74LS190 Datasheet - Motorola

74LS190, PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Count.
The LS190 is a synchronous Up / Down BCD Decade Counter and the LS191 is a synchronous Up / Down 4-Bit Binary Counter.

Features

* e Min 25 35 20 5.0 40 Typ Max Unit ns ns ns ns ns VCC = 5.0 V Test Conditions DEFINITIONS OF TERMS SETUP TIME (ts) is de

Applications

* SN54/74LS190 SN54/74LS191 PRESETTABLE BCD/ DECADE UP/ DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/ DOWN COUNTERS LOW POWER SCHOTTKY J SUFFIX CERAMIC CASE 620-09 16 1
* Low Power . . . 90 mW Typical Dissipation High Spe

74LS190_MotorolaInc.pdf