Signetics N74157B Date Code Correct Apple 1 part - Rare! - NOS

7407N SIGNETICS VINTAGE 1979 14-PIN DIP SN7407N 7407P RARE LAST ONES QTY-1

SIGNETICS SCN2661AC1N28E 1 CHANNEL 1M bps SERIAL COMM CONTROLLER PDIP28

7414N IC HEX INVERTER SCHMITT 6 CH 1 INP 14 PIN DIP SIGNETICS (LOT OF 4)

1X NE570N Signetics Dual Audio Compandor AGC Compressor Expander PDIP-16

(1 PC) SCN2661BC1A28 PHILIPS Serial I/O Controller, MOS, PLCC28

Philips Signetics DRAM Controller 1M X 1 Bipolar PDIP48 IC 74F1765N US Ship NOS

(1PC) SCN2661AC1N28 Serial I/O Controller, 1 Channel(s), 0.125MBps, NMOS, PDIP28