MCP23016 Series

16-Bit I2C I/O Expander

Catalog

16-Bit I2C I/O Expander

Part	Current - Output Source/Sink	Package / Case [custom]	Package / Case	Package / Case [custom]	Number of I/O	Clock Frequency	Features	Operating Temperature [Max]	Operating Temperature [Min]	Interface	Voltage - Supply [Max]	Voltage - Supply [Min]	Output Type	Mounting Type	Supplier Device Package	Package / Case [x]	Package / Case [y]	Package / Case	Package / Case
Microchip Technology MCP23016T-I/SS	25 mA	0.209 in	28-SSOP	5.3 mm	16	400 kHz	POR	85 °C	-40 °C	I2C	5.5 V	2 V	Push-Pull	Surface Mount	28-SSOP
Microchip Technology MCP23016-I/SO	25 mA		28-SOIC		16	400 kHz	POR	85 °C	-40 °C	I2C	5.5 V	2 V	Push-Pull	Surface Mount	28-SOIC	0.295 in	7.5 mm
Microchip Technology MCP23016-I/SP	25 mA		28-DIP		16	400 kHz	POR	85 °C	-40 °C	I2C	5.5 V	2 V	Push-Pull	Through Hole	28-SPDIP			0.3 in	7.62 mm

Catalog

16-Bit I2C I/O Expander

Key Features

• * 16-bit I/O port expander with interrupt

• * 3 hardware address pins allow user to use up to 8 of these devices on the same I2C/SMBus

• * 25mA source/sink capability per I/O

• * I2C and SMBus compatible interface (0 to 400kHz clock frequency)

• * 16 programmable bi-directional I/Os compatible with most processors

• * Outputs can directly drive LEDs (Source and sink current 25mA)

• * Polarity inversion register to configure the polarity of the input port data

• * Internal power on reset (POR)

• * Open-drain interrupt output activated when input changes state

• * Low supply current

• * Specified over Industrial temperature range -40°C to +85°C

Description

The MCP23016 is not recommended for new designs. Please consider using the [MCP23017](https://www.microchip.com/en-us/product/MCP23017) or [MCP23018](https://www.microchip.com/en-us/product/MCP23018) instead. The MCP23016 device provides 16-bit, general purpose, parallel I/O expansion for I2C™Compatible bus applications. It includes high-current drive capability, low supply current and individual I/O configuration. I/O expanders provide a simple solution when additional I/Os are needed for ACPI, power switches, sensors, push buttons, LEDs and so on.