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6B595
ADVANCE INFORMATION
(Subject to change without notice) January 24, 2000
NO CONNECTION LOGIC SUPPLY SERIAL DATA IN OUT 0 OUT 1 OUT 2 OUT 3 REGISTER CLEAR OUTPUT ENABLE GROUND NO CONNECTION GROUND SERIAL DATA OUT OUT 7 OUT 6 OUT 5 OUT 4 CLOCK STROBE GROUND
8-BIT SERIAL-INPUT, DMOS POWER DRIVER
The A6B595KA and A6B595KLW combine an 8-bit CMOS shift register and accompanying data latches, control circuitry, and DMOS power driver outputs. Power driver applications include relays, solenoids, and other medium-current or high-voltage peripheral power loads. The serial-data input, CMOS shift register and latches allow direct interfacing with microprocessor-based systems. Serial-data input rates are over 5 MHz. Use with TTL may require appropriate pull-up resistors to ensure an input logic high. A CMOS serial-data output enables cascade connections in applications requiring additional drive lines. Similar devices with reduced rDS(on) are available as the A6595KA and A6595KLW. The A6B595 DMOS open-drain outputs are capable of sinking up to 500 mA. All of the output drivers are disabled (the DMOS sink drivers turned off) by the OUTPUT ENABLE input high. The A6B595KA is furnished in a 20-pin dual in-line plastic package. The A6B595KLW is furnished in a wide-body, small-outline plastic package (SOIC) with gull-wing leads. Copper lead frames, reduced supply current requirements, and low on-state resistance allow both devices to sink 150 mA from all outputs continuously, to ambient temperatures over 85C.
Data Sheet 26185.122
1 2 3 4
NC VDD
NC
20 19 18 17
REGISTER
REGISTER
LATCHES
LATCHES
5 6 7 8 9 10 CLR OE
16 15 14 CLK ST 13 12 11
Dwg. PP-029-12
Note that the A6B595KA (DIP) and the A6B595KLW (SOIC) are electrically identical and share a common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
at TA = 25C
Output Voltage, VO ............................... 50 V Output Drain Current, Continuous, IO .......................... 150 mA* Peak, IOM ................................... 500 mA Single-Pulse Avalanche Energy, EAS ................................................. 30 mJ Logic Supply Voltage, VDD .................. 7.0 V Input Voltage Range, VI ................................... -0.3 V to +7.0 V Package Power Dissipation, PD ........................................... See Graph Operating Temperature Range, TA ................................. -40C to +125C Storage Temperature Range, TS ................................. -55C to +150C
* Each output, all outputs on. Pulse duration 100 s, duty cycle 2%. Caution: These CMOS devices have input static protection (Class 3) but are still susceptible to damage if exposed to extremely high static electrical charges.
FEATURES
s 50 V Minimum Output Clamp Voltage s 150 mA Output Current (all outputs simultaneously) s 5 Typical rDS(on) s Low Power Consumption s Replacements for TPIC6B595N and TPIC6B595DW
Always order by complete part number: Part Number Package A6B595KA 20-pin DIP A6B595KLW 20-lead SOIC
RJA 55C/W 70C/W
RJC 25C/W 17C/W
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
2.5
9 12
LOGIC SYMBOL
G3 C2 R SRG8 C1 1D 2 4 5 6
A
2.0
SU FF IX
8 13
1.5
SU FF IX
'A ', R
J A=
3
'LW ', R
55 C /W
1.0
J
=7 0 C/ W
7 14
0.5
15 16
0 25 50 75 100 125 AMBIENT TEMPERATURE IN C 150
2
17 18
Dwg. GS-004A
Dwg. FP-043
FUNCTIONAL BLOCK DIAGRAM
REGISTER CLEAR
(ACTIVE LOW)
CLOCK SERIAL DATA IN STROBE OUTPUT ENABLE
(ACTIVE LOW)
V DD
LOGIC SUPPLY SERIAL DATA OUT
SERIAL-PARALLEL SHIFT REGISTER
D-TYPE LATCHES
GROUND
GROUND
OUT 0
OUT N
Dwg. FP-013-4
Grounds (terminals 10, 11, and 19) must be connected together externally.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright (c) 1999, Allegro MicroSystems, Inc.
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
V IN
DD
OUT
Dwg. EP-063
Dwg. EP-010-16
LOGIC INPUTS
DMOS POWER DRIVER OUTPUT
VDD
RECOMMENDED OPERATING CONDITIONS
over operating temperature range Logic Supply Voltage Range, VDD ............... 4.5 V to 5.5 V High-Level Input Voltage, VIH ............................ 0.85VDD Low-level input voltage, VIL ................................. 0.15VDD
OUT
Dwg. EP-063-1
SERIAL DATA OUT TRUTH TABLE
Shift Register Contents Data Clock Input Input H L X I0 H L I1 I2 ... ... ... ... ... ... I6 I7 Serial Data Output Strobe R6 R6 R7 X P7 -- R0 R1 R2 P0 P1 P2 X L = Low Logic Level H = High Logic Level X = Irrelevant X X ... ... ... R6 R7 P6 P7 X X L H P0 P1 P2 H H H ... ... P6 P7 H H Latch Contents I0 I1 I2 ... I6 I7 Output Enable I0 Output Contents I1 I2 ... I6 I7
R0 R1 R0 R1
R5 R6 R5 R6 R6 R7 X X
R0 R1 R2 X X X
P0 P1 P2
P6 P7
P = Present State
R = Previous State
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6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25C, VDD = 5 V, tir = tif 10 ns (unless otherwise specified).
Limits Characteristic Output Breakdown Voltage Off-State Output Current Static Drain-Source On-State Resistance Symbol V(BR)DSX IDSX Test Conditions IO = 1 mA VO = 40 V, VDD = 5.5 V VO = 40 V, VDD = 5.5 V, TA = 125C Min. 50 -- -- -- -- -- -- -- -- 4.4 4.0 -- -- -- -- -- -- -- -- -- Typ. -- 0.1 0.15 4.2 6.8 5.5 90 -- -- 4.49 4.2 0.005 0.3 150 90 200 200 20 150 0.4 Max. -- 5.0 8.0 5.7 9.5 8.0 -- 1.0 -1.0 -- -- 0.1 0.5 -- -- -- -- 100 300 5.0 Units V A A mA A A V V V V ns ns ns ns A A mA
rDS(on)
IO = 100 mA, VDD = 4.5 V IO = 100 mA, VDD = 4.5 V, TA = 125C IO = 350 mA, VDD = 4.5 V (see note)
Nominal Output Current Logic Input Current
ION IIH IIL
VDS(on) = 0.5 V, TA = 85C VI = VDD = 5.5 V VI = 0, VDD = 5.5 V IOH = -20 A, VDD = 4.5 V IOH = -4 mA, VDD = 4.5 V
SERIAL-DATA Output Voltage
VOH
VOL
IOL = 20 A, VDD = 4.5 V IOL = 4 mA, VDD = 4.5 V
Prop. Delay Time
tPLH tPHL
IO = 100 mA, CL = 30 pF IO = 100 mA, CL = 30 pF IO = 100 mA, CL = 30 pF IO = 100 mA, CL = 30 pF VDD = 5.5 V, Outputs OFF VDD = 5.5 V, Outputs ON fclk = 5 MHz, CL = 30 pF, Outputs OFF
Output Rise Time Output Fall Time Supply Current
tr tf IDD(OFF) IDD(ON) IDD(fclk)
Typical Data is at VDD = 5 V and is for design information only. NOTE -- Pulse test, duration 100 s, duty cycle 2%.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
TIMING REQUIREMENTS and SPECIFICATIONS
(Logic Levels are VDD and Ground)
C CLOCK A SERIAL DATA IN DATA tp SERIAL DATA OUT D STROBE
50% 50% 50%
B
50%
DATA E
OUTPUT ENABLE
LOW = ALL OUTPUTS ENABLED
tp OUT N
HIGH = OUTPUT OFF
50%
DATA
LOW = OUTPUT ON
Dwg. WP-029-2
HIGH = ALL OUTPUTS DISABLED OUTPUT ENABLE
50%
t PLH t PHL
90%
tf DATA
tr
OUT N
10%
Dwg. WP-030-2
A. Data Active Time Before Clock Pulse (Data Set-Up Time), tsu(D) .......................................... 20 ns B. Data Active Time After Clock Pulse (Data Hold Time), th(D) .............................................. 20 ns C. Clock Pulse Width, tw(CLK) ............................................. 40 ns D. Time Between Clock Activation and Strobe, tsu(ST) ....................................................... 50 ns E. Strobe Pulse Width, tw(ST) .............................................. 50 ns F. Output Enable Pulse Width, tw(OE) ................................ 4.5 s NOTE - Timing is representative of a 12.5 MHz clock. Higher speeds are attainable.
Serial data present at the input is transferred to the shift register on the rising edge of the CLOCK input pulse. On succeeding CLOCK pulses, the registers shift data information towards the SERIAL DATA OUTPUT. Information present at any register is transferred to the respective latch on the rising edge of the STROBE input pulse (serial-to-parallel conversion). When the OUTPUT ENABLE input is high, the output source drivers are disabled (OFF). The information stored in the latches is not affected by the OUTPUT ENABLE input. With the OUTPUT ENABLE input low, the outputs are controlled by the state of their respective latches.
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6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
TEST CIRCUITS
INPUT +15 V
10.5
tav IAS = 500 mA IO DUT
OUT
VO
V(BR)DSX
VO(ON)
Dwg. EP-066
EAS = IAS x V(BR)DSX x tAV/2 Single-Pulse Avalanche Energy Test Circuit and Waveforms
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
200 mH
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
TERMINAL DESCRIPTIONS
Terminal No. 1 2 3 4-7 8 9 10 11 12 13 14-17 18 19 20 Terminal Name NC LOGIC SUPPLY SERIAL DATA IN OUT0-3 CLEAR OUTPUT ENABLE GROUND GROUND STROBE CLOCK OUT4-7 SERIAL DATA OUT GROUND NC Function No internal connection. (VDD) The logic supply voltage (typically 5 V). Serial-data input to the shift-register. Current-sinking, open-drain DMOS output terminals. When (active) low, the registers are cleared (set low). When (active) low, the output drivers are enabled; when high, all output drivers are turned OFF (blanked). Reference terminal for output voltage measurements (OUT0-3). Reference terminal for output voltage measurements (OUT0-7). Data strobe input terminal; shift register data is latched on rising edge. Clock input terminal for data shift on rising edge. Current-sinking, open-drain DMOS output terminals. CMOS serial-data output to the following shift register. Reference terminal for input voltage measurements. No internal connection.
NOTE -- Grounds (terminals 10, 11, and 19) must be connected together externally.
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6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
A6B595KA
Dimensions in Inches (controlling dimensions)
0.014 0.008
20
11
0.430 0.280 0.240
MAX
0.300
BSC
1
0.070 0.045
0.100 1.060 0.980
BSC
10
0.005
MIN
0.210
MAX
0.015
MIN
0.150 0.115 0.022 0.014
Dwg. MA-001-20 in
Dimensions in Millimeters (for reference only)
0.355 0.204
20
11
10.92 7.11 6.10
MAX
7.62
BSC
1
1.77 1.15
2.54 26.92 24.89
BSC
10
0.13
MIN
5.33
MAX
0.39
MIN
3.81 2.93 0.558 0.356
Dwg. MA-001-20 mm
NOTES:1. Exact body and lead configuration at vendor's option within limits shown. 2. Lead spacing tolerance is non-cumulative 3. Lead thickness is measured at seating plane or below.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
A6B595KLW
Dimensions in Inches (for reference only)
20 11 0.0125 0.0091
0.2992 0.2914
0.419 0.394
0.050 0.016 0.020 0.013
1
2
3 0.5118 0.4961
0.050
BSC
0 TO 8
0.0926 0.1043 0.0040 MIN.
Dwg. MA-008-20 in
Dimensions in Millimeters (controlling dimensions)
20 11 0.32 0.23
7.60 7.40
10.65 10.00
1.27 0.40 0.51 0.33
1
2
3 13.00 12.60
1.27
BSC
0 TO 8
2.65 2.35 0.10 MIN.
Dwg. MA-008-20 mm
NOTES:1. Exact body and lead configuration at vendor's option within limits shown. 2. Lead spacing tolerance is non-cumulative.
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6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
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115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
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www.allegromicro.com
6B595 8-BIT SERIAL-INPUT, DMOS POWER DRIVER
The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro products are not authorized for use as critical components in life-support devices or systems without express written approval. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000

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