CLVTH16244AIDGVREP Equivalent & Substitute Parts

Part Overview

The CLVTH16244AIDGVREP is a non-inverting buffer logic IC manufactured by Texas Instruments, part of the 74LVTH series. This device functions as a 4-element, 4-bit buffer with 3-state output capability, designed for low-voltage applications operating between 2.7V and 3.6V. The component is housed in a 48-TVSOP package and is currently in active production status. Substitute parts are necessary to address supply chain variations, inventory availability, and equivalent functional requirements across different manufacturers and packaging options.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Series	74LVTH
Logic Type	Buffer, Non-Inverting
Number of Elements	4
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	32mA, 64mA
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)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the CLVTH16244AIDGVREP are classified based on strict adherence to the following electrical and mechanical parameters:

Core Substitution Criteria:

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Output Type: 3-State
Voltage - Supply: 2.7V ~ 3.6V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Base Product Number: 74LVT16244, 74LVTH162244, or 74LVTN16244

Allowed Variations:

Manufacturer: Texas Instruments, NXP Semiconductors, Fairchild Semiconductor, Nexperia USA Inc.
Series: 74LVT, 74LVTH, 74LVTN
Package / Case: 48-TFSOP or 48-TSSOP variants (different width specifications)
Current - Output High, Low: 12mA/12mA or 32mA/64mA (both acceptable within logic buffer specifications)
Packaging Format: Tape & Reel (TR) or Bulk
RoHS Status: ROHS3 Compliant or unspecified

All substitute parts maintain functional equivalence through identical logic configuration, voltage specifications, and temperature range. Package variations (TFSOP vs. TSSOP) and current drive capabilities represent acceptable trade-offs for component availability and application requirements.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements / Bits	Output Type	Current (High/Low)	Voltage Supply	Temp Range	Package	Status
CLVTH16244AIDGVREP	Texas Instruments	74LVTH	Buffer, Non-Inverting	4 / 4	3-State	32mA / 64mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TVSOP	Active
SN74LVT16244BDGVR	Texas Instruments	74LVT	Buffer, Non-Inverting	4 / 4	3-State	32mA / 64mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TVSOP	Active
74LVT162244BDL,118	NXP Semiconductors	74LVT	Buffer, Non-Inverting	4 / 4	3-State	12mA / 12mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-BSSOP	Active
74LVT162244MTDX	Fairchild Semiconductor	74LVT	Buffer, Non-Inverting	4 / 4	3-State	12mA / 12mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	Active
74LVT16244BDGG,118	NXP Semiconductors	74LVT	Buffer, Non-Inverting	4 / 4	3-State	32mA / 64mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	Active
74LVTH162244MTD	Fairchild Semiconductor	74LVTH	Buffer, Non-Inverting	4 / 4	3-State	12mA / 12mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	Active
74LVTH162244MTX	Fairchild Semiconductor	74LVTH	Buffer, Non-Inverting	4 / 4	3-State	12mA / 12mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	Active
74LVTN16244BDGG,11	Nexperia USA Inc.	74LVTN	Buffer, Non-Inverting	4 / 4	3-State	32mA / 64mA	2.7V ~ 3.6V	-40°C ~ 85°C	48-TFSOP	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and are suitable for direct replacement based on electrical and mechanical equivalence. Selection among substitutes should be determined by the following factors:

Current Drive Capability Matching: Parts with 32mA/64mA output current (CLVTH16244AIDGVREP, SN74LVT16244BDGVR, 74LVT16244BDGG,118, 74LVTN16244BDGG,11) provide identical drive specifications to the primary part. Parts with 12mA/12mA output current (74LVT162244BDL,118, 74LVT162244MTDX, 74LVTH162244MTD, 74LVTH162244MTX) represent lower-drive alternatives suitable for applications with reduced fanout requirements.

Package Compatibility: The primary part uses 48-TVSOP packaging. Direct footprint compatibility exists with 48-TFSOP variants (SN74LVT16244BDGVR, 74LVT162244MTDX, 74LVT16244BDGG,118, 74LVTH162244MTD, 74LVTH162244MTX, 74LVTN16244BDGG,11). The 48-BSSOP variant (74LVT162244BDL,118) requires PCB layout modification due to different package dimensions.

Compliance and Certification: Parts with ROHS3 Compliant status (CLVTH16244AIDGVREP, SN74LVT16244BDGVR, 74LVT16244BDGG,118, 74LVTN16244BDGG,11) meet regulatory requirements for restricted substance compliance. All parts maintain MSL 1 (Unlimited) moisture sensitivity or equivalent specifications.

Manufacturer and Series Considerations: Texas Instruments (74LVTH, 74LVT series), NXP Semiconductors (74LVT series), Fairchild Semiconductor (74LVT, 74LVTH series), and Nexperia USA Inc. (74LVTN series) all provide functionally equivalent devices. Series designation (74LVT, 74LVTH, 74LVTN) indicates minor generational or regional variations but does not affect core substitution eligibility.

Frequently Asked Questions (FAQ)

Q: Can SN74LVT16244BDGVR be used as a direct replacement for CLVTH16244AIDGVREP?

A: Yes. Both parts share identical electrical specifications (32mA/64mA output current, 2.7V–3.6V supply voltage, -40°C to 85°C operating range) and use the same 48-TVSOP package. The primary difference is the series designation (74LVT vs. 74LVTH) and manufacturer (Texas Instruments for both), which does not affect functional compatibility.

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

A: Both are thin shrink small-outline packages with 48 pins. The TVSOP variant (0.173", 4.40mm width) used in the primary part and TFSOP variants (0.240", 6.10mm width or 0.173", 4.40mm width depending on specification) differ in body width. Parts specified as 48-TFSOP with 0.173" width are footprint-compatible with the primary part. The 48-BSSOP package (0.295", 7.50mm width) requires PCB redesign.

Q: Can I use a substitute part with 12mA/12mA output current instead of 32mA/64mA?

A: Substitution is possible only if the application circuit does not require the higher current drive capability. The 12mA/12mA variants (74LVT162244BDL,118, 74LVT162244MTDX, 74LVTH162244MTD, 74LVTH162244MTX) are electrically compatible but support lower fanout. Verify that the receiving logic gates or loads do not exceed the reduced current specifications before substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Parts explicitly marked as ROHS3 Compliant (CLVTH16244AIDGVREP, SN74LVT16244BDGVR, 74LVT16244BDGG,118, 74LVTN16244BDGG,11) meet RoHS3 requirements. Other parts in the list do not specify RoHS status in the provided data. Verify RoHS compliance requirements with your procurement or regulatory team before selecting parts without explicit compliance designation.

Q: What is the significance of the series designation (74LVT, 74LVTH, 74LVTN)?

A: Series designations indicate product family and generational variants. 74LVT represents the base low-voltage TTL-compatible series. 74LVTH represents an enhanced variant. 74LVTN represents a Nexperia variant. All three series maintain identical electrical specifications for this buffer function and are substitution-eligible based on the provided parameters.

Q: Can I mix different manufacturers in the same circuit board?

A: Yes. All substitute parts meet identical electrical and mechanical specifications for the buffer function. Mixing manufacturers (Texas Instruments, NXP Semiconductors, Fairchild Semiconductor, Nexperia USA Inc.) within the same application is permissible from a functional standpoint. Verify that your procurement, quality, and supply chain policies do not restrict multi-source component usage.

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