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Part Number: MAX7329
Description: The MAX7328/MAX7329 are 2-wire serial-interfaced peripherals with eight I/O ports. Any port can be use...
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General Description
MAX7329 General Description
The MAX7328/MAX7329 are 2-wire serial-interfaced peripherals with eight I/O ports. Any port can be used as a logic input or an open-drain output.
All input ports are continuously monitored for state changes (transition detection). Transitions are alerted through the open-drain, 5.5V-tolerant INT output.
The MAX7328 and MAX7329 versions differ only by their slave ID address ranges. The MAX7328 has a slave ID range of 0100xxx (0x20 to 0x27). The MAX7329 has a slave ID range of 0111xxx (0x38 to 0x3F).
For a similar part with overvoltage-protected I/Os and a bus RST input that clears the I2C* serial interface, refer to the MAX7321 data sheet. The MAX7328/MAX7329 are members of a family of pin-compatible port expanders with a choice of input ports, open-drain I/O ports, and push-pull output ports (see the Selector Guide).
MAX7329 Maximum Ratings
(Voltage with respect to GND.)
V+, SCL, SDA, AD0, AD1, AD2, INT .............................-0.3V to +6V
P0P7 ...........................................................-0.3V to (V+ + 0.3V)
P0P7, SDA, INT Output Sink Current ..................................25mA
SCL, SDA, AD0, AD1, AD2, INT, P0P7 Input Current ............20mA
Total V+ Current...................................................................100mA
Total GND Current ................................................................100mA
Continuous Power Dissipation (TA = +70°C)
16-Pin Wide SO (derate 9.5mW/°C over +70°C) ..............762mW
20-Pin SSOP (derate 8mW/°C over +70°C) ......................640mW
20-Pin TSSOP (derate 11mW/°C over +70°C) ..................879mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature........................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ...................................+300°C
V+, SCL, SDA, AD0, AD1, AD2, INT .............................-0.3V to +6V
P0P7 ...........................................................-0.3V to (V+ + 0.3V)
P0P7, SDA, INT Output Sink Current ..................................25mA
SCL, SDA, AD0, AD1, AD2, INT, P0P7 Input Current ............20mA
Total V+ Current...................................................................100mA
Total GND Current ................................................................100mA
Continuous Power Dissipation (TA = +70°C)
16-Pin Wide SO (derate 9.5mW/°C over +70°C) ..............762mW
20-Pin SSOP (derate 8mW/°C over +70°C) ......................640mW
20-Pin TSSOP (derate 11mW/°C over +70°C) ..................879mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature........................................................+150°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ...................................+300°C
MAX7329 Features
· 100kHz, 5.5V-Tolerant, I2C-Compatible Serial Interface
· 2.5V to 5.5V Operating Supply Voltage Range
· Low-Standby-Current Consumption of 10µA (max)
· I2C Bus-to-Parallel-Port Expander
· Open-Drain Interrupt Output INT
· 8-Bit Remote I/O Port for the I2C Bus
· Latched Outputs with High-Current-Drive Capability for Directly Driving LEDs
· Address by Three Hardware Address Pins for Use of Up to Eight Devices (Up to 16 Using Both MAX7328/MAX7329)
· -40°C to +125°C Automotive Temperature Range
· Second Sources to PCF8574 and PCF8574A
· 2.5V to 5.5V Operating Supply Voltage Range
· Low-Standby-Current Consumption of 10µA (max)
· I2C Bus-to-Parallel-Port Expander
· Open-Drain Interrupt Output INT
· 8-Bit Remote I/O Port for the I2C Bus
· Latched Outputs with High-Current-Drive Capability for Directly Driving LEDs
· Address by Three Hardware Address Pins for Use of Up to Eight Devices (Up to 16 Using Both MAX7328/MAX7329)
· -40°C to +125°C Automotive Temperature Range
· Second Sources to PCF8574 and PCF8574A
MAX7329 Typical Application
·Automotive
·RAID
·Servers
·Notebooks
·Industrial
·RAID
·Servers
·Notebooks
·Industrial
MAX7329 Connection Diagram
MAX7329
PDF/DataSheet Download
- Datasheet: MAX7329
- File Size: 626352 KB
- Manufacturer: MAXIM
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