74VHCT00AM NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74VHCT00AM is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74VHCT00AM operates within a 4.5V to 5.5V supply voltage range with a maximum propagation delay of 7.9ns at 5V with 50pF load. Substitute parts must maintain functional equivalence in logic operation, electrical performance, and physical compatibility while meeting current availability and compliance requirements.

Substiute Parts

74VHCT00AM

onsemiIn Stock: 1412074VHCT00AM Datasheet

Current PartRFQ

MC74VHCT00ADR2G

onsemiIn Stock: 1491MC74VHCT00ADR2G Datasheet

SimilarRFQ

SN74AHCT00DR

Texas InstrumentsIn Stock: 3104SN74AHCT00DR Datasheet

DirectRFQ

74AHCT00D,118

Nexperia USA Inc.In Stock: 360874AHCT00D,118 Datasheet

UpgradeRFQ

74AHCT00D-Q100J

Nexperia USA Inc.In Stock: 95674AHCT00D-Q100J Datasheet

UpgradeRFQ

SN74AHCT00MDREP

Texas InstrumentsIn Stock: 1172SN74AHCT00MDREP Datasheet

UpgradeRFQ

SN74AHCT00QDRG4Q1

Texas InstrumentsIn Stock: 3453SN74AHCT00QDRG4Q1 Datasheet

UpgradeRFQ

SN74AHCT00QDRQ1

Texas InstrumentsIn Stock: 3160SN74AHCT00QDRQ1 Datasheet

UpgradeRFQ

SN74AHCT00NSR

Texas InstrumentsIn Stock: 2905SN74AHCT00NSR Datasheet

SimilarRFQ

SN74AHCT00D

Texas InstrumentsIn Stock: 8219SN74AHCT00D Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74VHCT00AM is determined by strict adherence to the following electrical and mechanical parameters:

Critical Substitution Parameters:

• Logic type, circuit count, and input configuration (4-channel 2-input NAND gate)
• Supply voltage range compatibility (minimum 4.5V, maximum 5.5V)
• Output current capability (8mA high and low)
• Input logic levels (0.8V low threshold, 2V high threshold)
• Propagation delay performance (7.9ns @ 5V, 50pF)
• Package type (14-SOIC surface mount)
• Operating temperature range (-40°C minimum to 85°C minimum)

Substitute parts are grouped into the following categories based on parameter alignment:

Direct Substitutes: Parts with identical electrical specifications and 14-SOIC packaging, maintaining the exact same performance envelope as the 74VHCT00AM.

Compatible Upgrades: Parts with extended operating temperature ranges, enhanced supply voltage flexibility, or automotive-grade qualifications that maintain backward compatibility with the original specification.

Parametric Equivalents: Parts with identical functional and electrical performance but different packaging formats or product status classifications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement with Active Status: SN74AHCT00DR and SN74AHCT00D are direct electrical and mechanical equivalents to the 74VHCT00AM, both maintaining identical supply voltage range (4.5V ~ 5.5V) and operating temperature limits (-40°C ~ 85°C). SN74AHCT00DR is available in active status with Cut Tape and Digi-Reel packaging, providing the most straightforward substitution path. Both parts are ROHS3 compliant and maintain the 14-SOIC (0.154", 3.90mm) package footprint.

For Extended Temperature Range Applications: MC74VHCT00ADR2G, SN74AHCT00MDREP, SN74AHCT00QDRG4Q1, and SN74AHCT00QDRQ1 extend the operating temperature range to -55°C ~ 125°C or -40°C ~ 125°C, providing enhanced thermal performance for demanding environments. MC74VHCT00ADR2G additionally supports a lower supply voltage floor of 3V, enabling operation in broader voltage scenarios.

For Automotive Applications: 74AHCT00D-Q100J, SN74AHCT00QDRG4Q1, and SN74AHCT00QDRQ1 carry automotive-grade qualification (AEC-Q100) and extended temperature ratings, suitable for automotive and industrial applications requiring enhanced reliability certifications.

For Extended Temperature with Standard Packaging: 74AHCT00D,118 provides -40°C ~ 125°C operating range while maintaining the 4.5V ~ 5.5V supply specification and 14-SOIC package format, offering a balanced upgrade path.

All substitute parts maintain ROHS3 compliance and identical logic functionality (4-channel 2-input NAND gate) with 8mA output current capability and 7.9ns propagation delay performance.

Frequently Asked Questions (FAQ)

Q: Can SN74AHCT00NSR be used as a direct replacement for 74VHCT00AM? A: SN74AHCT00NSR maintains electrical equivalence but uses a different 14-SOIC package width (0.209", 5.30mm versus 0.154", 3.90mm). Physical board layout compatibility must be verified before substitution.

Q: What is the difference between 74VHCT and 74AHCT series parts? A: Both series are 4-channel 2-input NAND gates with identical electrical performance at the specified operating points. The 74AHCT series parts listed are active production alternatives to the obsolete 74VHCT00AM, with equivalent functionality and performance characteristics.

Q: Are all substitute parts ROHS3 compliant? A: All substitute parts listed maintain ROHS3 compliance status, consistent with the original 74VHCT00AM specification.

Q: Which substitute offers the widest operating temperature range? A: MC74VHCT00ADR2G, SN74AHCT00MDREP, SN74AHCT00QDRG4Q1, and SN74AHCT00QDRQ1 all support -55°C to 125°C or -40°C to 125°C operating ranges, compared to the original -40°C to 85°C specification.

Q: Can I use parts with extended voltage ranges like MC74VHCT00ADR2G in a 4.5V ~ 5.5V system? A: Yes. MC74VHCT00ADR2G supports 3V ~ 5.5V supply range, which encompasses the original 4.5V ~ 5.5V specification. Extended voltage capability provides additional design flexibility without compromising performance in the original voltage window.

Q: What packaging formats are available for active substitutes? A: Active substitute parts are available in Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube formats. Tape & Reel is the most common format for high-volume production applications.

Q: Are automotive-qualified versions available? A: Yes. 74AHCT00D-Q100J, SN74AHCT00QDRG4Q1, and SN74AHCT00QDRQ1 carry AEC-Q100 automotive qualification with extended temperature ratings suitable for automotive and industrial environments.