251PMLF
ActiveFIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
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251PMLF
ActiveFIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
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Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | 251PMLF | 251 Series |
|---|---|---|
| - | - | |
| Differential - Input:Output | False | False |
| Divider/Multiplier | Yes/No | Yes/No |
| Frequency - Max [Max] | 200 MHz | 200 MHz |
| Input | Crystal, Clock | Crystal, Clock |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Circuits | 1 | 1 |
| Operating Temperature [Max] | 70 °C | 70 °C |
| Operating Temperature [Min] | 0 °C | 0 °C |
| Output | CMOS | CMOS |
| Package / Case | 8-SOIC | 8-SOIC |
| Package / Case [x] | 0.154 in | 0.154 in |
| Package / Case [y] | 3.9 mm | 3.9 mm |
| PLL | True | True |
| Ratio - Input:Output [custom] | 1:1 | 1:1 |
| Supplier Device Package | 8-SOIC | 8-SOIC |
| Type | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator |
| Voltage - Supply [Max] | 3.45 V | 3.45 V |
| Voltage - Supply [Min] | 3.15 V | 3.15 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 3.30 | |
| 10 | $ 2.48 | |||
| 97 | $ 2.05 | |||
| 291 | $ 2.03 | |||
251 Series
Field Programmable SS VersaClock Synthesizer
| Part | PLL | Ratio - Input:Output [custom] | Input | Type | Supplier Device Package | Output | Divider/Multiplier | Mounting Type | Number of Circuits | Frequency - Max [Max] | Package / Case | Package / Case [y] | Package / Case [x] | Operating Temperature [Max] | Operating Temperature [Min] | Differential - Input:Output | Voltage - Supply [Max] | Voltage - Supply [Min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Renesas Electronics Corporation 251PMILF | ||||||||||||||||||
Renesas Electronics Corporation 251PMLF | 1:1 | Clock, Crystal | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator | 8-SOIC | CMOS | Yes/No | Surface Mount | 1 | 200 MHz | 8-SOIC | 3.9 mm | 0.154 in | 70 °C | 0 °C | 3.45 V | 3.15 V | ||
Renesas Electronics Corporation 251PMLF |
Description
General part information
251 Series
The 251 is a low cost, single-output, field programmable clock synthesizer. The 251 can generate an output frequency from 314 kHz to 200 MHz and may employ Spread Spectrum techniques to reduce system electro-magnetic interference (EMI). Using IDT's VersaClock™ software to configure the PLL and output, the 251 contains a One-Time Programmable (OTP) ROM to allow field programmability. Programming features include 4 selectable configuration registers. The device employs Phase-Locked Loop (PLL) techniques to run from a standard fundamental mode, inexpensive crystal, or clock. It can replace multiple crystals and oscillators, saving board space and cost. The device also has a power-down feature that tri-states the clock outputs and turns off the PLLs when the PDTS pin is taken low. The 251 is also available in factory programmed custom versions for high-volume applications.
Documents
Technical documentation and resources