74LVC162244APFG Equivalent & Substitute Parts

Part Overview

The 74LVC162244APFG is a non-inverting buffer IC manufactured by Renesas Electronics Corporation, designed for logic signal buffering applications with 3-state output capability. This device features 4 elements with 4 bits per element, operating across a supply voltage range of 2.7V to 3.6V. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC162244APFG
Manufacturer	Renesas Electronics Corporation
Logic Type	Buffer, Non-Inverting
Number of Elements	4
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	12mA, 12mA
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	48-TFSOP (0.173", 4.40mm Width)
Supplier Device Package	48-TVSOP
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 74LVC162244APFG 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 Requirements:

Supply voltage range must encompass or exceed 2.7V ~ 3.6V
Output current capability: minimum 12mA (high and low)
Operating temperature range: minimum -40°C ~ 85°C

Physical Compatibility Requirements:

Mounting type: Surface Mount
Package type: 48-pin TFSOP/TSSOP variants
Pin configuration must maintain functional equivalence

Substitute parts are grouped into two categories based on these parameters: direct functional equivalents with identical electrical specifications, and compatible alternatives with enhanced specifications that maintain backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Type	Current (mA)	Supply Voltage	Temp Range	Package	Product Status
74LVC162244APFG	Renesas	Buffer, Non-Inverting	4 / 4	3-State	12, 12	2.7V ~ 3.6V	-40°C ~ 85°C	48-TVSOP	Obsolete
74LVC162244APAG	IDT	Buffer, Non-Inverting	4 / 4	3-State	12, 12	2.7V ~ 3.6V	-40°C ~ 85°C	48-TSSOP	Active
74LCX162244MTDX	Fairchild Semiconductor	Buffer, Non-Inverting	4 / 4	3-State	12, 12	2V ~ 3.6V	-40°C ~ 85°C	48-TSSOP	Active
74LCX16244MTDX	onsemi	Buffer, Non-Inverting	4 / 4	3-State	24, 24	2V ~ 3.6V	-40°C ~ 85°C	48-TSSOP	Active
74LCXH16244MTDX	onsemi	Buffer, Non-Inverting	4 / 4	3-State	24, 24	2V ~ 3.6V	-40°C ~ 85°C	48-TSSOP	Last Time Buy
74LVC162244ADGG:11	Nexperia USA Inc.	Buffer, Non-Inverting	4 / 4	3-State	12, 12	1.2V ~ 3.6V	-40°C ~ 125°C	48-TSSOP	Active
74LVC16244ADGG,112	NXP Semiconductors	Buffer, Non-Inverting	4 / 4	3-State	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	48-TSSOP	Active
74LVC16244ADGG,118	NXP Semiconductors	Buffer, Non-Inverting	4 / 4	3-State	24, 24	1.2V ~ 3.6V	-40°C ~ 125°C	48-TSSOP	Active
74LVCH162244ADGG,1	Nexperia USA Inc.	Buffer, Non-Inverting	4 / 4	3-State	12, 12	1.2V ~ 3.6V	-40°C ~ 125°C	48-TSSOP	Active
74LVCH16244ADGGRG4	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	24, 24	1.65V ~ 3.6V	-40°C ~ 125°C	48-TSSOP	Discontinued at DiGi Electronics
CLVC16244AIDGGREP	Texas Instruments	Buffer, Non-Inverting	4 / 4	3-State	24, 24	1.65V ~ 3.6V	-40°C ~ 85°C	48-TSSOP	Active

Engineering Selection Recommendations

Direct Functional Replacement (Identical Specifications):

The 74LVC162244APAG from IDT provides the closest functional match with identical electrical specifications (12mA output current, 2.7V ~ 3.6V supply voltage, -40°C ~ 85°C operating range) and maintains the same 4-element, 4-bit configuration. This part is currently in active production status and ROHS3 compliant, making it the primary choice for direct substitution.

Enhanced Specification Alternatives:

Parts from Nexperia (74LVC162244ADGG:11, 74LVCH162244ADGG,1) and NXP (74LVC16244ADGG,112, 74LVC16244ADGG,118) offer extended supply voltage range (1.2V ~ 3.6V) and expanded operating temperature range (-40°C ~ 125°C) while maintaining the required 12mA output current specification. These parts are actively produced and ROHS3 compliant, providing superior design margin for applications requiring lower voltage operation or higher temperature tolerance.

Higher Current Output Alternatives:

Parts from onsemi (74LCX16244MTDX, 74LCXH16244MTDX), NXP (74LVC16244ADGG,112, 74LVC16244ADGG,118), Texas Instruments (74LVCH16244ADGGRG4), and Texas Instruments (CLVC16244AIDGGREP) provide 24mA output current capability, exceeding the original 12mA specification. These are suitable for applications requiring higher drive capability while maintaining functional equivalence.

Avoid:

The 74LCXH16244MTDX from onsemi carries a "Last Time Buy" status, indicating limited future availability. The 74LVCH16244ADGGRG4 from Texas Instruments is discontinued at DiGi Electronics and should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher output current (24mA) in place of the original 12mA specification?

A: Yes. Higher output current capability is a superset of the original specification and maintains full backward compatibility. The circuit will function identically; the substitute simply provides additional drive capability that may remain unused.

Q: Are all substitute parts pin-compatible with the 74LVC162244APFG?

A: All listed substitutes maintain the same 48-pin configuration and functional pinout. However, package dimensions differ slightly between 48-TVSOP (original) and 48-TSSOP variants. PCB layout modifications may be required if the original design relied on specific package dimensions. Verify footprint compatibility before board redesign.

Q: What is the difference between 74LVC and 74LVCH series parts?

A: Both series provide non-inverting buffer functionality with identical pin configurations. The 74LVCH series (from Nexperia and Texas Instruments) offers extended operating temperature range (-40°C ~ 125°C) compared to standard 74LVC parts (-40°C ~ 85°C). Electrical performance and supply voltage specifications remain equivalent.

Q: Why do some substitutes specify lower minimum supply voltage (1.2V vs. 2.7V)?

A: Extended supply voltage range indicates the part operates across a wider input voltage window. The original 2.7V ~ 3.6V specification is fully contained within the 1.2V ~ 3.6V range of enhanced alternatives. This provides design flexibility for applications requiring lower voltage operation without compromising compatibility with the original 2.7V ~ 3.6V requirement.

Q: Which substitute offers the best long-term availability?

A: Parts from NXP Semiconductors (74LVC16244ADGG,112 and 74LVC16244ADGG,118) and Nexperia (74LVC162244ADGG:11 and 74LVCH162244ADGG,1) are actively produced with high inventory levels (6,547 to 57,260 units in stock) and active product status, ensuring sustained availability for future procurement.

Q: Is RoHS3 compliance maintained across all substitutes?

A: All listed active and recently discontinued substitutes maintain ROHS3 compliance. Verify compliance status for any parts selected outside this list.

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