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Texas Instruments CY74FCT2245ATSOC — Logic ICs

CY74FCT2245ATSOC 74FCT Transceiver, Non-Inverting, 20-SOIC

MPNCY74FCT2245ATSOC
End of Life

74FCT series, 8-bit non-inverting transceiver with 3-state outputs, 4.75V–5.25V supply, 15mA/12mA output drive, 20-SOIC wide-body package, -40°C to 85°C, ROHS3 compliant.

$1.23Ref. price · indicative, final on quote
Packaging20-SOIC (0.295", 7.50mm Width)
RoHSROHS3 Compliant
Series74FCT
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

CY74FCT2245ATSOC specifications
ParameterValue
Series74FCT
Logic typeTransceiver, Non-Inverting
Output type3-State
MountingSurface Mount
Supply voltage4.75V ~ 5.25V
Current - output high, low15mA, 12mA
Operating temperature-40°C ~ 85°C (TA)
PackageTube
Case20-SOIC (0.295\", 7.50mm Width)
Number of elements1
Number of bits per element8

Product details

8-bit bus transceiver for 5V backplane and peripheral interfaces

The CY74FCT2245ATSOC is an 8-bit non-inverting transceiver from the 74FCT logic family, with 3-state outputs that allow bidirectional data flow on a single bus.

Output drive and supply — sizing for the bus load

With 15mA high-level and 12mA low-level output current, this transceiver can drive moderate capacitive loads on short PCB traces or a few TTL inputs per line. The 4.75V to 5.25V supply range covers the full 5V ±5% tolerance, so it works with legacy 5V rails and regulated 5V supplies in mixed-voltage systems. The single-element, 8-bit configuration matches byte-wide data paths without needing multiple devices.

Package and footprint — 20-SOIC wide-body

Housed in a 20-SOIC wide-body package (0.295" body width, 7.50mm), this surface-mount transceiver uses the standard JEDEC SOIC-20W footprint. The wide-body variant offers better thermal dissipation and easier manual inspection than the narrow SOIC.

The industrial range ensures reliable operation in unconditioned enclosures and seasonal temperature swings.

The ROHS3 compliance covers the latest EU exemption updates, which simplifies compliance for export-bound equipment.

Frequently asked questions

What is the exact function of CY74FCT2245ATSOC?

It is an 8-bit non-inverting transceiver with 3-state outputs, used for bidirectional data transfer on a single 5V bus. The direction control pin selects data flow from A to B or B to A, and the output enable pin puts the outputs into high-impedance when the bus is idle.

Is CY74FCT2245ATSOC RoHS compliant?

Yes, it is ROHS3 compliant.

Does CY74FCT2245ATSOC have a direct replacement or equivalent?

The higher drive current of the ABT variant may require checking the bus load margin, but the pinout and footprint are identical.