74HC374DB,118 Equivalent & Substitute Parts

Part Overview

The 74HC374DB,118 is a D-Type flip-flop logic integrated circuit manufactured by Nexperia USA Inc., configured as a single 8-bit element with tri-state, non-inverted output. This component operates as a standard positive edge-triggered flip-flop in the 74HC logic family, housed in a 20-SSOP surface mount package. The part is currently listed as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity.

Substiute Parts

74HC374DB,118

Nexperia USA Inc.In Stock: 194274HC374DB,118 Datasheet

Current PartRFQ

74HC374PW,118

Nexperia USA Inc.In Stock: 142374HC374PW,118 Datasheet

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MC74HC374ADTR2G

onsemiIn Stock: 4926MC74HC374ADTR2G Datasheet

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MM74HC374MTCX

onsemiIn Stock: 12754MM74HC374MTCX Datasheet

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NLV74HC374ADTR2G

onsemiIn Stock: 3213NLV74HC374ADTR2G Datasheet

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SN74HC374APWR

Texas InstrumentsIn Stock: 3493SN74HC374APWR Datasheet

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SN74HC374DBR

Texas InstrumentsIn Stock: 1978SN74HC374DBR Datasheet

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SN74HC374PWR

Texas InstrumentsIn Stock: 65269SN74HC374PWR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74HC374DB,118 is determined by the following critical parameters:

Core Functional Parameters:

• Base product number (74HC374)
• Logic type (D-Type flip-flop)
• Number of elements (1) and bits per element (8)
• Output type (Tri-State, Non-Inverted)
• Trigger type (Positive Edge)
• Voltage supply range (2V to 6V)

Package Compatibility:

• Surface mount technology
• Pin count and signal routing (20-pin configuration)

Performance Considerations:

• Clock frequency capability
• Propagation delay specifications
• Operating temperature range
• Quiescent current and output drive capability

Substitute parts are grouped into two categories based on package type: 20-SSOP (same as original) and 20-TSSOP (smaller footprint, same pin count). All substitute parts maintain the core 74HC374 functional specification while varying in manufacturer, performance characteristics, and product status.

Parameter Comparison

Engineering Selection Recommendations

For Direct Package Replacement (20-SSOP): SN74HC374DBR (Texas Instruments) is the active substitute maintaining the original 20-SSOP package footprint. This part is currently in active production status and provides equivalent pin-to-pin compatibility with the obsolete 74HC374DB,118.

For Footprint Optimization (20-TSSOP): 74HC374PW,118 (Nexperia USA Inc.) provides the closest functional match with identical electrical specifications to the original part, transitioning to the smaller 20-TSSOP package. This part maintains active product status and is manufactured by the original supplier.

For Extended Temperature Range: MC74HC374ADTR2G and NLV74HC374ADTR2G (both onsemi) support the extended operating range of -55°C to 125°C, compared to the original -40°C to 125°C specification. MC74HC374ADTR2G is currently active; NLV74HC374ADTR2G is obsolete.

For High-Volume Availability: SN74HC374PWR (Texas Instruments) offers the highest inventory availability (65,200 pcs) in the 20-TSSOP package with active product status.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and equivalent functional performance within the 74HC374 logic family specification.

Frequently Asked Questions (FAQ)

Q: Can I use a 20-TSSOP package substitute in place of the original 20-SSOP package? A: No. While both packages contain 20 pins and maintain identical signal routing, the physical footprints differ. 20-SSOP has a 5.30mm width; 20-TSSOP has a 4.40mm width. PCB layout and land pattern modifications are required for package conversion.

Q: What is the functional difference between the Nexperia 74HC374PW,118 and Texas Instruments SN74HC374PWR? A: Both parts implement the 74HC374 D-Type flip-flop specification in 20-TSSOP packages. The Nexperia part maintains the original 83 MHz clock frequency and 28 ns propagation delay. The Texas Instruments part operates at 70 MHz with 31 ns propagation delay. Both are functionally compatible for standard logic applications.

Q: Why does the onsemi MM74HC374MTCX show higher propagation delay (40 ns) than other substitutes? A: The MM74HC374MTCX propagation delay is specified at 150 pF load capacitance, whereas other parts are specified at 50 pF. This represents a different measurement condition, not a functional deficiency. Verify load capacitance requirements in your application before selection.

Q: Is the obsolete NLV74HC374ADTR2G suitable for new designs? A: No. While technically compatible, obsolete parts are not recommended for new designs due to limited procurement availability and potential supply discontinuation. Select from active status parts: MC74HC374ADTR2G, SN74HC374APWR, SN74HC374DBR, or SN74HC374PWR.

Q: What is the difference between Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR) packaging? A: Both are reel-based packaging formats for automated assembly. Cut Tape & Digi-Reel® allows partial reel usage; Tape & Reel (TR) is standard continuous reel format. Functional performance is identical; selection depends on procurement and assembly process requirements.

Q: Can I substitute based on clock frequency alone? A: No. Clock frequency is one parameter among many. Verify propagation delay, operating temperature range, quiescent current, output drive capability, and package compatibility before substitution. All electrical and mechanical parameters must meet or exceed application requirements.