Fast CMOS Clock Driver Guaranteed skew: 0.25ns input capacitance
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PI49FCT807T PI49FCT2807T
Fast CMOS Clock Driver
Guaranteed skew: 0.25ns input capacitance Minimum duty cycle distortion 1:10 fanout High speed: 3.5ns propagation delay input CMOS output compatible 3.3V (typ.) 0.3V (typ.) Packages available: 20-pin wide SOIC 20-pin wide QSOP 20-pin SSOP Industrial Operation
Product Description
Pericom Semiconductors PI49FCT series logic circuits produced using Companys advanced micron CMOS technology, achieving industry leading speed grades. PI49FCT807T PI49FCT2807T clock drivers feature input outputs. large fanout from single input line reduces loading input clock. level outputs reduce noise levels part. Typical applications clock signal distribution. PI49FCT2807T also features 25-ohm on-chip resistor lower noise.
Product Configuration
Logic Block Diagram
20-Pin
Product Description
Name Input Outputs Ground Power cription
PS7008C
06/26/01
PI49FCT807/2807T Fast CMOS Clock Driver
Maximum Ratings
(Above which useful life impaired. user guidelines, tested.) Storage Temperature 65°C +150°C Ambient Temperature with Power Applied -40°C +85°C Supply Voltage Ground Potential (Inputs Only) 0.5V +7.0V Supply Voltage Ground Potential (Outputs Only) 0.5V +7.0V Input Voltage 0.5V +7.0V Output Current 120mA Power Dissipation 0.5W Note: Stresses greater than those listed under MAXIMUM RATINGS cause permanent damage device. This stress rating only functional operation device these other conditions above those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect reliability.
Electrical Characteristics (Over Operating Range, 40°C +85°C, 5.0V
Parameters Description IOFF Output HIGH Voltage Output Current Input HIGH Voltage Input Voltage Input HIGH Current Input Current Input HIGH Current Clamp Diode Voltage Short Circuit Current Power Down Disable Input Hysteresis Test Conditions(1) Min., Min., Guaranteed Logic HIGH Level Guaranteed Logic Level Max. Max. Max., =VCC (Max.) Min., 18mA Max.(3), VOUT VCC= GND, VOUT 4.5V 2.7V 0.5V 15.0mA 48.0mA 12mA(25) Min. Typ.(2) Max. Units
Capacitance 25°C, MHz)
Parameters(4) COUT Description Input Capacitance Output Capacitance Test Conditions VOUT Typ. Max. Units
Notes: Max. Min. conditions, appropriate value specified under Electrical Characteristics applicable device type. Typical values 5.0V, +25°C ambient maximum loading. more than output should shorted time. Duration test should exceed second. This parameter determined device characterization production tested.
PS7008C
06/26/01
PI49FCT807/2807T Fast CMOS Clock Driver
Power Supply Characteristics
Parameters Description
Test Conditions(1) Max. Max., Max., Outputs Open Duty Cycle, Input Toggling Max., Outputs Open MHZ, Duty Cycle 3.4V(3) 3.4V
Min.
Typ.(2)
Max.
Units
Quiescent Power Supply Current Supply Current Input HIGH Supply Current Input MHz(4) Total Power Supply Current(6)
ICCD
20.7
30(5) 33(5)
Notes: Max. Min. conditions, appropriate value specified under Electrical Characteristics applicable device. Typical values 5.0V, +25°C ambient. driven input (VIN 3.4V); other inputs GND. This parameter directly testable, derived Total Power Supply Calculations. Values these conditions examples formula. These limits guaranteed tested. =IQUIESCENT IINPUTS IDYNAMIC DHNT ICCD (fCP/2 fINI) Quiescent Current Power Supply Current High Input (VIN 3.4V) Duty Cycle Inputs High Number Inputs ICCD Dynamic Current Caused Input Transition Pair (HLH LHL) Clock Frequency Register Devices (Zero Non-Register Devices) Input Frequency Number Inputs currents milliamps frequencies megahertz.
Switching Characteristics over Operating Range
807/2807T Com. 807AT Com. Min. Max. 807BT Com. Min. Max. 807CT Com. Min. Max. Units
Parameters tPLH tPHL SK(o) SK(p)
Description Propagation Delay Skew between outputs same package(3) Skew between opposite transitions same output (|tPHL tPLH|)(3) Skew between outputs different package same power supply, temperature speed grade(3)
Conditions 50pF
Min.
Max.
0.35 0.35
0.25 0.35
SK(t)
0.75
0.75
Notes: test circuit wave forms. Minimum limits guaranteed tested Propagation Delays. This parameter guaranteed tested.
PS7008C 06/26/01
PI49FCT807/2807T Fast CMOS Clock Driver
Tests Circuits Outputs(1)
7.0V
Switch Position
Test Open Drain Disable Enable Other Inputs Switch Closed Open
Pulse Generator D.U.T. 50pF VOUT
Definitions: Load capacitance: includes probe capacitance. Termination resistance: should equal ZOUT Pulse Generator.
Switching Waveforms
Propagation Delay
Input tPLH Output tPHL
2.0V 0.5V
Pulse Skew tSK(p)
Input tPLH Output tPHL 1.5V tSK(p) tPHL tPLH 1.5V
1.5V 1.5V
Output Skew tSK(o)
Input tPLHx tSK(o) tPLHy tPHLy tSK(o) 1.5V
Package Output tPLH2 tPHL2
Package Skew tSK(t)
Input tPLH1 Package Output tSK(t) tSK(t) 1.5V tPHL1 1.5V 1.5V
1.5V tPHLx 1.5V
tSK(o) tPLHy tPLHx tPHLy tPHLx
tSK(t) tPLH2 tPLH1 tPHL2 tPHL1
PS7008C
06/26/01
PI49FCT807/2807T Fast CMOS Clock Driver
20-Pin 209-Mil SSOP
.197 .220
5.00 5.60
.272 .295 6.90 7.50 .078 2.00 SEATING PLANE .002 0.050
.004 .009
0.09 0.25
0.55 .022 0.95 .037 .291 .322 7.40 8.20
.0256 0.65
.0098 Max. 0.25
X.XX DENOTES DIMENSIONS X.XX MILLIMETERS
20-Pin 150-Mil QSOP
.008 0.20 MIN.
.150 .157
3.81 3.99
Guage Plane
.008 .013 0.20 0.33
.010 0.254
.337 8.56 .344 8.74
Detail
.016 .035 0.41 0.89
.041 1.04
0°-6°
.058 1.47
.053 1.35 .069 1.75 SEATING PLANE
.015 0.38
Detail
.007 .010 .016 .050 0.41 1.27
0.178 0.254
.025 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 MILLIMETERS
PS7008C
06/26/01
PI49FCT807/2807T Fast CMOS Clock Driver
20-Pin 300-Mil SOIC
.2914 .2992
7.40 7.60 .010 .029 0.254 0.737
.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 .030 0.762
.050 1.27
.013 .020 0.33 0.51
.0040 .0118
0.10 0.30 X.XX DENOTES CONTROLLING X.XX DIMENSIONS MILLIMETERS
Ordering Information
Part Numbe PI49FCT807xTp PI49FCT2807Tp arking Code PI49FCT807Tpx PI49FCT2807Tp
Note: Speed Grades: blank, Package Type: 209-mil SSOP 150-mil QSOP 300-mil SOIC Example: PI49FCT807ATH grade, marked PI49FCT807THA
Pericom Semiconductor Corporation 2380 Bering Drive Jose, 95131 1-800-435-2336 (408) 435-1100 http://www.pericom.com
PS7008C 06/26/01
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