Overview
The PCA9501BS,118 is an 8-bit I/O expander produced by NXP USA Inc. This component integrates an on-board 2-kbit EEPROM and features eight quasi-bidirectional data pins that can be independently assigned as inputs or outputs. It operates on the I2C-bus and SMBus protocols, making it versatile for various applications requiring I/O expansion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of I/O Pins | 8 |
| EEPROM Size | 2 kbit |
| Interface | I2C-bus, SMBus |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Package Type | TSSOP16 |
| Package Size | 0.65 mm pitch |
Key Features
- Eight quasi-bidirectional I/O pins that can be independently assigned as inputs or outputs.
- On-board 2-kbit EEPROM for data storage.
- Supports I2C-bus and SMBus protocols.
- Interrupt output for signaling changes in the input pins.
- Low power consumption.
- Operating voltage range of 3.0 V to 3.6 V.
Applications
The PCA9501BS,118 is suitable for a variety of applications where I/O expansion is necessary, such as:
- Industrial control systems.
- Consumer electronics.
- Automotive systems.
- Medical devices.
- Any system requiring additional I/O ports via I2C or SMBus interfaces.
Q & A
- What is the PCA9501BS,118? The PCA9501BS,118 is an 8-bit I/O expander with an on-board 2-kbit EEPROM.
- What interfaces does it support? It supports I2C-bus and SMBus protocols.
- How many I/O pins does it have? It has eight quasi-bidirectional I/O pins.
- What is the operating voltage range? The operating voltage range is 3.0 V to 3.6 V.
- What is the operating temperature range? The operating temperature range is -40°C to 85°C.
- What package type is it available in? It is available in a TSSOP16 package.
- Does it have an interrupt feature? Yes, it has an interrupt output for signaling changes in the input pins.
- What is the EEPROM size? The EEPROM size is 2 kbit.
- Where can it be used? It can be used in industrial control systems, consumer electronics, automotive systems, medical devices, and any system requiring additional I/O ports via I2C or SMBus interfaces.
- What is the package size? The package size is 0.65 mm pitch.
