Skip to main content
Texas Instruments TCA9544APWR — Discrete Semiconductors
Texas Instruments

TCA9544APWR Texas Instruments I²C Multiplexer, 1:4, 20-TSSOP

MPNTCA9544APWR
End of Life

Texas Instruments TCA series I²C multiplexer, TCA9544APWR, 1 x 1:4 circuit, 1.65V to 5.5V supply, -40°C to 85°C, 20-TSSOP package, Tape & Reel.

$1.78Ref. price · indicative, final on quote
TCA9544APWR datasheet
Packaging20-TSSOP (0.173", 4.40mm Width)
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

TCA9544APWR Technical Specifications
ParameterValue
TypeMultiplexer
SeriesTCA
Mounting typeSurface Mount
Voltage1.65V ~ 5.5V
Voltage supply sourceSingle Supply
Operating temperature-40°C ~ 85°C
Circuit1 x 1:4
PackageTape & Reel (TR); Cut Tape (CT)
Case20-TSSOP (0.173\", 4.40mm Width)
Independent circuits1

Product details

1:4 I²C bus multiplexer in 20-TSSOP

The TCA9544APWR is a 1 x 1:4 multiplexer from Texas Instruments' TCA series, designed to steer I²C bus traffic between one upstream channel and four downstream segments.

Active production, ROHS3 compliant

It is ROHS3 compliant, meeting the current EU restriction-hazardous-substances directive without exemption.

Frequently asked questions

What package does the TCA9544APWR come in?

It is offered in a 20-pin TSSOP package (4.40 mm wide, 0.65 mm pitch) for surface-mount assembly.