CDP1852CE - RCA - Parallel, input/output port

CDP1824CE - RCA - STANDARD SRAM;

RCA IC-CDP1854ACE- 40-Pin- Programmable (UART) - NOS.

CDP1854ACE - HARRIS - SERIAL IO/COMMUNICATION CONTROLLER

.... Integrated Circuit - P8243 by Intel, 8-bit IO expander

10pcs RCA cdp1867ce - CMOS 4-Bit Latch and Decoder Memory Interface IC.

RARE - RCA CDP1852D, RCA, Purple Ceramic, CDIP24 Ag Pins, CDP1802 Family COSMAC

TR1865PL-00 - WDC - SERIAL IO/COMMUNICATION CONTROLLER