Description
MAX7311AWG+: I/O Port Expander 24-Pin SOIC W - Rail/Tube
Package: SOIC-24
Mfr. Part#: MAX7311AWG+
Mfr.: MAXIM
Datasheet: 
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ROHS Status: 
Quality: 100% Original
Warranty: 180 days
Product Status | Active | |
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-SOIC (0.295", 7.50mm Width) | |
Supplier Device Package | 24-SOIC | |
Base Product Number | MAX7311 |
The MAX7311 2-wire-interfaced expander provides 16-bit parallel input/output (I/O) port expansion for SMBus and I²C applications. The MAX7311 consists of input port registers, output port registers, polarity inversion registers, configuration registers, a bus timeout register, and an I²C-compatible serial interface logic compatible with SMBus. The system master can invert the MAX7311 input data by writing to the active-high polarity inversion register. The system master can enable or disable bus timeout by writing to the bus timeout register. Any of the 16 I/O ports can be configured as an input or output. A power-on reset (POR) initializes the 16 I/Os as inputs. Three address select pins configure one of 64 slave ID addresses. The MAX7311 supports hot insertion. All port pins, the active-low INT output, SDA, SCL and the slave address inputs AD0-2 remain high impedance in power down (V+ = 0V) with up to 6V asserted upon them. The MAX7311 is available in 24-pin SO, SSOP, TSSOP, and thin QFN packages and is specified over the -40°C to +125°C automotive temperature range. For applications requiring I/Os without pullup resistors, refer to the MAX7312 data sheet.
Key Features
- 400kbps I²C-Compatible Serial Interface
- 2V to 5.5V Operation
- 5V Overvoltage Tolerant I/Os
- Supports Hot Insertion
- 16 I/O Pins that Default to Inputs on Power-Up
- 100kΩ Pullup on Each I/O
- Open-Drain Interrupt Output (Active-Low INT)
- Bus Timeout for Lock-Up-Free Operation
- Noise Filter on SCL/SDA Inputs
- 64 Slave ID Addresses Available
- Low Standby Current (2.9µA typ)
- Polarity Inversion
- 4mm x 4mm, 0.8mm Thin QFN Package
- -40°C to +125°C Operation
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