Datasheet Texas Instruments SNJ54HC191J — 数据表




 

  

SCLS121D -DECEMBER 1982 -REVISED OCTOBER 2003 D
D
D
D
D
D
D
D
D
D Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 80-ВµA Max ICC
Typical tpd = 13 ns
В±4-mA Output Drive at 5 V
Low Input Current of 1 ВµA Max
Single Down/Up Count-Control Line
Look-Ahead Circuitry Enhances Speed of
Cascaded Counters
Fully Synchronous in Count Modes
Asynchronously Presettable With Load …