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TCA9554 Datasheet(PDF) 34 Page - Texas Instruments

Part # TCA9554
Description  TCA9554 Low Voltage 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output and Configuration Registers
PDF  48 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TCA9554 Datasheet(HTML) 34 Page - Texas Instruments

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PACKAGE MATERIALS INFORMATION
www.ti.com
24-Jul-2025
TAPE AND REEL BOX DIMENSIONS
Width (mm)
H
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
TCA9554DBQR
SSOP
DBQ
16
2500
340.5
338.1
20.6
TCA9554DBR
SSOP
DB
16
2000
353.0
353.0
32.0
TCA9554DWR
SOIC
DW
16
2000
350.0
350.0
43.0
TCA9554PWRG4
TSSOP
PW
16
2000
353.0
353.0
32.0
Pack Materials-Page 2



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