Input/Output (I/O) Expander



Data Sheets
Part Number Description Key Advantages
MAX7326 I²C Port Expander with 12 Push-Pull Outputs and Four Inputs

Best Suited for Monitoring Transient Changes,
Generating Control Signals, and Driving LEDs 
MAX7325 I²C Port Expander with 8 Push-Pull and 8 Open-Drain I/Os

Low Operating Supply Voltage I²C Port Expander with 8 Push-Pull and 8 Configurable Open-Drain I/Os 
MAX7312 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection

 



Key Specifications:

I/O Port Expanders
Part Number Interface I/O Inputs Outputs Reset Input Interr.Out Over Voltage Protect. Drive Current
(mA)
VSUPPLY
(V)
VSUPPLY
(V)
Budgetary
Price
min max See Notes
MAX7325 
Serial - I2C Compatible
Serial 2-Wire 400kbit
16 - - Yes Yes 6V 25 1.71 5.5 $0.98 @1k
MAX7326 
Serial - I2C Compatible
Serial 2-Wire 400kbit
- 4 12 Yes 6V 25 1.71 $1.74 @1k
MAX7312  Serial 2-Wire 400kbit 16 - - - 5.5V 40 2 $1.81 @1k
See All I/O Port Expanders (35)