SN74LVC16244ADGVR Equivalent & Substitute Parts

Part Overview

The SN74LVC16244ADGVR is a non-inverting buffer logic IC manufactured by Texas Instruments, featuring 4 elements with 4 bits per element and 3-state output capability. Designed for 1.65V to 3.6V supply voltage operation, this 48-TVSOP surface mount device is classified as Active product status. Substitute parts become necessary due to inventory constraints, manufacturing discontinuation, or specific application requirements for alternative electrical characteristics or packaging formats.

Key Parameters

Parameter	Value
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	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	48-TFSOP (0.173", 4.40mm Width)
Supplier Device Package	48-TVSOP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC16244ADGVR is determined by the following critical parameters:

Functional Equivalence Requirements:

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Output Type: 3-State

Electrical Compatibility Parameters:

Voltage - Supply: Must support 1.65V ~ 3.6V minimum range
Current - Output High, Low: Must meet or exceed 24mA, 24mA
Operating Temperature: Must support -40°C ~ 125°C minimum range

Physical Compatibility Parameters:

Mounting Type: Surface Mount
Package / Case: 48-pin TFSOP or equivalent footprint

Substitute parts are grouped into two categories: parametric equivalents (identical electrical and functional specifications) and manufacturer-recommended alternatives (functionally equivalent with acceptable parameter variations for specific applications).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Voltage - Supply	Current - Output (mA)	Operating Temp (°C)	Package / Case	Product Status	MSL
SN74LVC16244ADGVR	Texas Instruments	74LVC	1.65V ~ 3.6V	24, 24	-40 ~ 125	48-TFSOP (0.173")	Active	1
SN74LVCH16244ADGVR	Texas Instruments	74LVCH	1.65V ~ 3.6V	24, 24	-40 ~ 125	48-TFSOP (0.173")	Active	1
74LCX162244MTDX	Fairchild Semiconductor	74LCX	2V ~ 3.6V	12, 12	-40 ~ 85	48-TFSOP (0.240")	Active	N/A
74LCX16244MTD	onsemi	74LCX	2V ~ 3.6V	24, 24	-40 ~ 85	48-TFSOP (0.240")	Last Time Buy	2
74LCXH16244MTDX	onsemi	74LCXH	2V ~ 3.6V	24, 24	-40 ~ 85	48-TFSOP (0.240")	Last Time Buy	2
74LVC162244ADGG:11	Nexperia USA Inc.	74LVC	1.2V ~ 3.6V	12, 12	-40 ~ 125	48-TFSOP (0.240")	Active	1
74LVC162244APAG	IDT	74LVC	2.7V ~ 3.6V	12, 12	-40 ~ 85	48-TFSOP (0.240")	Active	N/A
74LVC162244APVG	Renesas Electronics	74LVC	2.7V ~ 3.6V	12, 12	-40 ~ 85	48-BSSOP (0.295")	Active	3
74LVC16244ADGG,112	NXP Semiconductors	74LVC	1.2V ~ 3.6V	24, 24	-40 ~ 125	48-TFSOP (0.240")	Active	1
74LVC16244ADGG,118	NXP Semiconductors	74LVC	1.2V ~ 3.6V	24, 24	-40 ~ 125	48-TFSOP (0.240")	Active	1
74LVCH162244ADGG,1	Nexperia USA Inc.	74LVCH	1.2V ~ 3.6V	12, 12	-40 ~ 125	48-TFSOP (0.240")	Active	1

Engineering Selection Recommendations

Tier 1 - Direct Parametric Equivalents: SN74LVCH16244ADGVR (Texas Instruments) provides identical electrical specifications and operating range to the SN74LVC16244ADGVR with Active product status and MSL 1 rating. This part maintains full compatibility with existing designs without parameter derating.

Tier 2 - Active Status with Parameter Variations: 74LVC16244ADGG,112 and 74LVC16244ADGG,118 (NXP Semiconductors) offer extended supply voltage range (1.2V minimum) and maintain 24mA output current with Active status. These parts support wider low-voltage applications while preserving thermal operating range (-40°C to 125°C).

74LVC162244ADGG:11 (Nexperia USA Inc.) extends supply voltage to 1.2V minimum but reduces output current to 12mA. Selection requires verification that 12mA output drive meets application requirements.

74LVCH162244ADGG,1 (Nexperia USA Inc.) combines extended voltage range (1.2V minimum) with reduced output current (12mA) and Active status, suitable for low-power applications.

Tier 3 - Last Time Buy Status: 74LCX16244MTD (onsemi) and 74LCXH16244MTDX (onsemi) carry Last Time Buy status, indicating manufacturing discontinuation. These parts maintain 24mA output current but operate within 2V to 3.6V supply range and -40°C to 85°C temperature range. Selection should account for long-term availability constraints.

Tier 4 - Reduced Output Current: 74LCX162244MTDX (Fairchild Semiconductor), 74LVC162244APAG (IDT), and 74LVC162244APVG (Renesas Electronics) all specify 12mA output current, requiring design verification that reduced drive capability meets application needs. These parts are suitable only when output current derating is acceptable.

All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can I substitute SN74LVC16244ADGVR with 74LCX162244MTDX? A: Functional substitution is possible with design considerations. The 74LCX162244MTDX maintains 4-element, 4-bit non-inverting buffer architecture with 3-state output. However, output current is reduced from 24mA to 12mA, and supply voltage minimum increases from 1.65V to 2V. Operating temperature range narrows from -40°C to 125°C to -40°C to 85°C. Verify that your application tolerates these parameter reductions.

Q: What is the difference between 74LVC and 74LVCH series? A: Both series provide identical functional specifications for the SN74LVC16244ADGVR equivalent. The primary difference is manufacturer and internal design implementation. SN74LVCH16244ADGVR (Texas Instruments) is a direct parametric equivalent. Selection between series should be based on inventory availability and supply chain requirements.

Q: Are package dimensions interchangeable between 48-TVSOP and 48-TSSOP? A: No. The SN74LVC16244ADGVR uses 48-TVSOP with 0.173" width (4.40mm). Most substitute parts use 48-TFSOP or 48-TSSOP with 0.240" width (6.10mm). While both are 48-pin packages, the different widths require PCB layout verification. Consult your PCB design files to confirm footprint compatibility before substitution.

Q: Can I use 74LVC162244APVG as a substitute? A: Functional substitution is possible with package and environmental considerations. The 74LVC162244APVG uses 48-BSSOP package (0.295" width) instead of 48-TFSOP, requiring PCB footprint modification. Output current is reduced to 12mA, and operating temperature range is limited to -40°C to 85°C. Moisture sensitivity level is 3 (168 hours) versus MSL 1 (unlimited) for the primary part, requiring controlled storage conditions.

Q: Which substitute parts have Active product status? A: SN74LVCH16244ADGVR, 74LCX162244MTDX, 74LVC162244ADGG:11, 74LVC162244APAG, 74LVC162244APVG, 74LVC16244ADGG,112, 74LVC16244ADGG,118, and 74LVCH162244ADGG,1 all carry Active product status. Parts with Last Time Buy status (74LCX16244MTD and 74LCXH16244MTDX) indicate manufacturing discontinuation and should be evaluated for long-term supply chain impact.

Q: What does MSL 1 versus MSL 2 or MSL 3 mean for my application? A: Moisture Sensitivity Level (MSL) defines storage and handling requirements. MSL 1 (Unlimited) allows indefinite storage at room temperature without special precautions. MSL 2 (1 Year) requires controlled storage conditions after opening. MSL 3 (168 Hours) requires use within 168 hours of opening or baking to remove moisture. The SN74LVC16244ADGVR specifies MSL 1, providing maximum handling flexibility. Substitutes with higher MSL ratings require stricter inventory and assembly management.

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