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Texas Instruments CY74FCT244CTSOC — Logic ICs
Texas Instruments

CY74FCT244CTSOC 74FCT Buffer Non-Inverting 3-State 20-SOIC

MPNCY74FCT244CTSOC
End of Life

Cypress Semiconductor 74FCT series buffer, non-inverting, 3-state outputs, 4.75V–5.25V supply, 32mA/64mA drive, -40°C to 85°C, 20-SOIC package.

$1.05Ref. price · indicative, final on quote
CY74FCT244CTSOC datasheet
Packaging20-SOIC (0.295", 7.50mm Width)
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Specifications

CY74FCT244CTSOC Technical Specifications
ParameterValue
Series74FCT
Logic typeBuffer, 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
Case20-SOIC (0.295\", 7.50mm Width)
Number of elements2
Number of bits per element4

Product details

What this 74FCT buffer does on the bus

The CY74FCT244CTSOC is a dual 4-bit non-inverting buffer from Cypress Semiconductor's 74FCT logic family, with 3-state outputs that let you isolate or enable a data bus segment. It runs on a 4.75V to 5.25V supply — classic 5V TTL territory — and each output can source 32mA or sink 64mA, enough to drive a few CMOS loads or a short ribbon cable without a separate line driver.

Package and footprint — hand-solderable wide SOIC

It comes in a 20-SOIC wide-body package (0.295" body width, 7.50mm), surface-mount only. The 1.27mm pin pitch is easy to hand-solder with a fine tip or hot-air station — no microscope needed. The supplier device package is 20-SOIC, same as the case style.

Frequently asked questions

What are the equivalents for CY74FCT244CTSOC?

A close functional equivalent is the SN74ABT2245DW from Texas Instruments — it is a non-inverting transceiver (not a buffer) with 3-state outputs, similar 32mA drive, and the same 20-SOIC package. The key difference is the transceiver has direction control (DIR) and an output-enable bar, while the CY74FCT244CTSOC is a simpler buffer with two active-low output enables per 4-bit bank. Check your board's control logic before substituting.