D8749HD, NEC 8-Bit Single Chip HMOS Microcomputer, 40 Pin, Ceramic.

D8041C NEC 8 Bit Micro-Controller 40 PIN DIP - VINTAGE

(1 PC) UPD80C42C139 NEC IC,MICROCONTROLLER,8-BIT,8048 CPU,CMOS,DIP,40PIN,PLASTIC

Intel D8749H - 8515MX008 HMOS Microcontroller- 40 pin dip.

(1) NEC 40 pin integrated circuit D8749HD vintage CPU -Unused

UPD8749HD / D8749HD

Microprocessor - Microcontroller - MPU - CPU - PIC

(1 PC) DS89C420-MNG DALLAS IC MICROCONTROLLER 8-BIT 8051 CPU CMOS DIP 40PIN