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Product Detailed Parameters
- Description：DUAL MARKED (5962-8671501FA)
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
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- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
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- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
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- Supplier Device Package：-
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Overview
The 25S18/BFA is a field-programmable single-output VersaClock synthesizer manufactured by IDT and distributed by Rochester Electronics. It operates on a 3.3 V supply and accepts input clock frequencies between 3 MHz and 150 MHz, generating output frequencies up to 200 MHz. The device utilizes Phase-Locked Loop (PLL) technology with an internal One-Time Programmable (OTP) ROM for configuration via four addressable registers. It supports spread spectrum modulation to reduce electromagnetic interference and includes a power-down feature that tri-states outputs.
Feature Summary
- Field programmability using internal OTP memory and configurable registers
- Spread spectrum modulation capability for EMI reduction
- Power-down mode that disables PLLs and tri-states outputs
- Replaces multiple discrete crystals and oscillators
Applications
- System clock generation in embedded electronics
- EMI reduction in high-speed digital circuits
- Replacing fixed-frequency crystal oscillators
Procurement Notes
Verify the specific suffix designation against the original manufacturer datasheet to confirm exact electrical characteristics and package type. Confirm the operational temperature range matches the application requirements. Ensure the OTP programming status aligns with the intended deployment. Validate the component's authenticity through authorized distribution channels.
Selection Notes
Select this component when a single programmable source must replace multiple fixed oscillators to save board space. Consider its 3.3 V operating voltage and input frequency limits. Evaluate the need for spread spectrum features for noise-sensitive designs. Verify compatibility with the system's required output frequency range up to 200 MHz.
Part Context
This part belongs to the IDT VersaClock family of low-cost, single-output clock synthesizers. These devices are designed to run from standard fundamental mode crystals or existing clocks. They utilize advanced CMOS processes for low power consumption and are available in RoHS-compliant packaging. The family aims to simplify clock tree design by integrating programmable synthesis capabilities.
Replacement Considerations
The 5P35021 is listed as a recommended alternative within the VersaClock 3S series. Verify pinout compatibility and register configuration differences before substitution.
