74FCT16244ATPVCG4 Equivalent & Substitute Parts

Part Overview

The 74FCT16244ATPVCG4 is a non-inverting buffer IC manufactured by Texas Instruments, featuring 4 elements with 4 bits per element and 3-state output capability. This 48-SSOP surface mount device operates across a 4.5V to 5.5V supply range and is designed for logic signal buffering applications. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design requirements and production needs.

Key Parameters

Parameter	Value
Manufacturer Part Number	74FCT16244ATPVCG4
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	4
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	32mA, 64mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Discontinued at DiGi Electronics
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74FCT16244ATPVCG4 are categorized based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Output Type: 3-State
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TA)
Package / Case: 48-BSSOP (0.295", 7.50mm Width)
Mounting Type: Surface Mount

Manufacturer Recommended Substitutes (MFR Recommended) are parts explicitly identified as direct replacements with active product status and full parameter compatibility.

Parametric Equivalents are parts that match all critical electrical parameters and package specifications but may have different product status or manufacturer origin.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Type	Current (High/Low)	Supply Voltage	Temp Range	Package	Product Status	RoHS
74FCT16244ATPVCG4	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Discontinued	ROHS3
74FCT162244ATPVG	IDT	Buffer, Non-Inverting	4 / 4	3-State	24mA, 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	Not specified
74FCT162244CTPVG	IDT	Buffer, Non-Inverting	4 / 4	3-State	24mA, 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	Not specified
74FCT16244CTPAG8	Renesas Electronics	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	ROHS3
74FCT16244ATPVG	IDT	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	Not specified
CY74FCT16244ATPVC	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	ROHS3
CY74FCT16244CTPVC	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	ROHS3
CY74FCT16244TPVC	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	ROHS3
SN74ABT16241ADL	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	ROHS3
SN74ABT16244ADL	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	ROHS3
SN74ABTH16244DL	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	32mA, 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	ROHS3

Engineering Selection Recommendations

Primary Recommendation - Manufacturer Recommended Substitutes:

The 74FCT162244ATPVG and 74FCT162244CTPVG from IDT are manufacturer-recommended direct replacements with active product status. Both maintain full electrical compatibility with the original 74FCT16244ATPVCG4 across all critical parameters including supply voltage, operating temperature range, and package specifications. These parts are currently in active production with substantial inventory availability (4078 and 1661 units respectively).

Secondary Recommendation - Parametric Equivalents with Active Status:

The 74FCT16244ATPVG from IDT provides parametric equivalence with identical output current specifications (32mA, 64mA) and active product status. This part maintains the same 48-BSSOP package and electrical operating range as the original component.

The SN74ABT16244ADL and SN74ABTH16244DL from Texas Instruments are parametric equivalents with active product status, ROHS3 compliance, and identical electrical specifications. These parts represent the 74ABT and 74ABTH logic families respectively, offering alternative sourcing from the original manufacturer.

Obsolete Parts - Not Recommended for New Designs:

The CY74FCT16244ATPVC, CY74FCT16244CTPVC, and CY74FCT16244TPVC variants are obsolete and should not be selected for new production designs despite parameter compatibility.

The 74FCT16244CTPAG8 from Renesas Electronics is obsolete and uses a 48-TFSOP package variant (0.240", 6.10mm Width) rather than the standard 48-BSSOP, introducing potential PCB layout incompatibility.

Compliance Considerations:

All recommended active substitutes maintain ROHS3 compliance or equivalent environmental standards. MSL rating of 1 (Unlimited) is consistent across all parts, indicating no moisture sensitivity restrictions for storage and handling.

Frequently Asked Questions (FAQ)

Q: Can I use 74FCT162244ATPVG as a direct replacement for 74FCT16244ATPVCG4?

A: The 74FCT162244ATPVG is electrically compatible and maintains the same package specification (48-BSSOP). However, output current differs: the substitute provides 24mA (high/low) versus the original 32mA/64mA. This reduced current capacity must be evaluated against your circuit's load requirements. The part is manufacturer-recommended and actively produced.

Q: What is the difference between 74FCT162244ATPVG and 74FCT162244CTPVG?

A: Both parts are from IDT with identical electrical specifications and package. The primary difference is packaging format: ATPVG is supplied in bulk, while CTPVG is supplied in tube packaging. Electrical performance and compatibility are equivalent.

Q: Why do some substitutes have different output current ratings?

A: The 74FCT162244 variants from IDT specify 24mA output current (both high and low), while the original 74FCT16244 and 74ABT variants specify 32mA high and 64mA low. These differences reflect different internal circuit designs within the same functional family. Selection depends on your circuit's current sourcing and sinking requirements.

Q: Is the 74FCT16244CTPAG8 from Renesas a viable substitute?

A: The 74FCT16244CTPAG8 matches electrical specifications but uses a 48-TFSOP package (0.240" width) instead of the standard 48-BSSOP (0.295" width). This package difference may cause PCB footprint incompatibility. Additionally, this part is obsolete. It is not recommended for new designs.

Q: Can I use SN74ABT16244ADL or SN74ABTH16244DL instead?

A: Yes. Both parts are from Texas Instruments (the original manufacturer), maintain active product status, and provide identical electrical specifications and 48-BSSOP packaging. The 74ABT and 74ABTH logic families are established alternatives with proven reliability. These represent valid long-term sourcing options.

Q: Are all recommended substitutes ROHS3 compliant?

A: The original 74FCT16244ATPVCG4 and most active substitutes (SN74ABT16244ADL, SN74ABTH16244DL) are ROHS3 compliant. The IDT variants (74FCT162244ATPVG, 74FCT162244CTPVG, 74FCT16244ATPVG) do not specify RoHS status in the provided data. Verify RoHS compliance requirements with your supply chain if this is a critical specification.

Q: What is the MSL rating for these parts?

A: All parts listed maintain MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard handling and storage procedures apply without special moisture control requirements.

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