10x Matsushita 74LS283 LS Series, 4-BIT Adder/Subtractor, True Output, PDIP16

10 x GENUINE SN74191N 74191 T.I Synchronus 4-bit up/down binary counters NEW IC

4 X 74LS191N SIGNETICS 4Bit UP/DOWN BINARY COUNTER 16-PIN DIP SIGNETICS NEW IC

2 x Genuine MH74ALS193 74ALS193 4-Bit Up Down Clock And Clear Binary Counter IC

10 x 74LS280 Matsushita ODD EVEN Parity Generator/Checker SN74LS280N IC

5 x 74LS193N 74LS193 Synchronous 4-Bit Binary Counter with Dual Clock IC

SN54ALS169BJ TI Counter Single 4-Bit Sync Binary UP/Down 16-Pin CDIP 2 PIECES

5x CM14029P MC14029BCP 4029 4-Bit Bidirectional UP/DOWN Binary Decade Counter IC