DM74LS193 Synchronous 4-Bit Binary Counter with Du.
Fairchild Semiconductor
DM74LS193 - Synchronous 4-Bit Binary Counter
DM74LS193 Synchronous 4-Bit Binary Counter with Dual Clock September 1986 Revised March 2000 DM74LS193 Synchronous 4-Bit Binary Counter with Dual Cl.