CD74FCT244M96 Equivalent & Substitute Parts

Part Overview

The CD74FCT244M96 is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, designed for 2 element, 4-bit per element configurations with 3-state output capability. This component operates within a 4.75V to 5.25V supply voltage range and is housed in a 20-SOIC surface mount package. The part maintains active product status and is RoHS3 compliant with unlimited moisture sensitivity level rating. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and functional equivalence within the 74FCT and 74S logic families.

Key Parameters

Parameter	Specification
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	15mA, 64mA
Voltage - Supply	4.75V ~ 5.25V
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	20-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the CD74FCT244M96 are classified into two categories based on parametric equivalence and manufacturer recommendation status:

Parametric Equivalents share identical electrical specifications, output characteristics, supply voltage range, operating temperature range, and package configuration. These parts are direct functional replacements with no design modifications required.

Manufacturer Recommended Equivalents maintain functional equivalence across all critical electrical parameters but may originate from alternative manufacturers (IDT, Integrated Device Technology Inc) or feature extended operating temperature ranges (-40°C ~ 85°C versus 0°C ~ 70°C). These parts are suitable for applications requiring broader temperature performance or alternative sourcing.

The key parameters determining substitution eligibility are: Logic Type (Buffer, Non-Inverting), Number of Elements (2), Number of Bits per Element (4), Output Type (3-State), Current ratings (15mA/64mA), Supply Voltage (4.75V ~ 5.25V), Package Type (20-SOIC), and Mounting Type (Surface Mount).

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements / Bits	Output Type	Current (High/Low)	Supply Voltage	Operating Temp	Package	Packaging Type	Product Status
CD74FCT244M96	Texas Instruments	74FCT	Buffer, Non-Inverting	2 / 4	3-State	15mA, 64mA	4.75V ~ 5.25V	0°C ~ 70°C	20-SOIC	Tape & Reel	Active
CD74FCT244ATM96	Texas Instruments	74FCT	Buffer, Non-Inverting	2 / 4	3-State	15mA, 64mA	4.75V ~ 5.25V	0°C ~ 70°C	20-SOIC	Tape & Reel	Active
SN74S244DWR	Texas Instruments	74S	Buffer, Non-Inverting	2 / 4	3-State	15mA, 64mA	4.75V ~ 5.25V	0°C ~ 70°C	20-SOIC	Tape & Reel	Active
74FCT244ATSOG	IDT, Integrated Device Technology Inc	74FCT	Buffer, Non-Inverting	2 / 4	3-State	15mA, 64mA	4.75V ~ 5.25V	-40°C ~ 85°C	20-SOIC	Bulk	Active
74FCT244CTSOG	IDT, Integrated Device Technology Inc	74FCT	Buffer, Non-Inverting	2 / 4	3-State	15mA, 64mA	4.75V ~ 5.25V	-40°C ~ 85°C	20-SOIC	Bulk	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and are suitable for direct replacement applications. The CD74FCT244ATM96 and SN74S244DWR are parametric equivalents from Texas Instruments with identical operating temperature specifications (0°C ~ 70°C) and tape & reel packaging, making them optimal for applications requiring consistent sourcing from the original manufacturer.

The 74FCT244ATSOG and 74FCT244CTSOG, manufactured by IDT, provide extended operating temperature range (-40°C ~ 85°C) and are available in bulk packaging. These parts are suitable for applications requiring broader temperature performance or alternative supplier qualification. All parts comply with RoHS3 requirements and maintain equivalent electrical performance across supply voltage and output current specifications.

Frequently Asked Questions (FAQ)

Q: Can CD74FCT244ATM96 be used as a direct replacement for CD74FCT244M96?

A: Yes. Both parts are from Texas Instruments, share identical electrical specifications, output characteristics, supply voltage range (4.75V ~ 5.25V), operating temperature range (0°C ~ 70°C), and 20-SOIC package configuration. No design modifications are required.

Q: What is the difference between the Texas Instruments and IDT substitute parts?

A: Texas Instruments parts (CD74FCT244ATM96, SN74S244DWR) operate within 0°C ~ 70°C temperature range and are supplied in tape & reel packaging. IDT parts (74FCT244ATSOG, 74FCT244CTSOG) feature extended operating temperature range (-40°C ~ 85°C) and bulk packaging. All maintain identical electrical specifications and 20-SOIC package dimensions.

Q: Are all substitute parts RoHS3 compliant?

A: The CD74FCT244M96 and CD74FCT244ATM96 are explicitly RoHS3 compliant. Compliance status for SN74S244DWR, 74FCT244ATSOG, and 74FCT244CTSOG is not specified in the provided data.

Q: Does package type (tape & reel versus bulk) affect electrical performance?

A: No. Packaging type affects handling, storage, and supply chain logistics but does not alter electrical performance or functional equivalence. Both tape & reel and bulk packaging contain identical components.

Q: Can SN74S244DWR replace CD74FCT244M96 in all applications?

A: Yes, provided the application operates within the 0°C ~ 70°C temperature range and 4.75V ~ 5.25V supply voltage specification. The SN74S244DWR maintains identical output current ratings (15mA, 64mA), logic type, element configuration, and 20-SOIC package compatibility.

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