Overview
The PCA9671PW,118, produced by NXP USA Inc., is a remote 16-bit I/O expander designed for use with the I²C-bus interface. It is part of the Fast-mode Plus (Fm+) family and serves as a drop-in upgrade for the PCF8575, offering higher I²C-bus speeds and enhanced capabilities. This device provides general-purpose remote I/O expansion for most microcontroller families, making it versatile for various applications.
Key Specifications
| Specification | Value |
|---|---|
| I²C-bus Interface Speed | 1 MHz (Fast-mode Plus) |
| Supply Voltage | 2.3 V to 5.5 V |
| I/O Voltage Tolerance | 5.5 V tolerant I/Os |
| Number of I/O Pins | 16-bit remote I/O pins |
| Output Drive Capability | Latched outputs with 25 mA sink capability |
| Total Package Sink Capability | 400 mA |
| Reset Input | Active LOW reset input |
| Slave Addresses | 64 programmable slave addresses using 3 address pins |
| Operating Temperature | -40°C to +85°C |
| Package Type | 24-TSSOP (0.173, 4.40mm Width) |
| ESD Protection | Exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 |
Key Features
- Compliant with I²C-bus Fast-mode and Standard-mode
- SDA with 30 mA sink capability for 4000 pF buses
- Latched outputs with 25 mA high current drive capability for directly driving LEDs
- Readable device ID (manufacturer, device type, and revision)
- Low standby current
- ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
- Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Applications
- LED signs and displays
- Servers
- Industrial control
- Medical equipment
- PLCs (Programmable Logic Controllers)
- Cellular telephones
- Gaming machines
- Instrumentation and test measurement
Q & A
- What is the PCA9671PW,118 used for?
The PCA9671PW,118 is used for general-purpose remote I/O expansion for most microcontroller families via the I²C-bus interface.
- What is the I²C-bus interface speed of the PCA9671PW,118?
The I²C-bus interface speed is 1 MHz (Fast-mode Plus).
- What is the supply voltage range for the PCA9671PW,118?
The supply voltage range is 2.3 V to 5.5 V.
- How many I/O pins does the PCA9671PW,118 have?
The device has 16-bit remote I/O pins.
- What is the output drive capability of the PCA9671PW,118?
The device has latched outputs with 25 mA sink capability.
- What is the total package sink capability of the PCA9671PW,118?
The total package sink capability is 400 mA.
- How many programmable slave addresses does the PCA9671PW,118 support?
The device supports 64 programmable slave addresses using 3 address pins.
- What is the operating temperature range for the PCA9671PW,118?
The operating temperature range is -40°C to +85°C.
- What type of package does the PCA9671PW,118 come in?
The device comes in a 24-TSSOP package (0.173, 4.40mm Width).
- What level of ESD protection does the PCA9671PW,118 have?
The device exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 for ESD protection.
- What are some common applications of the PCA9671PW,118?
Common applications include LED signs and displays, servers, industrial control, medical equipment, PLCs, cellular telephones, gaming machines, and instrumentation and test measurement.
