SCN8051HCCN40/M DIP-40 SIGNETICS IC (used) Id:16728P29T7

1pcs IC microcontroller 8051 AT80C51RD2-SLSUM

2 x SCN2652AC2N40, SCN2652A DIP40 Multi-protocol communications controller

SCN8032HCCN40 - Signetics Single Chip 8-Bit Microcomputer DIP-40

3x NE5554N, ORIGINAL SIGNETICS IC

IC INTEL LD80C31BH MCU 8-Bit MCS51 8051 CISC ROMLess 5V DIP-40 LF T157

SCN2661AC1N28 [2pcs] IC Signetics DIP-28 (NEW=unused=no pulls=no refurbs)

1pc x NE4558N Signetics IC