74ALVC16244DL,112 Equivalent & Substitute Parts

Part Overview

The 74ALVC16244DL,112 is a non-inverting buffer IC manufactured by Nexperia USA Inc., designed for 3-state output applications in logic circuits. This device features 4 elements with 4 bits per element, operating across a supply voltage range of 1.2V to 3.6V. 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	74ALVC16244DL,112
Manufacturer	Nexperia USA Inc.
Logic Type	Buffer, Non-Inverting
Number of Elements	4
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 ~ 85°C (TA)
Package / Case	48-BSSOP (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 74ALVC16244DL,112 is determined by the following critical parameters:

Logic type (Buffer, Non-Inverting)
Number of elements (4) and bits per element (4)
Output type (3-State)
Output current capability (24mA, 24mA)
Supply voltage range compatibility (minimum 1.2V to 3.6V)
Operating temperature range (-40°C ~ 85°C)
Package compatibility (48-pin SSOP or equivalent footprint)

Substitute parts are grouped into two categories:

Direct Substitutes (Pin-Compatible, Same Package): Parts maintaining identical electrical specifications and 48-BSSOP packaging, enabling direct replacement without PCB modification.

Functional Equivalents (Alternative Packages): Parts with matching electrical performance but different package types (48-TSSOP, 48-TFSOP, 48-TVSOP), requiring PCB layout adjustment but maintaining full functional compatibility.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Current (mA)	Supply Voltage (V)	Package / Case	Product Status	RoHS3
74ALVC16244DL,112	Nexperia USA Inc.	Buffer, Non-Inverting	4 / 4	24, 24	1.2 ~ 3.6	48-BSSOP	Obsolete	Yes
SN74ALVC16244ADL	Texas Instruments	Buffer, Non-Inverting	4 / 4	24, 24	1.65 ~ 3.6	48-BSSOP	Active	Yes
SN74ALVC16244ADLR	Texas Instruments	Buffer, Non-Inverting	4 / 4	24, 24	1.65 ~ 3.6	48-BSSOP	Active	Yes
SN74ALVC16244ADGGR	Texas Instruments	Buffer, Non-Inverting	4 / 4	24, 24	1.65 ~ 3.6	48-TFSOP	Active	Yes
74VCX16244MTDX	Fairchild Semiconductor	Buffer, Non-Inverting	4 / 4	24, 24	1.2 ~ 3.6	48-TFSOP	Active	No
SN74ALVCH162244DL	Texas Instruments	Buffer, Non-Inverting	4 / 4	12, 12	1.65 ~ 3.6	48-BSSOP	Active	Yes
SN74ALVCH162244DLR	Texas Instruments	Buffer, Non-Inverting	4 / 4	12, 12	1.65 ~ 3.6	48-BSSOP	Active	Yes
SN74ALVCH162244GR	Texas Instruments	Buffer, Non-Inverting	4 / 4	12, 12	1.65 ~ 3.6	48-TFSOP	Active	Yes
SN74ALVCH16244DGGR	Texas Instruments	Buffer, Non-Inverting	4 / 4	24, 24	1.65 ~ 3.6	48-TFSOP	Active	Yes
SN74ALVCH16244DGVR	Texas Instruments	Buffer, Non-Inverting	4 / 4	24, 24	1.65 ~ 3.6	48-TVSOP	Active	Yes

Engineering Selection Recommendations

Primary Recommendation - Direct Replacement: SN74ALVC16244ADL or SN74ALVC16244ADLR (Texas Instruments) are the preferred direct substitutes. Both maintain the 48-BSSOP package, identical output current specifications (24mA), and active product status. The ADLR variant is supplied in tape and reel packaging, suitable for automated assembly. Both parts are ROHS3 compliant with MSL 1 rating.

Alternative with Same Package: SN74ALVCH162244DL or SN74ALVCH162244DLR offer the same 48-BSSOP footprint and active status. These parts feature reduced output current (12mA vs. 24mA), which is acceptable for applications not requiring maximum drive capability. Both are ROHS3 compliant.

Functional Equivalents - Alternative Packages: For designs permitting PCB layout modification, SN74ALVC16244ADGGR (48-TFSOP), SN74ALVCH162244GR (48-TFSOP), SN74ALVCH16244DGGR (48-TFSOP), and SN74ALVCH16244DGVR (48-TVSOP) provide active product status and full functional compatibility. The 74VCX16244MTDX (Fairchild Semiconductor) matches the original supply voltage range (1.2V ~ 3.6V) but lacks ROHS3 compliance documentation.

Compliance Consideration: All Texas Instruments substitutes carry ROHS3 compliance and MSL 1 ratings, matching the original part's environmental specifications. The Fairchild alternative does not provide documented ROHS3 status.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC16244ADL replace 74ALVC16244DL,112 without modification? A: Yes. Both parts share identical logic type, element count, bit configuration, output current (24mA), operating temperature range, and 48-BSSOP package. The Texas Instruments part is active and ROHS3 compliant, making it a direct substitute.

Q: What is the difference between SN74ALVC16244ADLR and SN74ALVC16244ADL? A: Both are electrically identical. The ADLR variant is supplied in tape and reel (TR) packaging for automated assembly, while ADL is supplied in tube packaging. Selection depends on assembly process requirements.

Q: Can I use SN74ALVCH162244DL instead of the original part? A: Functionally yes, with one consideration: output current is reduced from 24mA to 12mA. This substitution is valid for applications where maximum drive capability is not required. The part maintains the same package, voltage range, and temperature specifications.

Q: What packaging differences exist among the substitutes? A: The original and most direct substitutes use 48-BSSOP (0.295" width). Alternative packages include 48-TFSOP (0.240" width) and 48-TVSOP (0.173" width). Package selection affects PCB footprint and board layout. Verify footprint compatibility before selection.

Q: Are all substitute parts ROHS3 compliant? A: All Texas Instruments substitutes are ROHS3 compliant with MSL 1 rating. The Fairchild 74VCX16244MTDX does not provide documented ROHS3 compliance status in the provided specifications.

Q: What is the minimum supply voltage for each substitute? A: The original Nexperia part and Fairchild 74VCX16244MTDX operate from 1.2V minimum. Texas Instruments substitutes (74ALVC and 74ALVCH series) operate from 1.65V minimum. Verify your circuit's minimum supply voltage before selection.

Q: Can I use 74VCX16244MTDX as a substitute? A: Yes, electrically. The part matches output current (24mA) and supply voltage range (1.2V ~ 3.6V). However, it uses 48-TFSOP packaging and lacks documented ROHS3 compliance. Use only if compliance documentation is not required and PCB layout permits the alternative package.

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