74LVC373ADTR2G Equivalent & Substitute Parts

Part Overview

The 74LVC373ADTR2G is a D-Type Transparent Latch logic IC manufactured by onsemi, featuring an 8:8 channel configuration with tri-state output in a 20-TSSOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The device operates across a supply voltage range of 1.2V to 3.6V with a propagation delay of 1.5ns and output current capability of 24mA for both high and low states.

Substiute Parts

74LVC373ADTR2G

onsemiIn Stock: 87974LVC373ADTR2G Datasheet

Current PartRFQ

MC74LCX373DTR2G

onsemiIn Stock: 3007MC74LCX373DTR2G Datasheet

SimilarRFQ

SN74LVC373AQPWREP

Texas InstrumentsIn Stock: 1055SN74LVC373AQPWREP Datasheet

SimilarRFQ

74LVC373APW,118

NXP SemiconductorsIn Stock: 530674LVC373APW,118 Datasheet

Parametric EquivalentRFQ

74LVC573APW,118

Nexperia USA Inc.In Stock: 766074LVC573APW,118 Datasheet

Parametric EquivalentRFQ

74LVC573APW-Q100J

Nexperia USA Inc.In Stock: 107374LVC573APW-Q100J Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 74LVC373ADTR2G is determined by the following critical parameters: logic type (D-Type Transparent Latch), circuit configuration (8:8), output type (tri-state), package type (20-TSSOP), and electrical specifications including supply voltage range, propagation delay, and output current ratings.

Substitute parts are grouped into two categories:

Direct Substitutes (Same Base Product Number - 74LVC373): Parts sharing the identical 74LVC373 base product number with matching electrical and mechanical specifications. These include the MC74LCX373DTR2G (onsemi, 74LCX series), SN74LVC373AQPWREP (Texas Instruments, 74LVC series), and 74LVC373APW,118 (NXP Semiconductors, 74LVC series).

Parametric Equivalents (Related Base Product Numbers - 74LVC573): Parts with the 74LVC573 base product number that maintain identical functional specifications, circuit configuration, output characteristics, and package form factor. These include 74LVC573APW,118 and 74LVC573APW-Q100J (both Nexperia USA Inc., 74LVC series).

All substitute parts maintain the 20-TSSOP package, 8:8 circuit configuration, tri-state output, 1.5ns propagation delay, and 24mA output current specifications. Voltage supply ranges and operating temperature ranges vary among substitutes and must be verified against application requirements.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: SN74LVC373AQPWREP (Texas Instruments) and 74LVC573APW,118 (Nexperia USA Inc.) are active product alternatives with full parameter compatibility to the 74LVC373ADTR2G. Both maintain the complete operating temperature range (-40°C to 125°C), supply voltage range (1.2V to 3.6V or 1.65V to 3.6V), and ROHS3 compliance. These parts provide the highest availability and long-term procurement stability.

For Extended Temperature Applications: SN74LVC373AQPWREP maintains the full -40°C to 125°C operating range matching the original part specification.

For Automotive Applications: 74LVC573APW-Q100J includes AEC-Q100 automotive qualification and maintains full electrical and thermal specifications, suitable for automotive-grade designs.

For Lower Voltage Applications: MC74LCX373DTR2G operates from 2V minimum supply voltage (versus 1.2V for the main part) and is limited to -40°C to 85°C operating temperature. This part is suitable only for applications not requiring the full temperature range of the original specification.

All substitute parts maintain the 20-TSSOP package footprint, enabling direct PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can MC74LCX373DTR2G be used as a direct replacement for 74LVC373ADTR2G?

A: MC74LCX373DTR2G is functionally compatible but with parameter restrictions. The minimum supply voltage is 2V (versus 1.2V for the original), and the maximum operating temperature is 85°C (versus 125°C). Use this part only if your application operates within these constraints.

Q: What is the difference between 74LVC373 and 74LVC573 base product numbers?

A: Both share identical functional specifications, circuit configuration (8:8), output type (tri-state), propagation delay (1.5ns), and output current (24mA). The primary difference is the base product designation; both are electrically and mechanically interchangeable in the 20-TSSOP package.

Q: Are all substitute parts available in the same package?

A: Yes. All listed substitute parts are available in the 20-TSSOP (0.173", 4.40mm Width) surface mount package, ensuring PCB footprint compatibility without layout modifications.

Q: Which substitute part has the longest product lifecycle?

A: SN74LVC373AQPWREP (Texas Instruments) and 74LVC573APW,118 (Nexperia USA Inc.) are classified as active products, indicating ongoing manufacturing and long-term availability. The original 74LVC373ADTR2G is obsolete.

Q: Is the 74LVC573APW-Q100J suitable for automotive applications?

A: Yes. The 74LVC573APW-Q100J carries AEC-Q100 automotive qualification and maintains full electrical specifications including the -40°C to 125°C operating temperature range and 1.2V to 3.6V supply voltage range.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the compliance status of the original 74LVC373ADTR2G.