Key facts
- Brand
- Maxim
- Model
- MAX7312
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-05
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Maxim MAX7312 2‑Wire I/O Port Expander Datasheet
The MAX7312 is a 2‑wire‑interfaced 16‑bit I/O port expander that provides up to 16 I/O pins, interrupt output, bus timeout, and hot‑insertion protection. It is designed for SMBus™ and I²C‑compatible applications and supports 64 selectable slave addresses.
Key features include a supply voltage range of 2 V to 5.5 V, operation from –40 °C to +125 °C, low standby current (2.9 µA typ), and availability in 24‑pin SO, SSOP, TSSOP and thin QFN packages. The datasheet provides detailed electrical characteristics, timing diagrams, pin descriptions, and register maps for system designers.
Maxim MAX7312 specifications
| Operating Temperature Range | -40 °C to +125 °C |
|---|---|
| Package Types | 24‑pin SO, SSOP, TSSOP, 4 mm×4 mm Thin QFN |
| Standby Current | 2.9 µA typ |
| Bus Timeout Feature | Lock‑up‑free operation |
| Interrupt Output Type | Open‑Drain |
| Number of I/O Pins | 16 |
| Slave ID Addresses | 64 selectable |
All Maxim MAX7312 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many I/O pins does the MAX7312 provide?
It provides 16 I/O pins.
What temperature range can the MAX7312 operate in?
It can operate from –40 °C to +125 °C.
Does the MAX7312 support hot insertion?
Yes, the device supports hot insertion.
From: Maxim MAX7312 2-Wire-Interfaced 16-Bit I/O Port Expander Datasheet
How many I/O pins does the MAX7312 provide?
It provides 16 I/O pins that default to inputs on power‑up.
From: Maxim MAX7312 2-Wire-Interfaced 16-Bit I/O Port Expander Datasheet