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Texas Instruments CY74FCT543ATSOC — Logic ICs
Texas Instruments

CY74FCT543ATSOC 74FCT Transceiver, Non-Inverting, 24-SOIC

MPNCY74FCT543ATSOC
End of Life

Cypress 74FCT series, CY74FCT543ATSOC, 8-bit non-inverting transceiver with 3-state outputs, 4.75V–5.25V supply, 32mA/64mA drive, -40°C to 85°C, 24-SOIC (7.50mm width), surface mount, tube.

$0.95Ref. price · indicative, final on quote
CY74FCT543ATSOC datasheet
Packaging24-SOIC (0.295", 7.50mm Width)
StockContact for availability
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

CY74FCT543ATSOC Technical Specifications
ParameterValue
Series74FCT
Logic typeTransceiver, Non-Inverting
Output type3-State
Mounting typeSurface Mount
Voltage4.75V ~ 5.25V
Current - output high, low32mA, 64mA
Operating temperature-40°C ~ 85°C (TA)
PackageTube
Case24-SOIC (0.295\", 7.50mm Width)
Number of elements1
Number of bits per element8

Product details

8-bit bus transceiver for 5V backplanes and industrial I/O

The CY74FCT543ATSOC from Cypress is an 8-bit non-inverting transceiver with 3-state outputs from the 74FCT logic family. Typical applications include bidirectional data buses in industrial controllers, telecom line cards, and memory-interface buffers where 5V logic levels are still in use.

Output drive and bus loading

The transceiver can source 32 mA and sink 64 mA per output. The 3-state outputs let multiple transceivers share the same bus lines.

Package and assembly notes

The 24-SOIC (0.295", 7.50 mm width) is a standard JEDEC footprint shared with many 24-pin SOIC parts.

Lifecycle and compliance

For long-term supply assurance, the 74FCT family has been stable for years and is widely second-sourced across the industry.

Frequently asked questions

Is CY74FCT543ATSOC RoHS compliant?

Yes, it is ROHS3 compliant, covering all six original RoHS substances plus the four phthalates under EU Directive 2015/863.