Features Standard 74LS191 DIP IC Synchronous Up/Down Mudulo-16 Binary Counter, Count is Updated with Low-to-High Clock Transition Synchronous Counting High
74195 4-bit parallel-access shift register enables efficient data shifting and storage with high-speed operation and easy integration in digital circuits.
7421 A compact dual-gate TTL IC that implements two independent 4-input AND functions—used for multi-signal gating, enable logic and simple combinational logic.
HD74LS22 Dual 4-input positive NAND gate IC with open collector outputs. Features Low-power Schottky technology in a DIP-14 package for digital logic systems.