74LS Series
- Texas Instruments SN74LS163AN, This is the Texas Instruments SN74LS163AN synchronous 4-bit counter IC from the 74LS family. This is part of a range of low power Schottky devices offering the same speed as standard TTL but at a fifth of the power consumption. Texas Instruments SN74LS163AN Synchronous 4-bit Counters DIP16