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CDP1851C - CMOS Programmable I/O Interface

Download the CDP1851C datasheet PDF. This datasheet also covers the CDP1851 variant, as both devices belong to the same cmos programmable i/o interface family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • 20 Programmable 110 Lines.
  • Programmable for Operation in Four Modes: Input Output Bidirectional Bit-programmable.
  • Operates in Either I/O or Memory Space The RCA CDP1851 and CDP1851C are CMOS programmable two-port I/Os designed for use as general-purpose 1/0 devices. They are directly compatible with CDP1800 series microprocessors functioning at maximum clock frequency. Each port can be programmed in either byte-I/O or bit-programmable modes for interfacing with peri.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CDP1851-GE.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CDP1851C
Manufacturer GE
File Size 656.04 KB
Description CMOS Programmable I/O Interface
Datasheet download datasheet CDP1851C Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
CDP1851C CMOS Programmable I/O Interface Intersil Corporation
CDP1851 CMOS Programmable I/O Interface Intersil Corporation
CDP1852 Byte-Wide Input/Output Port Intersil Corporation
CDP1852C Byte-Wide Input/Output Port Intersil Corporation
CDP1853 N-Bit 1 of 8 Decoder Intersil Corporation

Other Datasheets by GE

Part Number Description
CDP1851 CMOS Programmable I/O Interface
CDP1852 Byte-Wide Input/Output Port
CDP1852C Byte-Wide Input/Output Port
CDP1853 N-Bit 1 of 8 Decoder
CDP1853C N-Bit 1 of 8 Decoder

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ CMOS Perlph~rals TERMINAL ASSIGNMENT CL.OCI( cs RAD RAI BUSO BUSI BUS2 BUS3 BUS4 BUS5 .,.0e STROBE VDD RD/WE ".WR/liE A ROY A STROBE AD AI .A2 A3 A4 All ...A6 .7A7 •.•,, V55 .2 TOP VIEW 9~CS~31926 4G-LEAO OIL PACKAGES CDP1851, CDP1851C CMOS Programmable 1/0 Interface Features: • 20 Programmable 110 Lines • Programmable for Operation in Four Modes: Input Output Bidirectional Bit-programmable • Operates in Either I/O or Memory Space The RCA CDP1851 and CDP1851C are CMOS programmable two-port I/Os designed for use as general-purpose 1/0 devices. They are directly compatible with CDP1800 series microprocessors functioning at maximum clock frequency.