P87C51RD+4A,512

MCU 8Bit 8XC51 80C51 CISC 64KB EPROM 3.3V/5V 44Pin PLCC Tube

8051 series IC 8 位 16MHz 64KB（64K x 8） OTP 44-PLCC（16.59x16.59）

得捷:
IC MCU 8BIT 64KB OTP 44PLCC

艾睿:
MCU 8-bit 8XC51 80C51 CISC 64KB EPROM 3.3V/5V 44-Pin PLCC Tube

Verical:
MCU 8-bit 8XC51 80C51 CISC 64KB EPROM 3.3V/5V 44-Pin PLCC Tube

Newark:
# NXP  P87C51RD+4A,512  8 Bit Microcontroller, 87C51, 16 MHz, 64 KB, 512 Byte, 44 Pins, LCC

DeviceMart:
IC 80C51 MCU 1024 ROMLESS SOT187