74ALVC16244APAG Equivalent & Substitute Parts

Part Overview

The 74ALVC16244APAG is a non-inverting buffer IC manufactured by Renesas Electronics Corporation, designed for 4-element, 4-bit-per-element logic buffering with 3-state output capability. This component operates across a 2.7V to 3.6V supply voltage range and is housed in a 48-TSSOP package. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

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	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-TFSOP (0.240", 6.10mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the 74ALVC16244APAG is determined by the following critical parameters:

Logic type (Buffer, Non-Inverting)
Element and bit configuration (4 elements, 4 bits per element)
Output type (3-State)
Output current capability (24mA minimum for High and Low)
Supply voltage range (minimum 2.7V support required)
Operating temperature range (-40°C to 85°C)
Package compatibility (48-TSSOP or mechanically equivalent packages)

Substitute parts are grouped into two categories:

Parametric Equivalents maintain identical electrical specifications and package form factors, differing only in manufacturer or product status (Active vs. Obsolete).

Manufacturer Recommended Alternatives provide the same functional performance with variations in supply voltage range (extended to 1.2V or 1.65V minimum), output current (reduced to 12mA in 74ALVCH series), or package form factor (48-SSOP vs. 48-TSSOP), while maintaining full compatibility with the original design intent.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Output Current (mA)	Supply Voltage	Package	Product Status
74ALVC16244APAG	Renesas Electronics	74ALVC	Buffer, Non-Inverting	24, 24	2.7V ~ 3.6V	48-TFSOP	Obsolete
74ALVC162244PAG	IDT	74ALVC	Buffer, Non-Inverting	24, 24	2.7V ~ 3.6V	48-TFSOP	Active
74LVC16244APAG	Renesas Electronics	74LVC	Buffer, Non-Inverting	24, 24	2.7V ~ 3.6V	48-TFSOP	Active
74ALVC16244DGG,118	Nexperia USA Inc.	74ALVC	Buffer, Non-Inverting	24, 24	1.2V ~ 3.6V	48-TFSOP	Active
74ALVC16244MTDX	Fairchild Semiconductor	74ALVC	Buffer, Non-Inverting	24, 24	1.65V ~ 3.6V	48-TFSOP	Active
SN74ALVC16244ADGGR	Texas Instruments	74ALVC	Buffer, Non-Inverting	24, 24	1.65V ~ 3.6V	48-TFSOP	Active
SN74ALVC16244ADL	Texas Instruments	74ALVC	Buffer, Non-Inverting	24, 24	1.65V ~ 3.6V	48-BSSOP	Active
SN74ALVC16244ADLR	Texas Instruments	74ALVC	Buffer, Non-Inverting	24, 24	1.65V ~ 3.6V	48-BSSOP	Active
SN74ALVCH162244DL	Texas Instruments	74ALVCH	Buffer, Non-Inverting	12, 12	1.65V ~ 3.6V	48-BSSOP	Active
SN74ALVCH162244DLR	Texas Instruments	74ALVCH	Buffer, Non-Inverting	12, 12	1.65V ~ 3.6V	48-BSSOP	Active
SN74ALVCH162244GR	Texas Instruments	74ALVCH	Buffer, Non-Inverting	12, 12	1.65V ~ 3.6V	48-TFSOP	Active

Engineering Selection Recommendations

Direct Replacements (Highest Compatibility)

The 74ALVC162244PAG (IDT) and 74LVC16244APAG (Renesas) provide identical electrical and mechanical specifications to the original 74ALVC16244APAG. Both are Active status components with full RoHS3 compliance and MSL Level 1 rating, ensuring immediate design continuity without circuit modification.

Primary Alternatives (48-TFSOP Package)

The 74ALVC16244DGG,118 (Nexperia), 74ALVC16244MTDX (Fairchild), SN74ALVC16244ADGGR (Texas Instruments), and SN74ALVCH162244GR (Texas Instruments) maintain the 48-TFSOP package footprint. The Nexperia and Fairchild options extend minimum supply voltage support to 1.2V and 1.65V respectively, providing enhanced flexibility for low-voltage applications. The SN74ALVCH162244GR reduces output current to 12mA but maintains the same package, suitable for designs where lower drive capability is acceptable.

Secondary Alternatives (48-BSSOP Package)

The SN74ALVC16244ADL, SN74ALVC16244ADLR, SN74ALVCH162244DL, and SN74ALVCH162244DLR use the 48-BSSOP package (0.295", 7.50mm width), which differs mechanically from the original 48-TFSOP. These options require PCB layout modification but offer Active product status and extended supply voltage ranges. The 74ALVCH variants reduce output current to 12mA.

All substitute parts maintain RoHS3 compliance and MSL Level 1 moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can I use 74LVC16244APAG as a direct replacement for 74ALVC16244APAG?

A: Yes. The 74LVC16244APAG shares identical electrical specifications (24mA output current, 2.7V–3.6V supply range, -40°C to 85°C operating temperature) and package form factor (48-TFSOP). The primary difference is the series designation (74LVC vs. 74ALVC), which reflects manufacturing lineage but does not affect functional compatibility. Both are RoHS3 compliant with MSL Level 1 rating.

Q: What is the difference between 48-TFSOP and 48-BSSOP packages?

A: Both are surface-mount packages with 48 pins, but differ in physical dimensions. The 48-TFSOP measures 0.240" (6.10mm) in width, while the 48-BSSOP measures 0.295" (7.50mm) in width. PCB footprints are not interchangeable; selecting a different package requires layout redesign and re-qualification of the assembly process.

Q: Why do some substitutes have lower output current (12mA vs. 24mA)?

A: The 74ALVCH series variants (SN74ALVCH162244DL, SN74ALVCH162244DLR, SN74ALVCH162244GR) are optimized for lower power consumption and reduced electromagnetic interference. The 12mA output current is sufficient for standard logic-level signaling but may not support high-capacitance or heavily loaded bus applications. Verify that your circuit's load impedance and fanout requirements are compatible with reduced drive capability before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification and MSL Level 1 moisture sensitivity rating, meeting standard industrial and commercial manufacturing requirements.

Q: Can I use parts with extended supply voltage ranges (1.2V or 1.65V minimum) in a 2.7V–3.6V design?

A: Yes. Extended supply voltage ranges are backward compatible. A part rated for 1.2V–3.6V operation functions correctly in a 2.7V–3.6V application. The extended range provides additional design flexibility for future low-voltage applications but does not affect performance in the original voltage window.

Q: What is the inventory status of these substitute parts?

A: All listed substitute parts are available as new original stock. Inventory quantities range from 782 to 4888 pieces across multiple suppliers and packaging options, ensuring supply chain continuity for production requirements.

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