74LVC244APW,112 Equivalent & Substitute Parts

Part Overview

The 74LVC244APW,112 is a non-inverting buffer logic IC manufactured by Nexperia USA Inc., featuring 2 elements with 4 bits per element and 3-state output capability. This component operates across a supply voltage range of 1.2V to 3.6V and is housed in a 20-TSSOP package. 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	74LVC244APW,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	1.2V ~ 3.6V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC244APW,112 is determined by the following critical parameters:

Primary Matching Criteria:

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Output Type: 3-State
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Current - Output High, Low: 24mA, 24mA

Secondary Compatibility Factors:

Voltage - Supply: Must encompass or overlap with 1.2V ~ 3.6V range
Operating Temperature: Must support -40°C ~ 125°C (TA) or equivalent industrial range
RoHS Status: ROHS3 Compliant preferred for regulatory alignment

Substitute parts are grouped into two categories: direct equivalents from alternative manufacturers maintaining identical electrical specifications, and functional equivalents with extended voltage or temperature ranges that provide design flexibility while maintaining core buffer functionality.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements	Bits/Element	Output Type	Current (mA)	Voltage Supply	Temp Range	Package	Product Status
74LVC244APW,112	Nexperia USA Inc.	Buffer, Non-Inverting	2	4	3-State	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Obsolete
74LVC244APW,118	Nexperia USA Inc.	Buffer, Non-Inverting	2	4	3-State	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Active
MC74LCX244DTR2G	onsemi	Buffer, Non-Inverting	2	4	3-State	24, 24	2V ~ 5.5V	-55°C ~ 125°C	20-TSSOP	Active
74LCX244MTCX	onsemi	Buffer, Non-Inverting	2	4	3-State	24, 24	2V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Active
74LCX244MTC	onsemi	Buffer, Non-Inverting	2	4	3-State	24, 24	2V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Active
74LCX2244MTCX	Fairchild Semiconductor	Buffer, Non-Inverting	2	4	3-State	12, 12	2V ~ 3.6V	-40°C ~ 85°C	20-TSSOP	Active
MC74LCX244DTG	onsemi	Buffer, Non-Inverting	2	4	3-State	24, 24	2V ~ 5.5V	-55°C ~ 125°C	20-TSSOP	Active
CLVC244AQPWRG4Q1	Texas Instruments	Buffer, Non-Inverting	2	4	3-State	24, 24	1.65V ~ 3.6V	-40°C ~ 125°C	20-TSSOP	Active
SN74LVC2244ADBR	Texas Instruments	Buffer, Non-Inverting	2	4	3-State	12, 12	1.65V ~ 3.6V	-40°C ~ 85°C	20-SSOP	Active
SN74LVC2244ADBQR	Texas Instruments	Buffer, Non-Inverting	2	4	3-State	12, 12	1.65V ~ 3.6V	-40°C ~ 85°C	20-SSOP	Active
SN74LVC2244ADGVR	Texas Instruments	Buffer, Non-Inverting	2	4	3-State	12, 12	1.65V ~ 3.6V	-40°C ~ 85°C	20-TVSOP	Active

Engineering Selection Recommendations

Tier 1 - Direct Replacement (Identical Specifications): The 74LVC244APW,118 from Nexperia USA Inc. provides the most direct substitution path. This part maintains identical electrical specifications, package form factor, and operating parameters while offering active product status and significantly higher inventory availability (272,633 units in stock versus 640 units for the obsolete variant).

Tier 2 - Extended Range Equivalents (Same Package, Enhanced Specifications): The MC74LCX244DTR2G and MC74LCX244DTG from onsemi, along with CLVC244AQPWRG4Q1 from Texas Instruments, maintain the 20-TSSOP package and 24mA output current specification. These parts offer extended voltage or temperature ranges, providing design margin for applications requiring broader operational boundaries. CLVC244AQPWRG4Q1 includes automotive-grade qualification (AEC-Q100), suitable for automotive and harsh environment applications.

Tier 3 - Functional Equivalents (Same Logic Function, Package Variations): The 74LCX244MTCX and 74LCX244MTC from onsemi maintain core buffer functionality in the 20-TSSOP package but operate within 2V ~ 3.6V supply range and -40°C ~ 85°C temperature limits. These are suitable for applications not requiring the extended -55°C lower temperature bound.

Tier 4 - Reduced Current Output Variants: The 74LCX2244MTCX from Fairchild Semiconductor and Texas Instruments SN74LVC2244 series variants (ADBR, ADBQR, ADGVR) provide 12mA output current instead of 24mA. These are applicable only when circuit design accommodates reduced drive capability. Package variations (20-SSOP, 20-TVSOP) require PCB layout verification.

All recommended substitutes maintain ROHS3 compliance and MSL ratings compatible with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can I use 74LVC244APW,118 as a direct replacement for 74LVC244APW,112? A: Yes. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications, package form factor, and operating parameters. The primary difference is product status: 74LVC244APW,118 is active with high inventory availability, while 74LVC244APW,112 is obsolete.

Q: What is the difference between 20-TSSOP and 20-SSOP packages? A: Both are surface-mount packages with 20 pins, but differ in physical dimensions. 20-TSSOP has a width of 0.173" (4.40mm), while 20-SSOP variants range from 0.154" (3.90mm) to 0.209" (5.30mm). PCB footprint compatibility must be verified before substitution.

Q: Can I use MC74LCX244DTR2G in place of 74LVC244APW,112? A: Functionally yes, with design considerations. MC74LCX244DTR2G maintains identical logic function, element count, bit configuration, and 24mA output current in the same 20-TSSOP package. However, it operates at 2V ~ 5.5V supply voltage (versus 1.2V ~ 3.6V) and -55°C ~ 125°C temperature range. Verify that your circuit design accommodates these extended specifications.

Q: Why do some substitutes have 12mA output current instead of 24mA? A: Output current capability is determined by the specific IC design and manufacturing process. Parts with 12mA output (such as 74LCX2244MTCX and SN74LVC2244 variants) are functionally equivalent buffers but with reduced drive capability. Use these only if circuit design analysis confirms adequate current margin for your load impedance.

Q: Is CLVC244AQPWRG4Q1 suitable for automotive applications? A: Yes. CLVC244AQPWRG4Q1 carries AEC-Q100 automotive qualification and is graded for automotive use. It maintains the same 20-TSSOP package and 24mA output current as the original part while offering -40°C ~ 125°C operating temperature range.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life under standard storage conditions (typically 30°C, 85% relative humidity). No special moisture control measures are required during storage or handling, simplifying supply chain management.

Q: Can I substitute parts with different voltage supply ranges? A: Substitution is valid only if your circuit design operates within the overlapping voltage range. For example, if your design uses 3V supply, both 74LVC244APW,112 (1.2V ~ 3.6V) and MC74LCX244DTR2G (2V ~ 5.5V) are compatible. However, if your design requires 1.2V operation, only the original 74LVC244APW,112 or 74LVC244APW,118 are suitable.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message