Part PCA9548
Description 8-channel I2C switch with reset
Manufacturer NXP Semiconductors
Size 125.82 KB
Pricing from 1.49 USD, available from Newark and Avnet.
NXP Semiconductors

PCA9548 Overview

Key Specifications

Package: TSSOP
Mount Type: Surface Mount
Pins: 24
Operating Voltage: 2.5 V

Description

The PCA9548 is a octal bi-directional translating switch controlled by the I2C-bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels.

Key Features

  • 1-of-8 bi-directional translating switches
  • I2C interface logic; compatible with SMBus standards
  • Active LOW Reset Input
  • 3 address pins allowing up to 8 devices on the I2C-bus
  • Channel selection via I2C-bus, in any combination
  • Power-up with all switch channels deselected
  • Low RdsON switches
  • Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and
  • No glitch on power-up
  • Supports hot insertion

Price & Availability

Seller Inventory Price Breaks Buy
Newark 7490 1+ : 1.49 USD
10+ : 1.1 USD
25+ : 0.974 USD
50+ : 0.934 USD
View Offer
Newark 6428 1+ : 1.49 USD
10+ : 1.1 USD
25+ : 0.974 USD
50+ : 0.934 USD
View Offer