Microchip Technology Inc
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MCP23009

Status: In Production

Features:

  • I/O pins default to input
  • 5.5V tolerant
  • 25 mA sink
  • 200 mA total
  • Low standby current as low as 1 µA
  • High-speed I2C™ interface: 100 kHz, 400 kHz,3.4MHz
  • Single hardware address pin: Voltage input to allow up to eight devices on the bus
  • Configurable interrupt output pins: Configurable as active-high, active-low or open-drain
  • Configurable interrupt source: Interrupt-on-change from configured defaults or pin change
  • Polarity inversion register to configure the polarity of the input port data
  • External reset input
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

MCP23009 is an 8-bit I/O expander with I2C™Compatible interface operating at speeds of up to 3.4MHz. The MCP23009 is available in 18-pin PDIP (300 mil), 18-pin SOIC (300 mil) and 20-pin SSOP packages.

Additional Features
    • 8-bit remote bidirectional I/O port:
      • I/O pins default to input
    • Open-drain outputs:
      • 5.5V tolerant
      • 25 mA sink
      • 200 mA total
    • Low standby current as low as 1 µA
    • High-speed I2C™ interface: 100 kHz, 400 kHz,3.4MHz
    • Single hardware address pin: Voltage input to allow up to eight devices on the bus
    • Configurable interrupt output pins: Configurable as active-high, active-low or open-drain
    • Configurable interrupt source: Interrupt-on-change from configured defaults or pin change
    • Polarity inversion register to configure the polarity of the input port data
    • External reset input
Parametrics
Name
Value
Device Description
8-bit I/O Port Expander
Operating Voltage Range (V)
1.8 to 5.5
Operating Temp Range (°C)
-40 to 125
Interface
I²C™
Max. Bus Frequency (kBits/s)
3400

Documents

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Data Sheets

11/09/2014
959KB

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RoHS Information

Part Number
Device Weight
Shipping Weight
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MCP23009-E/P
1.248000
2.200000
18
PDIP
.300in
Matte Tin
e3
Rohs icon
efup china icon
MCP23009T-E/SO
0.481000
1.000909
18
SOIC
.300in
Matte Tin
e3
Rohs icon
efup china icon
MCP23009-E/SO
0.481000
0.857143
18
SOIC
.300in
Matte Tin
e3
Rohs icon
efup china icon
MCP23009T-E/SS
0.164200
0.416250
20
SSOP
.209in
Matte Tin
e3
Rohs icon
efup china icon
MCP23009-E/SS
0.164200
0.343284
20
SSOP
.209in
Matte Tin
e3
Rohs icon
efup china icon
MCP23009T-E/MG
0.021600
0.234849
16
QFN
3x3x0.9mm
Matte Tin
e3
Rohs icon
efup china icon
MCP23009-E/MG
0.021600
0.041667
16
QFN
3x3x0.9mm
Matte Tin
e3
Rohs icon
efup china icon
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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