1x M82C51A-2 UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER

D8251 - INTEL - Universal Synchronous/Asynchronous Receiver/Transmitter (USART)

Phillips SCC2691AC1N24: Universal Asynchronous Receiver/Transmitter (UART)

OKI MSM82C51A-2JS Universal Synchronous Asynchronous Transmitter Receiver x 1PC

New OKI M80C86A-10 8086 16-BIT Microprocessor PLCC44 x 1pc

2pc MC68681P Motorola Dual Asynchronous Receiver/Transmitter

1x CDP1854ACE Programmable Universal Asynchronous Receiver/Transmitter CDP1854A

OKI M82C51-2GS Universal Synchronous Asynchronous Transmitter Receiver x 10pcs