CY74FCT16374ATPVC Equivalent & Substitute Parts

Part Overview

The CY74FCT16374ATPVC is a dual 8-bit D-type flip-flop logic integrated circuit 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 high-speed digital logic applications requiring parallel data storage and transfer.

The CY74FCT16374ATPVC carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance of systems utilizing this component.

Substiute Parts

CY74FCT16374ATPVC

Texas InstrumentsIn Stock: 1471CY74FCT16374ATPVC Datasheet

Current PartRFQ

SN74LVC16374ADLR

Texas InstrumentsIn Stock: 41674SN74LVC16374ADLR Datasheet

MFR RecommendedRFQ

74FCT16374ATPVG

Renesas Electronics CorporationIn Stock: 180074FCT16374ATPVG Datasheet

DirectRFQ

74FCT16374ATPVG8

Renesas Electronics CorporationIn Stock: 117374FCT16374ATPVG8 Datasheet

DirectRFQ

74FCT16374CTPVG

IDT, Integrated Device Technology IncIn Stock: 136174FCT16374CTPVG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CY74FCT16374ATPVC are classified based on strict electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

• Identical functional architecture: dual 8-bit D-type flip-flop with positive edge triggering
• Matching output configuration: tri-state, non-inverted outputs
• Compatible package: 48-BSSOP surface mount form factor
• Overlapping or compatible voltage supply ranges
• Matching or superior propagation delay specifications
• Equivalent or lower quiescent current consumption
• Identical operating temperature range: -40°C ~ 85°C

Substitute Categories:

Category 1: Direct Series Equivalents (74FCT Series) Parts maintaining the same 74FCT series designation with identical electrical characteristics and active product status. These include 74FCT16374ATPVG and 74FCT16374ATPVG8 from Renesas Electronics Corporation, and 74FCT16374CTPVG from IDT. These parts preserve the original 5V supply voltage specification and output drive characteristics.

Category 2: Low-Voltage Alternative (74LVC Series) The SN74LVC16374ADLR represents a functional equivalent operating at reduced supply voltage (1.65V ~ 3.6V) with lower quiescent current (20 µA versus 500 µA). This part maintains identical logic function and package form factor but operates across a broader voltage range suitable for mixed-signal and low-power applications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (5V Systems): Select 74FCT16374ATPVG, 74FCT16374ATPVG8, or 74FCT16374CTPVG when the design operates at 5V supply voltage and requires pin-for-pin compatibility. All three parts maintain active product status, ensuring long-term availability. The 74FCT16374CTPVG from IDT offers superior propagation delay performance (5.2ns versus 6.5ns), making it the preferred choice for timing-critical applications within the 74FCT series.

For Low-Power or Mixed-Signal Applications: The SN74LVC16374ADLR is suitable for designs operating at 3.3V or lower supply voltages. This part reduces quiescent current consumption to 20 µA, significantly lowering power dissipancy in battery-powered or low-power systems. The SN74LVC16374ADLR maintains active product status and ROHS3 compliance. Output drive current is reduced to 24mA symmetrical, which is adequate for standard logic-level interfacing but may require buffering for high-capacitance loads.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and operate across the identical temperature range (-40°C ~ 85°C). The CY74FCT16374ATPVC and SN74LVC16374ADLR feature MSL 1 (unlimited moisture sensitivity), while the Renesas 74FCT variants specify MSL 3 (168 hours), requiring controlled storage conditions.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVC16374ADLR replace the CY74FCT16374ATPVC in a 5V system? A: The SN74LVC16374ADLR operates at 1.65V ~ 3.6V supply voltage and is not rated for 5V operation. Direct substitution in 5V systems is not supported. Use 74FCT16374ATPVG, 74FCT16374ATPVG8, or 74FCT16374CTPVG for 5V applications.

Q: What is the difference between 74FCT16374ATPVG and 74FCT16374ATPVG8? A: Both parts are manufactured by Renesas Electronics Corporation with identical electrical specifications. The primary difference is packaging: 74FCT16374ATPVG is supplied in Tube packaging, while 74FCT16374ATPVG8 is supplied in Tape & Reel (TR) format. Electrical performance and pin configuration are identical.

Q: Why does 74FCT16374CTPVG have lower propagation delay than other 74FCT variants? A: The 74FCT16374CTPVG from IDT specifies 5.2ns maximum propagation delay at 5V with 50pF load, compared to 6.5ns for Renesas variants. This represents superior switching performance within the same 74FCT series and package form factor.

Q: Are all substitute parts available in the same 48-BSSOP package? A: Yes. All substitute parts listed maintain the 48-BSSOP (0.295", 7.50mm Width) surface mount package, ensuring mechanical and electrical pin compatibility with the original CY74FCT16374ATPVC.

Q: What is the significance of MSL (Moisture Sensitivity Level) differences? A: MSL 1 (unlimited) parts like the CY74FCT16374ATPVC and SN74LVC16374ADLR require no special moisture control during storage and handling. MSL 3 (168 hours) parts like the Renesas 74FCT variants must be stored in controlled humidity environments and have a limited shelf life after opening. Select MSL 1 parts for applications with less stringent storage requirements.

Q: Can output drive current differences affect circuit operation? A: The CY74FCT16374ATPVC and 74FCT variants provide 32mA high and 64mA low output drive. The SN74LVC16374ADLR provides symmetrical 24mA output drive. For standard logic-level loads, 24mA is adequate. High-capacitance loads or long PCB traces may require additional buffering with the SN74LVC16374ADLR.