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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 1 2109876543212109876543210987654321098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI49FCT807T PI49FCT2807T
Fast CMOS Clock Driver
Product Features
* * * * * * Guaranteed low skew: 0.25ns Low input capacitance Minimum duty cycle distortion 1:10 fanout High speed: 3.5ns propagation delay TTL input and CMOS output compatible VOH = 3.3V (typ.) VOL = 0.3V (typ.) * Packages available: 20-pin 300 mil wide SOIC (S) 20-pin 150 mil wide QSOP (Q) 20-pin 209 mil wde SSOP (H) * Industrial Operation at -40C to +85C
Product Description
Pericom Semiconductors PI49FCT series of logic circuits are produced using the Companys advanced 0.8 micron CMOS technology, achieving industry leading speed grades. The PI49FCT807T and PI49FCT2807T clock drivers feature one input and ten outputs. The large fanout from a single input line reduces loading on input clock. TTL level outputs reduce noise levels on the part. Typical applications are clock and signal distribution. The PI49FCT2807T also features a 25-ohm on-chip resistor for lower noise.
Product Pin Configuration
A GND B0 VCC B1 GND B2 VCC B3 GND
Logic Block Diagram
VCC B9 B8 GND B7 VCC B6 GND B5 B4
A B5 B6 B4 B3 B1 B2 B0
1 20 2 19 3 18 4 20-Pin 17 5 H, Q, R16 6 15 7 14 8 13 9 12 10 11
Product Pin Description
Pin Name A B0 B9 GND VCC Input Outputs Ground Power De s cription
B7 B8 B9
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PI49FCT807/2807T Fast CMOS Clock Driver
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature ........................................................... 65C to +150C Ambient Temperature with Power Applied ............................ -40C to +85C Supply Voltage to Ground Potential (Inputs & Vcc Only) ..... 0.5V to +7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) .. 0.5V to +7.0V DC Input Voltage .................................................................. 0.5V to +7.0V DC Output Current ............................................................................. 120mA Power Dissipation .................................................................................. 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = 40C to +85C, VCC = 5.0V 5%)
Parameters Description VOH VOL VIH VIL IIH IIL II VIK IOS IOFF VH Output HIGH Voltage Output LOW Current Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input HIGH Current Clamp Diode Voltage Short Circuit Current Power Down Disable Input Hysteresis Test Conditions(1) VCC = Min., VIN = VIH or VIL VCC = Min., VIN = VIH or VIL Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VCC = Max. VCC = Max., VIN =VCC (Max.) VCC = Min., IIN = 18mA VCC = Max.(3), VOUT = GND VCC= GND, VOUT = 4.5V 60 0.7 120 150 VIN = 2.7V VIN = 0.5V IOH = 15.0mA IOH = 48.0mA IOL = 12mA(25) 2.0 0.8 1 1 20 1.2 225 100 Min. 2.4 Typ.(2) 3.3 0.2 0.2 Max. 0.5 0.5 Units V V V V V A A A V mA A m V
Capacitance (TA = 25C, f = 1 MHz)
Parameters(4) CIN COUT Description Input Capacitance Output Capacitance Test Conditions VIN = 0V VOUT = 0V Typ. 6.0 8 Max. 10 12 Units pF pF
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 5.0V, +25C ambient and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second. 4. This parameter is determined by device characterization but is not production tested.
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PI49FCT807/2807T Fast CMOS Clock Driver
Power Supply Characteristics
Parameters Description ICC
ICC
Test Conditions(1) VCC = Max. VCC = Max., VCC = Max., Outputs Open 50% Duty Cycle, One Input Toggling VCC = Max., Outputs Open fCP = 50 MHZ, 50% Duty Cycle VIN = GND or Vcc VIN = 3.4V(3) VIN = VCC VIN = GND VIN = VCC VIN = GND VIN = 3.4V VIN = GND
Min.
Typ.(2) 3 0.5 0.4
Max. 30 1.5 0.6
Units A mA mA/ MHz mA
Quiescent Power Supply Current Supply Current per Input @ TTL HIGH Supply Current per Input per MHz(4) Total Power Supply Current(6)
ICCD
IC
20 20.7
30(5) 33(5)
Notes: 1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device. 2. Typical values are at Vcc = 5.0V, +25C ambient. 3. Per TTL driven input (VIN = 3.4V); all other inputs at Vcc or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested. 6. IC =IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCP/2 + fINI) ICC = Quiescent Current ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fI = Input Frequency NI = Number of Inputs at fI All currents are in milliamps and all frequencies are in megahertz.
Switching Characteristics over Operating Range
807/2807T Com. 807AT Com. Min. Max. 807BT Com. Min. Max. 807CT Com. Min. Max. Units
Parameters tP L H tP H L tSK(o) tSK(p)
Description Propagation Delay A TO BN Skew between two outputs of same package(3) Skew between opposite transitions of same output (|tPHL tPLH|)(3) Skew between outputs of different package at same power supply, temperature and speed grade(3)
Conditions CL = 50pF RL = 500
(1)
Min.
Max.
1.5
4.5 0.5 0.5
1.5
4.0 0.5 0.5
1.5
3.8 0.35 0.35
1.5
3.5 0.25 0.35
ns ns ns
tSK(t)
1.0
1.0
0.75
0.75
ns
Notes: 1. See test circuit and wave forms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not tested.
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PI49FCT807/2807T Fast CMOS Clock Driver
Tests Circuits For All Outputs(1)
VCC 7.0V
Switch Position
Test Open Drain Disable LOW Enable LOW All Other Inputs Switch Closed Open
500 VIN Pulse Generator RT D.U.T. 50pF CL 500 VOUT
Definitions: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
Switching Waveforms
Propagation Delay
3V Input tPLH Output tR tPHL
2.0V 0.5V
Pulse Skew tSK(p)
3V Input tPLH Output tPHL VOH 1.5V VOL tSK(p) = tPHL * tPLH 1.5V 0V
1.5V 0V VOH 1.5V VOL
tF
Output Skew tSK(o)
3V Input tPLHx Ox tSK(o) Oy tPLHy tPHLy tSK(o) VOH 1.5V VOL
Package 2 Output tPLH2 tPHL2
Package Skew tSK(t)
3V Input tPLH1 Package 1 Output tSK(t) tSK(t) VOH 1.5V VOL tPHL1 VOH 1.5V VOL 1.5V 0V
1.5V 0V tPHLx VOH 1.5V VOL
tSK(o) = tPLHy * tPLHx or tPHLy * tPHLx
tSK(t) = tPLH2 * tPLH1 or tPHL2 * tPHL1
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PS7008C
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PI49FCT807/2807T Fast CMOS Clock Driver
20-Pin 209-Mil SSOP (H)
20
.197 .220
5.00 5.60
1 .272 .295 6.90 7.50 .078 2.00 Max SEATING PLANE .002 Min 0.050
.004 .009
0.09 0.25
0.55 .022 0.95 .037 .291 .322 7.40 8.20
.0256 BSC 0.65
.0098 Max. 0.25
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
20-Pin 150-Mil QSOP (Q)
20
.008 0.20 MIN.
.150 .157
3.81 3.99
Guage Plane
.008 .013 0.20 0.33
.010 0.254
1 .337 8.56 .344 8.74
Detail A
.016 .035 0.41 0.89
.041 1.04 REF
0-6
.058 REF 1.47
.053 1.35 .069 1.75 SEATING PLANE
.015 x 45 0.38
Detail A
.007 .010 .016 .050 0.41 1.27
0.178 0.254
.025 BSC 0.635
.004 0.101 .010 0.254 .008 0.203 .012 0.305
.228 .244 5.79 6.19
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
5
PS7008C
06/26/01
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PI49FCT807/2807T Fast CMOS Clock Driver
20-Pin 300-Mil SOIC (S)
20
.2914 .2992
7.40 7.60 .010 .029 0.254 x 45 0.737
1 .496 12.60 .511 12.99 .0091 .0125 0.41 .016 1.27 .050 .0926 .1043 2.35 2.65 SEATING PLANE .394 .419 10.00 10.65 0.23 0.32
0-8
.020 0.508 REF .030 0.762
.050 BSC 1.27
.013 .020 0.33 0.51
.0040 .0118
0.10 0.30 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
Ordering Information
Part Numbe r PI49FCT807xTp PI49FCT2807Tp M arking Code PI49FCT807Tpx PI49FCT2807Tp
Note: x = Speed Grades: blank, A, B, C. p = Package Type: H = 209-mil SSOP Q = 150-mil QSOP S = 300-mil SOIC Example: PI49FCT807ATH = A grade, H pkg marked as PI49FCT807THA
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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PS7008C 06/26/01

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