Document
PI49FCT804T
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Fast CMOS Buffer/Clock Driver
Product Features
Low output skew: 0.8ns Clock busing with Hi-Z state control TTL input and output levels, reducing problematic
ground bounce High output drive, IOL = 64mA Extremely low static power (1mW, typ.) Hysteresis on all inputs Packages available:
16-pin 300 mil wide plastic SOIC (S) 16-pin 150 mil wide QSOP (Q)
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 PI49FCT804T is a non-inverting clock driver designed with two independent groups of buffers. These buffers have Hi-Z state Output Enable inputs (active LOW) with a 1-in, 4-out configuration per group. Each clock driver consists of two banks of drivers, driving four outputs each from a standard TTL compatible CMOS input.
Logic Block Diagram
Product Pin Configuration
OEA INA
INB OEB
4 OA3-OA0
4 OB3-OB0
OA0 OA1 OA2 GND OA3 GND OEA INA
1 2 3 4 5 6 7 8
16-Pin P, S
16 VCC 15 OB0 14 OB1 13 OB2 12 GND 11 OB3 10 OEB
9 INB
Product Pin Description
Pin Name
D e s cription
OEA, OEB Hi-Z State Output Enable Inputs (Active LOW)
INA, INB Clock Inputs OAN, OBN Clock Outputs
GND
Ground
VCC Power
Truth Table(1)
Inputs
OEA, OEB L
INA, INB L
LH
HL
HH
Note: 1. H = High Voltage Level
L = Low Voltage Level Z = High Impedance
Outputs OAN, OBN
L H Z Z
1 PS7005B 06/26/01
PI49FCT804T Buffer/Clock Driver1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ........................................................ 65°C to +150°C Ambient Temperature with Power Applied ........................... 0°C to+70°C Supply Voltage to Ground Potential (Inputs & Vcc Only) .. 0.5Vto+7.0V Supply Voltage to Ground Potential (Outputs & D/O Only) 0.5Vto+7.0V DC Input Voltage .................................................................0.5Vto+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 oper.