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MAX7310
2-Wire-Interfaced 8-Bit I/O Port Expander with Reset
2-Wire-Interfaced 8-Bit I/O Port Expander with Reset can Sink Up to 30mA per Port for SMBus™-Compatible and I²C-Compatible Applications
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Status
Active: In Production.
Description
The MAX7310 provides 8-bit parallel input/output port expansion for SMBus™-compatible and I²C-compatible applications. The MAX7310 consists of an input port register, an output port register, a polarity inversion register, a configuration register, a bus timeout register, and an SMBus/I²C-compatible serial interface. The system master can invert the MAX7310 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 eight I/O ports can be configured as input or output. An active-low reset input sets the eight I/Os as inputs. Three address-select pins configure one of 56 slave ID addresses.
The MAX7310 is available in 16-pin thin QFN, TSSOP, and QSOP packages and is specified over the -40°C to +125°C automotive temperature range.
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Data Sheet
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Key Features
- 400kHz 2-Wire Interface
- 2.3V to 5.5V Operation
- Low Standby Current (1.7µA typ)
- Bus Timeout for Lock-Up-Free Operation
- 56 Slave ID Addresses
- Polarity Inversion
- Eight I/O Pins that Default to Inputs on Power-Up
- 5V Tolerant Open-Drain Output on I/O0
- 4mm x 4mm, 0.8mm Thin QFN Package
- -40°C to +125°C Operation
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Applications/Uses
- Cellular Handsets
- Desktop Computers: Motherboards
- GPIO
- Industrial Control
- Industrial Displays
- Instrumentation and Test Measurement
- Medical Equipment
- RAID Systems
- Servers
- White LED Drivers
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Key Specifications:
| I/O Port Expanders |
| Part Number |
Interface |
I/O |
Reset Input |
Over Voltage Protect. |
Drive Current
(mA) |
VSUPPLY
(V) |
VSUPPLY
(V) |
Budgetary Price |
| min |
max |
See Notes |
| MAX7310 |
Serial 2-Wire 400kbit |
8 |
Yes |
5.5V |
20 |
2.3 |
5.5 |
$1.63 @1k |
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See All I/O Port Expanders (35)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
 Typical Operating Circuit
Application Notes
Product Guides
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX7310AEE
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-1*
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-40°C to +125°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX7310AEE+
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX7310AEE+T
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+1*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX7310AEE-T
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Active |
QSOP;16 pin
Land Pattern: Not Available
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-40°C to +125°C
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See data sheet
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| MAX7310ATE
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Active |
TQFN;16 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern: 90-0070 (PDF)
Use pkgcode/variation: T1644-4*
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-40°C to +125°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX7310ATE+
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Active |
TQFN;16 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern: 90-0070 (PDF)
Use pkgcode/variation: T1644+4*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX7310ATE+T
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Active |
TQFN;16 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern: 90-0070 (PDF)
Use pkgcode/variation: T1644+4*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX7310ATE-T
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Active |
TQFN;16 pin;16.8 mm²
Outline Drawing:21-0139 (PDF)
Land Pattern: 90-0070 (PDF)
Use pkgcode/variation: T1644-4*
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-40°C to +125°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX7310AUE
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Active |
TSSOP;16 pin;33.4 mm²
Outline Drawing:21-0066 (PDF)
Land Pattern: 90-0117 (PDF)
Use pkgcode/variation: U16-2*
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-40°C to +125°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX7310AUE+
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Active |
TSSOP;16 pin;33.4 mm²
Outline Drawing:21-0066 (PDF)
Land Pattern: 90-0117 (PDF)
Use pkgcode/variation: U16+2*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX7310AUE+T
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Active |
TSSOP;16 pin;33.4 mm²
Outline Drawing:21-0066 (PDF)
Land Pattern: 90-0117 (PDF)
Use pkgcode/variation: U16+2*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX7310AUE-T
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Active |
TSSOP;16 pin;33.4 mm²
Outline Drawing:21-0066 (PDF)
Land Pattern: 90-0117 (PDF)
Use pkgcode/variation: U16-2*
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-40°C to +125°C
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RoHS/Lead-Free: No
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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More Information
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Information Index
Document Ref.: 19-2698
Rev 3;
2005-03-11
This page last modified: 2010-05-13
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