Overview
The PCA9674PW/S911,118 is a remote 8-bit I/O expander produced by NXP USA Inc. This device is part of the Fast-mode Plus (Fm+) I2C-bus family, offering high-speed data transfer capabilities. It is designed to expand the I/O capabilities of microcontrollers and other I2C-bus masters, making it suitable for a variety of applications that require additional I/O ports.
Key Specifications
| Parameter | Description |
|---|---|
| Interface | 1 MHz I2C-bus (Fast-mode Plus) |
| Supply Voltage | 2.3 V to 5.5 V |
| I/O Ports | 8 quasi-bidirectional ports |
| Output Sink Capability | 25 mA per port, 200 mA total package sink capability |
| Interrupt Output | Active LOW open-drain interrupt output |
| Slave Addresses | Sixty-four programmable slave addresses using three address pins (sixty-two for PCA9674A) |
| Device ID | Readable device ID (manufacturer, device type, and revision) |
| Standby Current | 4.5 μA typical |
| Operating Temperature | -40°C to +85°C |
| ESD Protection | Exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 |
| Package | 16-TSSOP (0.173", 4.40mm Width) |
Key Features
- High-speed 1 MHz I2C-bus interface with Fast-mode Plus capability
- SDA with 30 mA sink capability for 4000 pF buses
- 5.5 V tolerant I/Os held to VDD with 100 μA current source
- Latched outputs with 25 mA sink capability for directly driving LEDs
- Active LOW open-drain interrupt output
- Software Reset feature to reset the device to Power-On Reset state
- Low standby current of 4.5 μA typical
- ESD protection exceeding 2000 V HBM and 1000 V CDM
Applications
- LED signs and displays
- Servers
- Key pads
- Industrial control
- Medical equipment
- PLCs (Programmable Logic Controllers)
- Cellular telephones
- Mobile devices
- Gaming machines
- Instrumentation and test measurement
Q & A
- What is the PCA9674PW/S911,118 used for?
The PCA9674PW/S911,118 is used as a remote 8-bit I/O expander to extend the I/O capabilities of microcontrollers and other I2C-bus masters. - What is the interface speed of the PCA9674PW/S911,118?
The interface speed is 1 MHz, using the Fast-mode Plus I2C-bus. - What is the supply voltage range for the PCA9674PW/S911,118?
The supply voltage range is 2.3 V to 5.5 V. - How many quasi-bidirectional ports does the PCA9674PW/S911,118 have?
The device has 8 quasi-bidirectional ports. - What is the output sink capability of the PCA9674PW/S911,118?
The output sink capability is 25 mA per port, with a total package sink capability of 200 mA. - Does the PCA9674PW/S911,118 have an interrupt feature?
Yes, it has an active LOW open-drain interrupt output. - How many programmable slave addresses are available?
There are sixty-four programmable slave addresses using three address pins (sixty-two for PCA9674A). - What is the standby current of the PCA9674PW/S911,118?
The standby current is 4.5 μA typical. - What is the operating temperature range of the PCA9674PW/S911,118?
The operating temperature range is -40°C to +85°C. - What kind of ESD protection does the PCA9674PW/S911,118 have?
The device has ESD protection exceeding 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101.
