Manufacturer: ON Semiconductor
Win Source Part Number: 771220-CAT9555WI-T1
Packaging: Reel package
Operating Temperature Range: -40°C ~ 85°C
Features: POR
Package: 24-SOIC (0.295", 7.50mm Width)
Mounting: SMD
Output Type: Push-Pull
Operating Supply Voltage: 2.3 V ~ 5.5 V
Interface: I2C, SMBus
Number of I/O: 16
Part Status: Obsolete(EOL)
Current - Output Source/Sink: 10mA, 24mA
Interrupt Output: Yes
Family Name: CAT9555
Categories: Integrated Circuits (ICs)
Clock Frequency: 400kHz
Manufacturer Package: 24-SOIC
Alternative Parts (Cross-Reference): PCA9555D; PCA9555D,118; PCA9555D/G; PCA9555D,112;
Introduction Date: December 09, 2004
ECCN: EAR99
Country of Origin: Philippines
Estimated EOL Date: Obsolete / End of life
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 67 pct.
Supply and Demand Status: Balance
I/O Port Expander, I2C / SMBus, 16-Bit, with Active Low Interrupt, SOIC-24, 300 mils, 1000-REEL Product overview: CAT9555WI-T1 from onsemi 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 16-bit, SOIC. Search-friendly keywords include interface IC, transceiver, driver, receiver, CAN, RS-485, 16-bit, SOIC, 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-CAT9555WI-T1 can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|
| Product Category | IC Interfaces | IC Interfaces | IC Interfaces | IC Interfaces | IC Interfaces |
| Product Number | 771220-CAT9555WI-T1 | 749-CAT9555WI-T1 | CAT9555WI-T1TR-ND | CAT9555WI-T1 | CAT9555WI-T1 |
| Product Name | Interface - Interface - I/O Expanders - CAT9555WI-T1 | 16-bit SOIC Interface Transceiver IC | I/O Expanders | Integrated Circuits (ICs) - Interface - I-O Expanders | I/O Expanders |
| Device Type | Sensor Interface | Transceiver | Port / Bus Expander | Port / Bus Expander; Sensor Interface | Port / Bus Expander |
| Supply Voltage | Other; 2.3 V ~ 5.5 V | Other; 2.3V ~ 5.5V | Other | Other; 2.3V ~ 5.5V | |
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
| Package Type | SOIC | SOIC | SOIC; "24-SOIC (0.295"", 7.50mm Width)" | SOIC | SOIC; 24-SOIC (0.295\", 7.50mm Width) |
