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MB88311 - CMOS Input / Output Expander

Download the MB88311 datasheet PDF. This datasheet also covers the MB88310 variant, as both devices belong to the same cmos input / output expander family and are provided as variant models within a single manufacturer datasheet.

General Description

The MB 88310/88311 have two interfaces: One is the processor interface; CS, LDI, and DI3-DIO, which are used for the processor to communicate with the MB 88310/88311 devices.

Another is the expansion I/O ports; Ports A, B, C, and D, which serve as an expansion of the processor's I/O.

Key Features

  • CMOS Version of Fujitsu MB 88304/88305.
  • Four 4-bit I/O ports (16 lines).
  • Four Functions: Parallel input, parallel output, AND output, and OR output.
  • AND and OR functions provide individual output capability.
  • Single.
  • bit input/output: Input and output can be intermixed on each port.
  • High output drive.
  • Built.
  • in power.
  • on reset circuit.
  • CS pin for simplified input/output expansion.
  • Two output circuit.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MB88310-Fujitsu.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Fujitsu Semiconductor Limited

Part Number Description
MB88310 CMOS Input / Output Expander
MB88313 CMOS Television Display Controller
MB88301A NMOS 1 Channel / 13 Bit and 3 Channel / 6 Bit D/A Converter
MB88303 NMOS Television Display Controller
MB88304 NMOS Input / Output Expander

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
11111111111111111111111111111111111111111111111111111111111111111 FUJITSU 111111111111111111111111111111111111111111111111 CMOS INPUT/OUTPUT EXPANDER MB 88310 MB 88311 April 1986 Edition 1.0 CMOS INPUT/OUTPUT EXPANDER The Fujitsu MB 88310/MB 88311 are peripheral integrated circuits that can be connected to a 4-bit or 8-bit single·chip microcomputer (MCU) to provide ad· ditional I/O ports. Besides furnishing simple I/O port expansion, the MB 88310 and MB 88311 can AND or OR port data with data from the MCU, on instruc· tion from the MCU. The MB 8831 O/MB 88311 are pseudo·bidirectional ports. They are accessed in 4-bit units, but each individual bit can be used for either input or output, and input and output can be intermixed.