74ALVC244D,112 Equivalent & Substitute Parts

Part Overview

The 74ALVC244D,112 is a non-inverting buffer logic IC manufactured by Nexperia USA Inc., designed for 3-state output applications in 20-SO surface mount packaging. This device functions as a 2-element, 4-bit buffer with supply voltage range of 1.65V to 3.6V and operating temperature range of -40°C to 85°C. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74ALVC244D,112
Manufacturer	Nexperia USA Inc.
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74ALVC244D,112 is determined by strict equivalence across the following critical parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA
Voltage - Supply: 1.65V ~ 3.6V
Operating Temperature: -40°C ~ 85°C (TA)
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitute parts meet these parameters. Substitutes are grouped by series designation (74ALVC, 74ALVCH, 74LVCH) and packaging format (Tape & Reel or Tube). Series variants represent different logic family implementations with identical electrical and mechanical specifications.

Parameter Comparison

Parameter	74ALVC244D,112 (Nexperia)	SN74ALVC244DWR (TI)	SN74ALVCH244DWR (TI)	SN74ALVC244DW (TI)	SN74ALVCH244DW (TI)	SN74LVCH244ADW (TI)
Manufacturer	Nexperia USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Series	74ALVC	74ALVC	74ALVCH	74ALVC	74ALVCH	74LVCH
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	2	2	2	2	2	2
Number of Bits per Element	4	4	4	4	4	4
Output Type	3-State	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)	20-SOIC (0.295", 7.50mm Width)	20-SOIC (0.295", 7.50mm Width)	20-SOIC (0.295", 7.50mm Width)	20-SOIC (0.295", 7.50mm Width)	20-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete	Active	Active	Active	Active	Active
Packaging Format	-	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tube	Tube
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All identified substitute parts are active products from Texas Instruments and meet the complete electrical and mechanical specifications of the obsolete 74ALVC244D,112. Selection between substitutes should be based on:

Product Status: All Texas Instruments alternatives (SN74ALVC244DWR, SN74ALVCH244DWR, SN74ALVC244DW, SN74ALVCH244DW, SN74LVCH244ADW) are classified as active products, ensuring long-term availability and manufacturing support compared to the obsolete Nexperia part.

Compliance Certifications: All substitutes maintain ROHS3 compliance and REACH unaffected status, matching the regulatory posture of the original part.

Packaging Format: Tape & Reel (TR) packaging is suitable for automated assembly processes, while Tube packaging accommodates manual or semi-automated handling. Selection depends on production methodology and volume requirements.

Series Variants: The 74ALVC, 74ALVCH, and 74LVCH series represent different logic family implementations. All variants listed meet the specified electrical parameters and are functionally interchangeable within the defined parameter constraints.

Frequently Asked Questions (FAQ)

Q: Can the 74ALVC244D,112 be directly replaced with any of the Texas Instruments substitutes?

A: Yes. All listed Texas Instruments parts (SN74ALVC244DWR, SN74ALVCH244DWR, SN74ALVC244DW, SN74ALVCH244DW, SN74LVCH244ADW) are parametrically equivalent. They share identical logic type, element count, bit configuration, output type, current ratings, supply voltage range, operating temperature range, package dimensions, and compliance certifications.

Q: What is the difference between Tape & Reel and Tube packaging?

A: Tape & Reel (TR) packaging is designed for automated pick-and-place assembly equipment and is standard for high-volume production. Tube packaging is suitable for manual component handling and lower-volume applications. Both formats contain the same die and meet identical electrical specifications.

Q: Are there differences between the 74ALVC, 74ALVCH, and 74LVCH series?

A: These designations represent different logic family implementations within the Texas Instruments product line. All variants listed meet the specified electrical and mechanical parameters for this application. Series selection may be driven by inventory availability or existing design documentation preferences.

Q: Why is the original 74ALVC244D,112 classified as obsolete?

A: Obsolescence indicates that Nexperia has discontinued manufacturing this part number. Active alternatives from Texas Instruments provide equivalent functionality and are recommended for new designs and production continuity.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory requirements of the original part.

Q: What inventory levels are available for the substitute parts?

A: Current inventory for Texas Instruments substitutes ranges from 1,365 to 4,096 pieces in new original condition, providing adequate supply for production requirements.

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