Product Summary

The CAT9555YI-T2 is a is a CMOS device that provides 16?bit parallel input/output port expansion for I2C and SMBus

compatible applications.

Parametrics

CAT9555YI-T2 Parametrics:

Packaging Tape & Reel (TR)
Number of I /O 16
Interface I2C, SMBus
Interrupt Output Yes
Features POR
Output Type Push-Pull
Current - Output Source/Sink 10mA, 24mA
Frequency - Clock 400kHz
Voltage - Supply 2.3 V ~ 5.5 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 24-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 24-TSSOP
Dynamic Catalog I/O Expanders
Other Names CAT9555YI-T2TR
CAT9555YIT2

Features

CAT9555YI-T2 Features:

? 400 kHz I2C Bus Compatible
? 2.3 V to 5.5 V Operation
? Low Stand?by Current
? 5 V Tolerant I/Os
? 16 I/O Pins that Default to Inputs at Power?up
? High Drive Capability
? Individual I/O Configuration
? Polarity Inversion Register
? Active Low Interrupt Output
? Internal Power?on Reset
? No Glitch on Power?up
? Noise Filter on SDA/SCL Inputs
? Cascadable up to 8 Devices
? Industrial Temperature Range
? These Devices are Pb?Free, Halogen Free/BFR Free and are RoHS Compliant

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
CAT9555YI-T2
CAT9555YI-T2
ON Semiconductor
Interface - Specialized I2C/SMBUS Expander 16B,w/Int
Data Sheet
0-1390: $0.50
1390-2000: $0.46
2000-5000: $0.44
5000-10000: $0.43
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