SN74ALVTH16244VR Equivalent & Substitute Parts

Part Overview

The SN74ALVTH16244VR is a Buffer, Non-Inverting logic IC manufactured by Texas Instruments, featuring 4 elements with 4 bits per element and 3-state output capability. This device operates across dual voltage supply ranges (2.3V–2.7V and 3V–3.6V) and is housed in a 48-TFSOP surface mount package. The product is classified as obsolete, making identification of functionally equivalent active alternatives essential for new designs and ongoing production requirements.

Substiute Parts

SN74ALVTH16244VR

Texas InstrumentsIn Stock: 2293SN74ALVTH16244VR Datasheet

Current PartRFQ

SN74ALVCH16244DGVR

Texas InstrumentsIn Stock: 947SN74ALVCH16244DGVR Datasheet

MFR RecommendedRFQ

74ALVT16244DGG,118

Nexperia USA Inc.In Stock: 528574ALVT16244DGG,118 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74ALVTH16244VR are selected based on strict electrical and mechanical compatibility criteria. The following parameters define valid substitution:

Primary Compatibility Criteria:

• Logic Type: Buffer, Non-Inverting (identical function)
• Number of Elements: 4 (identical configuration)
• Number of Bits per Element: 4 (identical configuration)
• Output Type: 3-State (identical output capability)
• Operating Temperature Range: -40°C to 85°C (identical thermal specification)
• Mounting Type: Surface Mount (identical assembly method)
• RoHS Status: ROHS3 Compliant (identical regulatory compliance)
• Moisture Sensitivity Level: 1 (identical handling requirements)

Secondary Compatibility Criteria:

• Voltage Supply Range: Must encompass or match the original specification
• Current Output Ratings: Must meet or exceed the original specification
• Package Type: Must be mechanically compatible with PCB footprint

Two substitute parts meet these criteria and are listed below.

Parameter Comparison

Engineering Selection Recommendations

SN74ALVCH16244DGVR (Texas Instruments)

This substitute maintains identical package dimensions (48-TFSOP, 0.173" width) and is the direct form-fit replacement. The device is in active production status, ensuring long-term availability. The voltage supply range (1.65V–3.6V) is broader than the original, providing enhanced flexibility for multi-voltage applications. Output current ratings (24mA, 24mA) are lower than the original specification; applications requiring the full 32mA/64mA output capability must be evaluated for compatibility. ROHS3 compliance and MSL-1 rating match the original specification.

74ALVT16244DGG,118 (Nexperia USA Inc.)

This substitute provides identical electrical specifications (32mA/64mA output current and 2.3V–2.7V, 3V–3.6V voltage supply) to the original device and is in active production. The package footprint differs (48-TFSOP, 0.240" width versus 0.173" width), requiring PCB layout verification before implementation. ROHS3 compliance and MSL-1 rating match the original specification.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVCH16244DGVR be used as a direct replacement for SN74ALVTH16244VR?

A: Yes, with electrical evaluation. The SN74ALVCH16244DGVR is mechanically and functionally compatible. However, the output current rating is reduced (24mA/24mA versus 32mA/64mA). Applications must be assessed to confirm that lower output current does not impact circuit performance.

Q: What is the primary difference between the two substitute parts?

A: SN74ALVCH16244DGVR offers lower output current but broader voltage supply range and identical package dimensions. 74ALVT16244DGG,118 matches the original output current specification but requires PCB footprint verification due to different package width (0.240" versus 0.173").

Q: Are both substitute parts ROHS3 compliant?

A: Yes, both SN74ALVCH16244DGVR and 74ALVT16244DGG,118 are ROHS3 compliant with MSL-1 rating, matching the original device specification.

Q: Can I use 74ALVT16244DGG,118 without PCB modifications?

A: No. The package width differs (0.240" versus 0.173"), requiring PCB layout verification and potential footprint adjustment before implementation.

Q: Which substitute is recommended for new designs?

A: Selection depends on application requirements. For applications requiring maximum output current (32mA/64mA) with minimal PCB changes, use 74ALVT16244DGG,118 with footprint verification. For applications where lower output current is acceptable, SN74ALVCH16244DGVR provides direct form-fit compatibility.