74LS168
National Semiconductor
54LS168 Synchronous Bi-Directional BCD Decade Counter54LS168 Synchronous Bi-Directional BCD Decade Counter
June 1989
54LS168 Synchronous Bi-Directional BCD Decade Counter
General Description
The 54LS168 is a fully synchronous 4-state up down counter featuring a preset capability for programmable operation carr
74LS168
ON Semiconductor
BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERSBCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
The SN54 / 74LS168 and SN54 / 74LS169 are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation, carry lookahead for easy cascading and a U / D input
74LS168
Motorola Semiconductors
BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERSBCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
The SN54 / 74LS168 and SN54 / 74LS169 are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation, carry lookahead for easy cascading and a U/ D input t