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Texas Instruments PCF8574 Series

5 variants · Texas Instruments

About the Texas Instruments PCF8574 Series

ICBOMS is a China IC distributor and semiconductor supplier — an independent, Shenzhen-based overseas procurement agent for Texas Instruments PCF8574 Series components — sourcing Texas Instruments PCF8574 Series parts new and original only, across the authorized and vetted independent channel, with every lot authenticity-screened before shipment. The Texas Instruments PCF8574 Series series groups 5 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common clock frequency of 100 kHz, current - output source (Sink) of 1mA, 25mA and features of POR. Variants differ by case and package, so you can match the exact case your application requires using the selection guide below. All listed Texas Instruments PCF8574 Series part numbers are active and orderable.

Select a variant by

Case
16-SOIC (0.295\", 7.50mm Width) · 20-TFSOP (0.173\", 4.40mm Width) · 20-TSSOP (0.173\", 4.40mm Width)
Package
Tape & Reel (TR); Cut Tape (CT) · Tube

Shared specifications

Clock frequency
100 kHz
Current - output source (Sink)
1mA, 25mA
Features
POR
Interface
I²C
Interrupt output
Yes
Mounting
Surface Mount
Number of i (O)
8
Operating temperature
-40°C~85°C
Output type
Push-Pull
Supply voltage
2.5V ~ 6V

Variant comparison

ParameterPCF8574APWPCF8574DWPCF8574ADGVRPCF8574ADWPCF8574ADWE4
Case20-TSSOP (0.173\", 4.40mm Width)16-SOIC (0.295\", 7.50mm Width)20-TFSOP (0.173\", 4.40mm Width)16-SOIC (0.295\", 7.50mm Width)16-SOIC (0.295\", 7.50mm Width)
PackageTubeTubeTape & Reel (TR); Cut Tape (CT)TubeTube

Request a quote on any Texas Instruments PCF8574 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants