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INTEGRATED CIRCUITS
DATA SHEET
SAA3010 Infrared remote control transmitter RC-5
Product specification File under Integrated Circuits, IC01 June 1989
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
FEATURES * Low voltage requirement * Biphase transmission technique * Single pin oscillator * Test mode facility GENERAL DESCRIPTION The SAA3010 is intended as a general purpose (RC-5) infrared remote control system for use where a low voltage supply and a large debounce time are expected. QUICK REFERENCE DATA PARAMETER Supply voltage range Input voltage range (note 1) Input current Output voltage range (note 1) Output current Operating ambient temperature range Note 1. VDD+0.5 V must not exceed 9 V. WARNING The use of this device must conform with the Philips Standard number URT-0421. SYMBOL VDD VI II VO IO Tamb MIN. 2 -0.5 - -0.5 - -25 TYP. - - - - - - MAX. 7 VDD+0.5 10 VDD+0.5 10 85
SAA3010
The device can generate 2048 different commands and utilizes a keyboard with a single pole switch for each key. The commands are arranged so that 32 systems can be addressed, each system containing 64 different commands. The keyboard interconnection is illustrated by Fig.3. The circuit response to legal (one key pressed at a time) and illegal (more than one key pressed at a time) keyboard operation is specified in the section "Keyboard operation".
UNIT V V mA V mA C
PACKAGE OUTLINES 28-lead DIL plastic; (SOT117); SOT117-1; 1996 September 11. 28-lead mini-pack; plastic (SO28; SOT136A); SOT136-1; 1996 September 11.
June 1989
2
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
BLOCK DIAGRAM
SAA3010
handbook, full pagewidth
SAA3010
OSC 18 OSC 3 x 21
TP1 TP2
20 19 TEST MODE
MASTER RESET GENERATOR
SSM
2
MODE SELECTION CONTROL UNIT
DECODER
213 DIVIDER
Z3 Z2 Z1 Z0 X7 X6 X5 X4 X3 X2 X1 X0
6 5 4 3 1 27 26 25 24 23 22 21 KEYBOARD ENCODER
COMMAND AND SYSTEM ADDRESS LATCH
17 16 15 KEYBOARD DRIVER DECODER 13 12 11 10 9
DR0 DR1 DR2 DR3 DR4 DR5 DR6 DR7
OUTPUT
PARALLEL TO SERIAL CONVERTER
8 DATA
7 MDATA
14 VSS
28
MGE347
VDD
Fig.1 Block diagram.
June 1989
3
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
PINNING PIN 1 2 3-6 7 MNEMONIC (1) X7 (IPU) SSM (I) Z0-Z3 (IPU) MDATA (OP3) FUNCTION sense input from key matrix system mode selection input sense inputs from key matrix generated output data modulated with 1/12 the oscillator frequency at a 25% duty factor generated output information scan drivers ground (0 V) scan drivers oscillator input test point 2 test point 1 sense inputs from key matrix voltage supply
DR3 13 VSS 14
MGE346
SAA3010
handbook, halfpage
X7 SSM Z0 Z1 Z2 Z3 MDATA DATA DR7
1 2 3 4 5 6 7
28 VDD 27 X6 26 X5 25 X4 24 X3 23 X2 22 X1
8 9-13 14
DATA (OP3) DR7-DR3 (ODN) VSS
SAA3010
8 9 21 X0 20 TP1 19 TP2 18 OSC 17 DR0 16 DR1 15 DR2
15-17 DR2-DR0 (ODN) 18 19 20 28 Note OSC (I) TP2 (I) TP1 (I) VDD(I)
DR6 10 DR5 11 DR4 12
21-27 X0-X6 (IPU)
1. (I) = input (IPU) = input with p-channel pull-up transistor (ODN) = output with open drain n-channel transistor (OP3) = output 3-state
Fig.2 Pinning diagram.
June 1989
4
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SAA3010
handbook, full pagewidth
DR0 X0 X1 X2 X3 X4 X5 X6 X7 17 21 22 23 24 25 26 27 1 16
DR1 15
DR2 13
DR3 12
DR4 11
DR5 10
DR6 9
DR7
SAA3010
Z0 Z1 Z2 Z3
3 4 5 6 8 7 2 20 19 18
DATA
MDATA
SSM
TP1
TP2
OSC
MGE348
Fig.3 Keyboard interconnection.
June 1989
5
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
FUNCTIONAL DESCRIPTION Keyboard operation
SAA3010
Every connection of one X-input and one DR-output will be recognized as a legal key operation and will cause the device to generate the corresponding code. The same applies to every connection of one Z-input to one DR-output with the proviso that SSM must be LOW. When SSM is HIGH a wired connection must exist between a Z-input and a DR-output. If no connection is present the system number will not be generated. Activating two or more X-inputs, Z-inputs or Z-inputs and X-inputs at the same time is an illegal action and inhibits further activity (oscillator will not start). When one X- or Z-input is connected to more than one DR-output, the last scan signal will be considered as legal. The maximum value of the contact series resistance of the switched keyboard is 7 k. Inputs In the quiescent state the command inputs X0 to X7 are held HIGH by an internal pull-up transistor. When the system mode selection (SSM) input is LOW and the system is quiescent, the system inputs Z0 to Z3 are also held HIGH by an internal pull-up transistor. When SSM is HIGH the pull-up transistor for the Z-inputs is switched off, in order to prevent current flow, and a wired connection in the Z-DR matrix provides the system number. Outputs The output signal DATA transmits the generated information in accordance with the format illustrated by Fig.4 and Tables 1 and 2. The code is transmitted using a biphase technique as illustrated by Fig.5. The code consists of four parts: * Start part -1.5 bits (2 x logic 1) * Control part -1 bit * System part -5 bits * Command part -6 bits The output signal MDATA transmits the generated information modulated by 1/12 of the oscillator frequency with a 50% duty factor. In the quiescent state both DATA and MDATA are non-conducting (3-state outputs). The scan driver outputs DR0 to DR7 are open drain n-channel transistors and conduct when the circuit is quiescent. After a legal key operation the scanning cycle is started and the outputs switched to the conductive state one by one. The DR-outputs were switched off at the end of the preceding debounce cycle.
June 1989
6
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SAA3010
handbook, full pagewidth
ONE CODE MSB LSB MSB LSB
start
debounce time (16 bit-times)
scan time
start bits
control bit
system bits
command bits
TWO SUCCESSIVE CODES
1st. code start
2nd. code
MGE349
Where: debounce time + scan time = 18 bit-times repetition time = 4 x 16 bit-times
Fig.4 Data output format.
handbook, halfpage
logic 1
logic 0
MGE350
Where: 1 bit-time = 3.28 x TOSC = 1.778 ms (typ.)
Fig.5 Biphase transmission technique.
June 1989
7
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
Table 1 Command matrix (X-DR) DR-LINES 3 4 5 6 7 0
SAA3010
CODE X-LINES NO. 0 1 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
COMMAND BITS 3 4 5 6 7 5 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
* * * * * * * *
*
1
2
*
*
*
0
*
0
*
0
*
0
* * * * * * * *
*
*
0 0 0 0
*
*
*
0
*
0
*
0
*
0
* * * * * * * *
*
*
0 0 0 0
*
*
*
0
*
0
*
0
*
0
* * * * * * * *
*
*
0 0 0 0
*
*
*
0
*
0
*
0
*
0
*
0 0
June 1989
8
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SAA3010
CODE X-LINES NO. 0 1 2 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
DR-LINES 3 4
COMMAND BITS 3 4 5 6 7 5 1 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
* * * * * * * *
5
6
7
0
*
1
2
*
*
*
1
*
1
*
1
*
1
* * * * * * * *
*
*
1 1 1 1
*
*
*
1
*
1
*
1
*
1
* * * * * * * *
*
*
1 1 1 1
*
*
*
1
*
1
*
1
*
1
** * * * * * * * * * * * * * *
*
1 1 1 1 1 1 1 1 1 1
June 1989
9
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
Table 2 System matrix (Z-DR) DR-LINES 3 4 5 6 7
SAA3010
SYST. Z-LINES NO. 0 1 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
SYSTEM BITS 3 4 5 6 7 4 0 0 3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
* * * * * * * *
*
0
1
2
*
*
*
0
*
0
*
0
*
0
* * * * * * * *
*
*
0 0 0 0
*
*
*
0
*
0
*
0
*
0
* * * * * * * *
*
*
0 0 1 1
*
*
*
1
*
1
*
1
*
1
* * * * * * * *
*
*
1 1 1 1
*
*
*
1
*
1
*
1
*
1
*
1 1
June 1989
10
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
Combined system mode (SSM is LOW)
SAA3010
The X and Z sense inputs have p-channel pull-up transistors, so that they are HIGH, until pulled LOW by connecting them to an output as the result of a key operation. Legal operation of a key in the X-DR or Z-DR matrix will start the debounce cycle, once key contact has been established for 18 bit-times without interruption, the oscillator enable signal is latched and the key may be released. An interruption within the 18 bit-time period resets the device. At the end of the debounce cycle the DR-outputs are switched off and two scan cycles are started, that switch on the DR-lines one by one. When a Z- or X-input senses a low level, a latch enable signal is fed to the system (Z-input) or command (X-input) latches. After latching a system number the device will generate the last command (i.e. all command bits logic 1) in the chosen system for as long as the key is operated. Latching of a command number causes the chip to generate this command together with the system number memorized in the system latch. Releasing the key will reset the device if no data is to be transmitted at the time. Once transmission has started the code will complete to the end. Single system mode (SSM is HIGH) In the single system mode, the X-inputs will be HIGH as in the combined system mode. The Z-inputs will be disabled by having their pull-up transistors switched off; a wired connection in the Z-DR matrix provides the system code. Only legal key operation in the X-DR matrix will start the debounce cycle, once key contact has been established for 18 bit-times without interruption the oscillator enable signal is latched and the key may be released. An interruption within the 18 bit-time period resets the internal action. At the end of the debounce cycle the pull-up transistors in the X-lines are switched off and those in the Z-lines are switched on for the first scan cycle. The wired connection in the Z-matrix is then translated into a system number and memorized in the system latch. At the end of the first scan cycle the pull-up transistors in the Z-lines are switched off and the inputs are disabled again; the pull-up transistors in the X-lines are switched on. The second scan cycle produces the command number which, after being latched, is transmitted together with the system number. Key release detection An extra control bit is added which will be complemented after key release; this indicates to the decoder that the next code is a new command. This is important in the case where more digits need to be entered (channel numbers of Teletext or Viewdata pages). The control bit will only be complemented after the completion of at least one code transmission. The scan cycles are repeated before every code transmission, so that even with "take over" of key operation during code transmission the right system and command numbers are generated. Reset action The device will be reset immediately a key is released during: * debounce time * between two codes. When a key is released during matrix scanning, a reset will occur if: * a key is released while one of the driver outputs is in the low ohmic stage (logic 0) * a key is released before that key has been detected * there is no wired connection in the Z-DR matrix when SSM is HIGH.
June 1989
11
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
Oscillator
SAA3010
The OSC is the input/output for a 1-pin oscillator. The oscillator is formed by a ceramic resonator, TOKO CRK429, order code, 2422 540 98069 or equivalent. A resistor of 6.8 k must be placed in series with the resonator. The resistor and resonator are grounded at one side. Test Initialization of the circuit is performed when TP1, TP2 and OSC are HIGH. All internal nodes are defined except for the LATCH. The latch is defined when a scan cycle is started by pulling down an X- or Z-input while the oscillator is running. If the debounce cycle has been completed, the scan cycle can be completed 3 x 23 faster, by setting TP1 HIGH. If the scan cycle has been completed, the contents of the latch can be read 3 x 27 faster by setting TP2 HIGH.
June 1989
12
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
LIMITING VALUES Limiting values in accordance with the Absolute Maximum Rating System (IEC 134) PARAMETER Supply voltage range Input voltage range (note 1) Output voltage range (note 1) Input current Output current Maximum power dissipation OSC output other outputs Total power dissipation Operating ambient temperature range Storage temperature range Note 1. VDD+0.5 V must not exceed 9.0 V. HANDLING PO PO Ptot Tamb Tstg - - - -25 -55 50 100 200 +85 +150 SYMBOL VDD VI VO II IO MIN. -0.5 -0.5 -0.5 - - MAX. 8.5 VDD+0.5 VDD+0.5 10 10
SAA3010
UNIT V V V mA mA mW mW mW C C
Inputs and outputs are protected against electrostatic charge in normal handling, however, to be totally safe it is desirable to take normal precautions appropriate to handling MOS devices (see "Handling MOS Devices").
June 1989
13
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
DC CHARACTERISTICS Tamb = -25 C to +70 C; VDD = 2.0 to 7.0 V unless otherwise specified PARAMETER Supply voltage Quiescent supply current CONDITIONS SYMBOL VDD note 1 IDD Tamb = 25 C; IO = 0 mA at all outputs; X0 to X7 and Z0 to Z3 at VDD; TP1, TP2, OSC at VSS SSM at VSS or VDD MIN. 2.0 - TYP. - -
SAA3010
MAX. 7.0 10
UNIT V A
INPUTS Keyboard inputs X and Z with p-channel pull-up transistor Input current at each input Input voltage HIGH Input voltage LOW Input leakage current Input leakage current OSC Input leakage current Input current SSM, TP1, TP2 Input voltage HIGH Input voltage LOW Input leakage current Input leakage current Tamb = 25 C; VI = 7.0 V Tamb = 25 C; VI = 0 V VIH VIL ILI -ILI 0.7VDD 0 - - - - - - VDD 0.3VDD 1 1 V V A A Tamb = 25 C; VI = 0 V; TP1 = TP2 = HIGH Tamb = 25 C; VI = VDD -ILI IOSC - 4.5 - - 2 30 A A VI = 0 V; TP1 = TP2 = SSM = LOW note 2 note 2 Tamb = 25 C; VI = 7 V; TP1 = TP2 = HIGH Tamb = 25 C; VI = 0 V; TP1 = TP2 = HIGH -II VIH VIL ILI -ILI 10 0.7VDD 0 - - - - - - - 600 VDD 0.3VDD 1 1 A V V A A
June 1989
14
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SAA3010
PARAMETER OUTPUTS DATA, MDATA Output voltage HIGH Output voltage LOW Output leakage current
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
IOH = -0.4 mA IOL = 0.6 mA VO = 7.0 V VO = 7.0 V; Tamb = 25 C VO = 0 V VO = 0 V; Tamb = 25 C
VOH VOL +ILO +ILO -ILO -ILO VOL +ILO +ILO
VDD-0.3 - - - - - - - -
- - - - - - - - -
- 0.3 10 1 20 2
V V A A A A V A A
DR0 TO DR7 Output voltage low Output leakage current IOL = 0.3 mA VO = 7.0 V VO = 7.0 V; Tamb = 25 C Notes to the DC characteristics 1. Quiescent supply current measurement must be preceded by the initialization procedure described in the "Test" section. 2. This DC test condition protects the AC performance of the output. The DC current requirements in the actual applications are lower. 0.3 10 1
June 1989
15
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
AC CHARACTERISTICS Tamb = -25 to +85 C; VDD = 2.0 to 7.0 V unless otherwise stated. PARAMETER Oscillator frequency operational free-running CONDITIONS SYMBOL CL = 160 pF; Figs 6 and 7 fOSC fOSC - 10 - - 450 120 MIN. TYP. MAX.
SAA3010
UNIT
kHz kHz
MGE352
handbook, halfpage
VDD VDD 28 OSC X0 Z0 DR0 18 21 3 17 20 14 19 TP1 TP2 VSS VSS
MGE351
handbook, halfpage
2
SSM 2 8 DATA
normalized frequency (kHz)
SAA3010
1
160 pF
CL
0 0 80 160 240 320 400 CL (pF)
Fig.7 Fig.6 Test set-up for maximum fOSC measurement.
Typical normalized frequency as a function of keyboard load capacitance.
June 1989
16
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
PACKAGE OUTLINES
handbook, plastic dual in-line package; 28 leads (600 mil) DIP28: full pagewidth
SAA3010
SOT117-1
seating plane
D
ME
A2
A
L
A1 c Z e b1 b 28 15 MH wM (e 1)
pin 1 index E
1
14
0
5 scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 5.1 0.20 A1 min. 0.51 0.020 A2 max. 4.0 0.16 b 1.7 1.3 0.066 0.051 b1 0.53 0.38 0.020 0.014 c 0.32 0.23 0.013 0.009 D (1) 36.0 35.0 1.41 1.34 E (1) 14.1 13.7 0.56 0.54 e 2.54 0.10 e1 15.24 0.60 L 3.9 3.4 0.15 0.13 ME 15.80 15.24 0.62 0.60 MH 17.15 15.90 0.68 0.63 w 0.25 0.01 Z (1) max. 1.7 0.067
Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT117-1 REFERENCES IEC 051G05 JEDEC MO-015AH EIAJ EUROPEAN PROJECTION
ISSUE DATE 92-11-17 95-01-14
June 1989
17
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SAA3010
SO28: plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1
D
E
A X
c y HE vMA
Z 28 15
Q A2 A1 pin 1 index Lp L 1 e bp 14 wM detail X (A 3) A
0
5 scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 2.65 0.10 A1 0.30 0.10 A2 2.45 2.25 A3 0.25 0.01 bp 0.49 0.36 c 0.32 0.23 D (1) 18.1 17.7 0.71 0.69 E (1) 7.6 7.4 0.30 0.29 e 1.27 HE 10.65 10.00 L 1.4 Lp 1.1 0.4 Q 1.1 1.0 0.043 0.039 v 0.25 0.01 w 0.25 0.01 y 0.1 Z
(1)
0.9 0.4
0.012 0.096 0.004 0.089
0.019 0.013 0.014 0.009
0.419 0.043 0.050 0.055 0.394 0.016
0.035 0.004 0.016
8 0o
o
Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. OUTLINE VERSION SOT136-1 REFERENCES IEC 075E06 JEDEC MS-013AE EIAJ EUROPEAN PROJECTION
ISSUE DATE 95-01-24 97-05-22
June 1989
18
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our "IC Package Databook" (order code 9398 652 90011). DIP SOLDERING BY DIPPING OR BY WAVE The maximum permissible temperature of the solder is 260 C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds. The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. REPAIRING SOLDERED JOINTS Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 C, contact may be up to 5 seconds. SO REFLOW SOLDERING Reflow soldering techniques are suitable for all SO packages. Reflow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the printed-circuit board by screen printing, stencilling or pressure-syringe dispensing before package placement.
SAA3010
Several techniques exist for reflowing; for example, thermal conduction by heated belt. Dwell times vary between 50 and 300 seconds depending on heating method. Typical reflow temperatures range from 215 to 250 C. Preheating is necessary to dry the paste and evaporate the binding agent. Preheating duration: 45 minutes at 45 C. WAVE SOLDERING Wave soldering techniques can be used for all SO packages if the following conditions are observed: * A double-wave (a turbulent wave with high upward pressure followed by a smooth laminar wave) soldering technique should be used. * The longitudinal axis of the package footprint must be parallel to the solder flow. * The package footprint must incorporate solder thieves at the downstream end. During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Maximum permissible solder temperature is 260 C, and maximum duration of package immersion in solder is 10 seconds, if cooled to less than 150 C within 6 seconds. Typical dwell time is 4 seconds at 250 C. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications. REPAIRING SOLDERED JOINTS Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron (less than 24 V) applied to the flat part of the lead. Contact time must be limited to 10 seconds at up to 300 C. When using a dedicated tool, all other leads can be soldered in one operation within 2 to 5 seconds between 270 and 320 C.
June 1989
19
Philips Semiconductors
Product specification
Infrared remote control transmitter RC-5
DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values
SAA3010
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
June 1989
20

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