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D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 20 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max
SN54HC193 . . . J OR W PACKAGE SN74HC193 . . . D, N, NS, OR PW PACKAGE
(TOP VIEW)
B1 QB 2 QA 3 DOWN 4
UP 5
QC 6 QD 7 GND 8
16 VCC 15 A 14 CLR 13 BO 12 CO 11 LOAD 10 C 9D
SN54HC193, SN74HC193 4ĆBIT SYNCHRONOUS UP/DOWN COUNTERS
(DUAL CLOCK WITH CLEAR)
SCLS122D − DECEMBER 1982 − REVISED OCTOBER 2003
D Look-Ahead Circuitry Enhances Cascaded
Counters
D Fully Synchronous in Count Modes D Parallel Asynchronous Load for Modulo-N
Count Lengths
D Asynchronous Clear
SN54HC193 . . .
SN54HC193 Datasheet
