CY74FCT16374TPVC Equivalent & Substitute Parts

Part Overview

The CY74FCT16374TPVC is a dual 8-bit D-type flip-flop logic IC manufactured by Texas Instruments, housed in a 48-BSSOP surface mount package. This component functions as a standard positive edge-triggered flip-flop with tri-state, non-inverted outputs, designed for digital logic applications requiring high-speed data latching and storage.

The CY74FCT16374TPVC is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this component.

Substiute Parts

CY74FCT16374TPVC

Texas InstrumentsIn Stock: 2451CY74FCT16374TPVC Datasheet

Current PartRFQ

SN74LVC16374ADLR

Texas InstrumentsIn Stock: 41674SN74LVC16374ADLR Datasheet

MFR RecommendedRFQ

74FCT16374ATPVG

Renesas Electronics CorporationIn Stock: 180074FCT16374ATPVG Datasheet

MFR RecommendedRFQ

74FCT16374ATPVG8

Renesas Electronics CorporationIn Stock: 117374FCT16374ATPVG8 Datasheet

MFR RecommendedRFQ

74FCT16374CTPVG

IDT, Integrated Device Technology IncIn Stock: 136174FCT16374CTPVG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CY74FCT16374TPVC is determined by the following critical parameters:

Functional Compatibility Requirements:

• Type: D-Type Flip-Flop (2 elements, 8 bits per element)
• Output Configuration: Tri-State, Non-Inverted
• Trigger Type: Positive Edge
• Package: 48-BSSOP surface mount

Electrical Compatibility Requirements:

• Voltage Supply Range: Must support 4.5V ~ 5.5V operation
• Output Drive Capability: Minimum 32mA (high) / 64mA (low)
• Operating Temperature: -40°C ~ 85°C
• Quiescent Current: Maximum 500 µA

Compliance Requirements:

• RoHS3 Compliant
• REACH Unaffected
• ECCN: EAR99

Substitute parts are grouped into two categories based on voltage domain and performance characteristics:

Category 1: 74FCT Series (5V Domain) - Direct Functional Equivalents Parts maintaining the original 4.5V ~ 5.5V supply voltage range with identical output drive specifications and quiescent current ratings.

Category 2: 74LVC Series (3.3V Domain) - Voltage-Domain Alternative Parts operating in the 1.65V ~ 3.6V supply range, suitable for applications where voltage domain conversion is acceptable and the lower quiescent current is beneficial.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (5V Domain Applications):

The 74FCT16374ATPVG, 74FCT16374ATPVG8, and 74FCT16374CTPVG are active product alternatives within the 74FCT series. All three maintain the original 4.5V ~ 5.5V supply voltage range, identical output drive specifications (32mA / 64mA), and equivalent quiescent current (500 µA). These parts are functionally interchangeable with the obsolete CY74FCT16374TPVC.

Selection among these three should be based on:

• Packaging format availability (Tube, Tape & Reel, or Bulk)
• Manufacturer preference and supply chain qualification
• Moisture sensitivity level requirements (74FCT16374CTPVG offers MSL 1 rating; 74FCT16374ATPVG and 74FCT16374ATPVG8 are MSL 3)
• Propagation delay specifications if timing-critical applications require optimization

For Voltage-Domain Alternative (3.3V Applications):

The SN74LVC16374ADLR operates in the 1.65V ~ 3.6V supply range and is suitable only for applications where the system voltage domain permits 3.3V operation. This part offers reduced quiescent current (20 µA versus 500 µA) and lower output drive capability (24mA / 24mA versus 32mA / 64mA). The SN74LVC16374ADLR is appropriate for low-power applications or systems already operating at 3.3V logic levels.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVC16374ADLR directly replace the CY74FCT16374TPVC in a 5V system?

A: No. The SN74LVC16374ADLR operates at 1.65V ~ 3.6V supply voltage and is not rated for 5V operation. Direct substitution in a 5V system would result in component damage or malfunction. Use only the 74FCT series alternatives (74FCT16374ATPVG, 74FCT16374ATPVG8, or 74FCT16374CTPVG) for 5V applications.

Q: What is the difference between 74FCT16374ATPVG and 74FCT16374ATPVG8?

A: Both parts are manufactured by Renesas Electronics and share identical electrical specifications. The primary difference is packaging format: 74FCT16374ATPVG is supplied in Tube packaging, while 74FCT16374ATPVG8 is supplied in Tape & Reel format. Electrical performance and pin configuration are identical.

Q: Does the MSL rating difference affect substitution eligibility?

A: MSL (Moisture Sensitivity Level) rating affects storage and handling requirements, not functional compatibility. The CY74FCT16374TPVC has MSL 1 (unlimited shelf life), while 74FCT16374ATPVG and 74FCT16374ATPVG8 have MSL 3 (168-hour limit after moisture exposure). For applications with extended storage or high-humidity environments, 74FCT16374CTPVG (MSL 1) is preferred.

Q: Are all substitute parts in the same 48-BSSOP package?

A: Yes. All substitute parts listed use the 48-BSSOP (0.295", 7.50mm Width) surface mount package, ensuring mechanical and electrical pin compatibility with the original CY74FCT16374TPVC.

Q: What is the propagation delay difference between 74FCT16374CTPVG and other 74FCT alternatives?

A: The 74FCT16374CTPVG has a maximum propagation delay of 5.2ns @ 5V, 50pF, compared to 6.5ns for 74FCT16374ATPVG and 74FCT16374ATPVG8. For timing-critical applications, 74FCT16374CTPVG offers faster switching performance.

Q: Can I use the SN74LVC16374ADLR in a mixed-voltage system with level shifting?

A: The SN74LVC16374ADLR is a 3.3V logic device and requires appropriate level-shifting circuitry if interfacing with 5V logic. This is an application-level design consideration beyond component substitution. Consult system-level design requirements before implementing voltage-domain alternatives.