4-Bit Ripple Counter IC, 30MHz, -55 to 125°C, DIP
HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP BINARY COUNTER, PDIP14
Dual 3-Bit Binary Counter, 5V, 14-Pin PDIP, -55 to 125°C
4-Bit Counter, 30MHz, Negative Edge Trigger, 5.5V, PDIP