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Product Detailed Parameters
- Description：IC XPND 400KHZ I2C SMBUS 24TSSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of I/O：16
- Interface：I2C, SMBus
- Interrupt Output：Yes
- Features：POR
- Output Type：Push-Pull
- Current - Output Source/Sink：31mA, 43mA
- Clock Frequency：400 kHz
- Voltage - Supply：2V ~ 5.5V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：24-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：24-TSSOP
- Grade：-
- Qualification：-
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Overview
The MAX7311AUG+T is a 2-wire-interfaced 16-bit I/O port expander manufactured by Analog Devices Inc./Maxim Integrated. It provides parallel input/output expansion for SMBus and I2C applications within a 24-pin TSSOP package. The device operates on a supply voltage ranging from 2V to 5.5V, with a maximum clock frequency of 400kHz. It features 16 configurable I/O pins that default to inputs upon power-up, an open-drain interrupt output, and supports hot insertion. The component is specified for operation across an extended temperature range of -40°C to +125°C.
Feature Summary
- Supports hot insertion with high-impedance state during power-down
- Configurable polarity inversion for input data
- Bus timeout mechanism prevents serial bus lock-ups
- Noise filtering on SCL and SDA inputs
Applications
- Servers
- RAID Systems
- Industrial Control
- Medical Equipment
- PLCs
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm package type and tape-and-reel configuration. Ensure the component meets required environmental specifications and interface compatibility before integration into final designs.
Selection Notes
Select this component when 16 general-purpose I/O lines are required over an I2C or SMBus interface. Consider the TSSOP package dimensions and thermal characteristics for PCB layout. Verify that the system master can handle the 64 available slave ID addresses via AD0-AD2 pins.
Part Context
This part belongs to the MAX7311 series of 2-wire-interfaced I/O expanders. It shares functional similarities with other members in the family but differs in packaging options such as SO, SSOP, and QFN. The AUG suffix specifically denotes the 24-pin Thin Shrink Small Outline Package (TSSOP).
Replacement Considerations
Direct replacements include other MAX7311 variants like MAX7311AWG+, MAX7311AAG+, and MAX7311ATG+. These alternatives offer identical electrical functionality but utilize different packages such as Wide SO, SSOP, or Thin QFN.
