Synchronous Up/Down Counters With Down/Up Mode Control 16-CFP -55 to 125
Military 4-ch, 2-input, 4.5-V to 5.5-V bipolar NAND gates with Schmitt-Trigger inputs 14-CDIP -55 to 125
Synchronous Up/Down Counters With Output Registers And Multiplexed 3-State Outpu 20-CDIP -55 to 125