Datasheet4U.com

MCP23S18 - 16-Bit I/O Expander

Microchip Technology

Download the MCP23S18 datasheet PDF. This datasheet also includes the MCP23018 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

MCP23S18 16-bit i/o expander by Microchip Technology - Datasheet Preview — Note: The manufacturer provides a single datasheet file (MCP23018_MicrochipTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	MCP23S18
Manufacturer	Microchip Technology
File Size	813.31 KB
Description	16-Bit I/O Expander
Datasheet	MCP23S18 Datasheet

Overview

MCP23018/MCP23S18 16-Bit I/O Expander with Open-Drain Outputs.

Key Features

16-bit remote bidirectional I/O port: - I/O pins default to input.
Open-drain outputs: - 5.5V tolerant - 25 mA sink capable (per pin) - 400 mA total.
High-speed I2C™ interface: (MCP23018) - 100 kHz - 400 kHz - 3.4 MHz.
High-speed SPI interface: (MCP23S18) - 10 MHz: 2.7V ≤ VDD ≤ 5.5V.
Single hardware address pin: (MCP23018) - Voltage input to allow up to eight devices on the bus.
Configurable interrupt output pins: - Configurable as active-hi.

More Datasheets from Microchip Technology

Part Number	Description
MCP23S17	16-Bit I/O Expander
MCP23S08	8-Bit I/O Expander
MCP23S09	8-Bit I/O Expander
MCP23008	8-Bit I/O Expander
MCP23009	8-Bit I/O Expander
MCP23016	16-Bit I2C I/O Expander
MCP23017	16-Bit I/O Expander
MCP23018	16-Bit I/O Expander
MCP2003	LIN J2602 Transceiver
MCP2004	LIN J2602 Transceiver