PCA9574BSManufacturer: NXP 8-bit I虏C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt | |||
Partnumber | Manufacturer | Quantity | Availability |
---|---|---|---|
PCA9574BS | NXP | 2336 | In Stock |
Description and Introduction
8-bit I虏C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt The **PCA9574BS** from NXP Semiconductors is a high-performance, low-power I²C bus buffer with voltage-level translation capabilities. Designed to enhance signal integrity in mixed-voltage systems, this component enables seamless communication between devices operating at different voltage levels, typically ranging from 1.2V to 3.6V.  
Featuring a bidirectional voltage-level translator, the PCA9574BS ensures robust signal transmission while minimizing power consumption, making it ideal for battery-powered and energy-efficient applications. Its integrated buffering capability reduces bus capacitance, allowing for longer trace lengths and supporting more devices on the I²C bus without signal degradation.   The device includes an automatic direction sensing mechanism, eliminating the need for additional control signals. It also incorporates noise suppression and rise-time acceleration to maintain signal integrity in noisy environments. With a compact footprint and industry-standard pinout, the PCA9574BS is well-suited for space-constrained designs in consumer electronics, industrial automation, and IoT applications.   Key features include low standby current, compatibility with standard and fast-mode I²C protocols, and ESD protection for enhanced reliability. The PCA9574BS offers a practical solution for designers seeking efficient voltage translation and bus buffering in modern electronic systems. |
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