Major Brands 74193 ICS and Semiconductors, Up Down Binary Counter with Clear, Synchronous, 4 Bit, 32 MHz (Pack of 2): Amazon.com: Industrial & Scientific
SN74LV8154-EP: Realizing 32 bit counter from 16 bit; wrong voltages. - Space & High Reliability Forum (Read Only) - Space & High Reliability (Read Only) - TI E2E support forums
LS7366R-S | US Digital
Need a 32 bit Serial Counter IC - CR4 Discussion Thread
Counter IC, 4/8/16/32 bit Counter IC Distributor -Rantle