Part Number : 74LS190
Function : Synchronous 4-Bit Binary Counters
Manufacturer : Motorola => Freescale
Pinout :
Description
TheSN54/74LS190 is asynchronous UP/DOWN BCD Decade (8421) Counterand the SN54/74LS191is a synchronous UP/DOWN Modulo-16 BinaryCounter. State changes of the counters are synchronous with the LOW-to-HIGH transition of the Clock Pulse input.

Datasheet PDF Download
Other datasheets in the file :
54LS190J,54LS191J,74LS190,74LS190D,74LS190N
