Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers 16-TSSOP -40 to 85
8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers 16-TSSOP -40 to 85 Product overview: PCA9557PW from Texas Instruments is an Interface Transceiver IC for serial communication, bus conversion, signal driving, receiver stages, and industrial networking. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, TSSOP. Search-friendly keywords include interface IC, transceiver, driver, receiver, CAN, RS-485, 8-bit, TSSOP, Interface Transceiver IC, I/O Expanders. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 749-PCA9557PW can be used for catalog matching and distributor lookup.
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| Texas Instruments | ERSAELECTRONICS PTE. LTD. | DigiKey | VAST STOCK CO., LIMITED | ODG (Origin Data Global) | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|
| Product Category | IC Interfaces | IC Interfaces | IC Interfaces | IC Interfaces | IC Interfaces | IC Interfaces |
| Product Number | PCA9557PW | 749-PCA9557PW | 296-33523-5-ND | PCA9557PW | PCA9557PW | PCA9557PW |
| Product Name | PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander with Reset and Configuration Registers | 8-bit TSSOP Interface Transceiver IC | I/O Expanders | Interface - I/O Expanders | I/O Expanders | I/O Expanders |
| Technology | I2C | I2C; SMBus | I2C; SMBus; I²C, SMBus | I2C; SMBus; I²C, SMBus | ||
| Device Type | Port / Bus Expander | Transceiver | Port / Bus Expander | Port / Bus Expander | ||
| Features | RoHS | RoHS | RoHS | RoHS |
