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Référence fabricant


CAT9555 Series 16-bit 2.3 to 5 V I²C and SMBus I/O Port with Interrupt TSSOP-24

Modèle ECAD:
Nom du fabricant: onsemi
Emballage standard:
Product Variant Information section
Code de date:
Product Specification Section
onsemi CAT9555YI-T2 - Caractéristiques techniques
Attributes Table
Interface Circuit Type: I2C
No of Channels: 1
Clock Frequency-Max: 400kHz
No of I/O Lines: 16
Supply Voltage-Nom: 2.3V to 5.5V
Supply Current: 160mA
Style d'emballage :  TSSOP-24
Méthode de montage : Surface Mount
$Fonctionnalités et applications

The CAT9555YI-T2 is a part of CAT9555 series 16-bit I2C. It has a storage temperature ranging from -65°C to +150°C and its available in TSSOP-24 package.

The CAT9555 is a CMOS device that provides 16−bit parallel input/output port expansion for I2C and SMBus compatible applications. These I/O expanders provide a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, pushbuttons, and fans.


  • 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
  • 24−lead SOIC and TSSOP, and 24−pad TQFN (4 x 4 mm) Packages
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant


  • White Goods
  • Handheld Devices
  • Data Communications

View the available CAT9555 series of 16-bit I2C

Pricing Section
Stock globale:
d’Allemagne (En ligne seulement):
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Multiples de :
2 800,00 $
Prix Internet
2 000
4 000
6 000
8 000+
Product Variant Information section