74FCT3807SOGI Clock Fanout Buffer - Equivalent & Substitute Parts

Part Overview

The 74FCT3807SOGI is an active Clock Fanout Buffer (Distribution) IC manufactured by Renesas Electronics Corporation. This 1:10 clock distribution device operates at a maximum frequency of 100 MHz and is designed for applications requiring reliable clock signal distribution across multiple endpoints. The part is currently in active production status with 809 units available in inventory. Alternative equivalent and substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity.

Substiute Parts

74FCT3807SOGI

Renesas Electronics CorporationIn Stock: 84274FCT3807SOGI Datasheet

Current PartRFQ

74FCT3807ASOGI

Renesas Electronics CorporationIn Stock: 136574FCT3807ASOGI Datasheet

Parametric EquivalentRFQ

NB3V8312CFAG

onsemiIn Stock: 2192NB3V8312CFAG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74FCT3807SOGI are identified based on the following critical parameters that determine functional compatibility:

Primary Equivalence Criteria:

• Type: Fanout Buffer (Distribution)
• Number of Circuits: 1
• Differential Input/Output: No/No
• Operating Temperature Range: -40°C ~ 85°C
• RoHS3 Compliance
• Surface Mount Technology

Parametric Equivalent Classification: The 74FCT3807ASOGI maintains identical electrical and mechanical specifications to the main part, including the 1:10 distribution ratio, 100 MHz maximum frequency, 20-SOIC package, and 3V ~ 3.6V supply voltage range. This part is classified as a parametric equivalent suitable for direct substitution.

Manufacturer Recommended Substitute Classification: The NB3V8312CFAG is classified as a manufacturer-recommended substitute with enhanced performance characteristics. While it maintains the core fanout buffer function and operating temperature range, it differs in distribution ratio (1:12 versus 1:10), maximum frequency (250 MHz versus 100 MHz), package type (32-LQFP versus 20-SOIC), and supply voltage range (1.6V ~ 3.465V versus 3V ~ 3.6V). This part is suitable for applications where higher frequency capability and increased output count are beneficial, provided package and pinout compatibility are verified.

Parameter Comparison

Engineering Selection Recommendations

For Direct Substitution (Pin-for-Pin Compatible): The 74FCT3807ASOGI is recommended as the primary substitute when direct replacement is required. Both parts share identical electrical specifications, package geometry, and pinout configuration. Both maintain active production status and ROHS3 compliance with unlimited moisture sensitivity rating. This substitution requires no circuit redesign or board layout modification.

For Performance-Enhanced Applications: The NB3V8312CFAG is recommended when design specifications permit package and pinout changes. This part offers enhanced frequency capability (250 MHz versus 100 MHz) and increased output distribution (1:12 versus 1:10), supporting higher-speed clock distribution requirements. The wider supply voltage range (1.6V ~ 3.465V) provides additional design flexibility. However, the 32-LQFP package requires board layout redesign, and the increased moisture sensitivity level (MSL 2) requires controlled storage conditions. All three parts maintain active production status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the 74FCT3807ASOGI be used as a direct replacement for the 74FCT3807SOGI? A: Yes. The 74FCT3807ASOGI is a parametric equivalent with identical electrical and mechanical specifications, including the same 20-SOIC package, 1:10 distribution ratio, 100 MHz maximum frequency, and 3V ~ 3.6V supply voltage range. No circuit or board modifications are required.

Q: What are the key differences between the 74FCT3807SOGI and the NB3V8312CFAG? A: The NB3V8312CFAG differs in three primary areas: (1) Distribution ratio is 1:12 instead of 1:10, providing two additional output channels; (2) Maximum frequency is 250 MHz instead of 100 MHz, supporting higher-speed applications; (3) Package is 32-LQFP instead of 20-SOIC, requiring board layout redesign. The supply voltage range is also wider (1.6V ~ 3.465V versus 3V ~ 3.6V).

Q: Is the NB3V8312CFAG suitable for applications currently using the 74FCT3807SOGI? A: The NB3V8312CFAG is suitable only if the application design permits package and pinout changes. The different package type (32-LQFP versus 20-SOIC) requires board layout modification. The enhanced frequency capability and additional output channels are beneficial for higher-speed clock distribution requirements. Verify that the application's clock frequency requirements do not exceed 100 MHz before selecting this part, as it is designed for higher-frequency applications.

Q: Are all three parts RoHS compliant? A: Yes. All three parts (74FCT3807SOGI, 74FCT3807ASOGI, and NB3V8312CFAG) are ROHS3 compliant and suitable for applications with RoHS requirements.

Q: What is the moisture sensitivity difference between these parts? A: The 74FCT3807SOGI and 74FCT3807ASOGI both have MSL 1 (Unlimited), requiring no special moisture control during storage or handling. The NB3V8312CFAG has MSL 2 (1 Year), requiring controlled storage conditions and moisture barrier packaging for extended shelf life.

Q: Can the 74FCT3807SOGI operate at frequencies higher than 100 MHz? A: No. The maximum specified frequency for the 74FCT3807SOGI is 100 MHz. For applications requiring higher-frequency clock distribution, the NB3V8312CFAG supports frequencies up to 250 MHz, provided package and pinout compatibility can be accommodated.