74VHCT374AM Equivalent & Substitute Parts

Part Overview

The 74VHCT374AM is a D-Type flip-flop logic integrated circuit manufactured by onsemi, featuring 1 element with 8-bit positive edge triggering in a 20-SOIC surface mount package. This part is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and ongoing production requirements. The 74VHCT374AM operates at 130 MHz clock frequency with tri-state, non-inverted outputs and is suitable for digital logic applications requiring edge-triggered data storage.

Substiute Parts

74VHCT374AM

onsemiIn Stock: 205974VHCT374AM Datasheet

Current PartRFQ

74VHCT574AM

Fairchild SemiconductorIn Stock: 364674VHCT574AM Datasheet

Parametric EquivalentRFQ

SN74AHCT374DWR

Texas InstrumentsIn Stock: 54085SN74AHCT374DWR Datasheet

DirectRFQ

74AHCT374D,118

Nexperia USA Inc.In Stock: 301074AHCT374D,118 Datasheet

UpgradeRFQ

74AHCT374D-Q100J

Nexperia USA Inc.In Stock: 117174AHCT374D-Q100J Datasheet

UpgradeRFQ

SN74AHCT374DW

Texas InstrumentsIn Stock: 2515SN74AHCT374DW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74VHCT374AM are identified based on strict electrical and mechanical parameter compatibility. The following criteria determine valid substitution:

Critical Parameters for Substitution:

• Type: D-Type flip-flop with 1 element, 8-bit configuration
• Output Type: Tri-State capability
• Trigger Type: Positive Edge
• Clock Frequency: 130 MHz minimum
• Max Propagation Delay: 10.4 ns @ 5V, 50pF
• Current Output: 8 mA (High and Low)
• Voltage Supply: 4.5V ~ 5.5V
• Package: 20-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount

Substitute Categories:

Parametric Equivalent: 74VHCT574AM (Fairchild Semiconductor) - Maintains identical electrical specifications and 74VHCT series designation with active product status.

Direct Manufacturer Equivalent: SN74AHCT374DWR (Texas Instruments) - Functionally equivalent with 74AHCT series, active status, and tape & reel packaging.

Upgrade Options: 74AHCT374D,118 and 74AHCT374D-Q100J (Nexperia USA Inc.) - Enhanced specifications including extended operating temperature range (-40°C ~ 125°C) and automotive qualification (AEC-Q100) for 74AHCT374D-Q100J.

Alternative Equivalent: SN74AHCT374DW (Texas Instruments) - Parametric equivalent with last time buy status, tube packaging.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Active Status Priority): The SN74AHCT374DWR (Texas Instruments) is the primary recommendation for new designs and production. This part maintains all critical electrical parameters identical to the 74VHCT374AM, operates at the same supply voltage and frequency specifications, and carries active product status with ROHS3 compliance. Tape & reel packaging supports high-volume manufacturing requirements.

For Series Continuity: The 74VHCT574AM (Fairchild Semiconductor) provides parametric equivalence within the 74VHCT series family, maintaining the original series designation while offering active product status. This option is suitable for applications requiring series consistency.

For Extended Temperature Applications: The 74AHCT374D,118 and 74AHCT374D-Q100J (Nexperia USA Inc.) offer extended operating temperature range (-40°C ~ 125°C) compared to the standard -40°C ~ 85°C specification. The 74AHCT374D-Q100J includes automotive qualification (AEC-Q100) for applications requiring automotive-grade components.

For Existing Inventory Management: The SN74AHCT374DW (Texas Instruments) remains available under last time buy status with tube packaging, suitable for lower-volume applications or legacy system support.

Frequently Asked Questions (FAQ)

Q: Can the 74VHCT574AM be used as a direct substitute for the 74VHCT374AM? A: Yes. The 74VHCT574AM maintains identical electrical specifications including clock frequency (130 MHz), propagation delay (10.4 ns @ 5V, 50pF), output current (8 mA), supply voltage (4.5V ~ 5.5V), and package configuration (20-SOIC). The primary difference is product status: 74VHCT574AM is active while 74VHCT374AM is obsolete.

Q: What is the difference between 74VHCT and 74AHCT series parts? A: Both series meet the same electrical specifications for this 8-bit D-Type flip-flop configuration. The 74AHCT series (Texas Instruments, Nexperia) offers active product status and ROHS3 compliance, while the 74VHCT series represents the original family designation. Electrical performance is equivalent.

Q: Is the SN74AHCT374DWR suitable for high-volume production? A: Yes. The SN74AHCT374DWR is supplied in tape & reel (TR) packaging, which is standard for automated assembly and high-volume manufacturing. Inventory availability (54,050 pcs) supports production requirements.

Q: What is the significance of the extended temperature range in 74AHCT374D,118 and 74AHCT374D-Q100J? A: These parts operate from -40°C to 125°C, compared to -40°C to 85°C for the main part. This extended range is applicable to industrial and automotive environments requiring higher temperature tolerance. The 74AHCT374D-Q100J includes AEC-Q100 automotive qualification.

Q: Are all substitute parts RoHS compliant? A: The 74AHCT series parts (SN74AHCT374DWR, 74AHCT374D,118, 74AHCT374D-Q100J, SN74AHCT374DW) are ROHS3 compliant. The 74VHCT574AM RoHS status is not specified in available documentation.

Q: What packaging options are available for these substitutes? A: Packaging varies by manufacturer and part number: SN74AHCT374DWR is supplied in tape & reel; 74AHCT374D,118 and 74AHCT374D-Q100J in tape & reel; SN74AHCT374DW in tube; 74VHCT574AM in bulk. All maintain the 20-SOIC (0.295", 7.50mm Width) package footprint for PCB compatibility.

Q: Can input capacitance differences (3 pF vs 4 pF) affect circuit performance? A: Input capacitance differences between 3 pF and 4 pF are within normal component tolerance ranges and do not affect functional compatibility for standard logic applications. Both values are acceptable for the specified operating conditions.