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NXP PCA9501PW118 8-bit I/O Expander with EEPROM
The PCA9501 is an 8-bit I/O expander with an onboard 2-kbit EEPROM, supporting I2C and SMBus interfaces. It features eight quasi-bidirectional data pins, configurable as inputs or outputs, with interrupt capability and a sophisticated addressing scheme allowing up to 64 devices on the bus. Ideal for board monitoring, status reporting, and system configuration in telecom and networking equipment, it offers low standby current, operate voltage of 2.5 to 3.6 V, and supports hot insertion. Package options include SO20, TSSOP20, and HVQFN20 for versatile design integration, providing reliable, space-efficient I/O expansion for complex systems.
NXP PCA9501PW118 8-bit I/O Expander with EEPROM Specifications:
- Support for I2C-bus and SMBus at 0 Hz to 400 kHz clock frequency
- 8 quasi-bidirectional I/O pins, configurable as input or output
- On-board 2-kbit EEPROM (256 x 8), 10-year data retention
- Internal 256-byte EEPROM, 16 byte page write operation, self-timed 5 ms write cycle
- Power supply voltage range: 2.5 V to 3.6 V, 5 V tolerant logic inputs/outputs
- Operating temperature range: -40°C to +85°C
- Low standby current, supports hot insertion
- Active LOW interrupt output with open-drain configuration
- 6 address pins allowing up to 64 devices on the I2C/SMBus
- ESD protection exceeding 2000 V HBM, handling high electrical noise
- Available in SO20, TSSOP20, HVQFN20 packages, suitable for space-constrained applications
Buy the NXP PCA9501 – Reliable I/O Expanders for Industrial Applications
Enhance your industrial systems with the PCA9501 I/O expander, offering reliable performance and easy system integration. This 8-bit device features quasi-bidirectional pins, a 2-kbit EEPROM, and supports multiple devices on the I2C and SMBus protocols. Its low power consumption, robust noise immunity, and thermal management make it suitable for telecom, networking, and embedded control applications. Available in small, space-saving packages, it simplifies hardware design while ensuring stable, long-term operation in demanding environments.
Get NXP PCA9501 today—built for precise board monitoring, multi-card systems, and long-lasting durability in industrial environments.
Frequently Asked Questions
Where can I buy NXP PCA9501PW118?
You can click on the BUY or RFQ button to purchase PCA9501PW118 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part PCA9501PW118?
You can download the PCA9501PW118 datasheet or visit the NXP website for support.
Who is the manufacturer of PCA9501PW118?
NXP