P1708C, P1708C-08SR, P1715L Selling Leads, Datasheet
MFG:PULSEC Package Cooled:SOP8 D/C:09+
P1708C, P1708C-08SR, P1715L Datasheet download
Part Number: P1708C
MFG: PULSEC
Package Cooled: SOP8
D/C: 09+
P1708C, P1708C-08SR, P1715L
- Table of contents:
Info of P1708C
Info of P1708C-08SR
Info of P1715L
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About P1708C
PDF/DataSheet Download
Datasheet: P1708C
File Size: 493611 KB
Manufacturer: ALSC [Alliance Semiconductor Corporation]
Download : Click here to Download
About P1708C-08SR
PDF/DataSheet Download
Datasheet: P1708C-08SR
File Size: 493611 KB
Manufacturer: ALSC [Alliance Semiconductor Corporation]
Download : Click here to Download
About P17/130
PDF/DataSheet Download
Datasheet: P17/130
File Size: 1131590 KB
Manufacturer: SEMIKRON [Semikron International]
Download : Click here to Download
P1708C General Description
The P1708C is a versatile spread spectrum frequency modulator designed specifically for input clock frequencies.
The P1708C reduces electromagnetic interference (EMI) at the clock source, allowing system wide reduction of EMI of down stream clock and data dependent signals. The P1708C allows significant system cost savings by reducing the number of circuit board layers ferrite beads, shielding and other passive components that are traditionally required to pass EMI regulations.
The P1708C modulates the output of a single PLL in order to "spread" the bandwidth of a synthesized clock, and more importantly, decreases the peak amplitudes of its harmonics. This results in significantly lower system EMI compared to the typical narrow band signal produced by oscillators and most frequency generators. Lowering EMI by increasing a signal's bandwidth is called 'spread spectrum clock generation'.
The P1708C uses the most efficient and optimized modulation profile approved by the FCC and is implemented in a proprietary all digital method.
The P1708C reduces electromagnetic interference (EMI) at the clock source, allowing system wide reduction of EMI of down stream clock and data dependent signals. The P1708C allows significant system cost savings by reducing the number of circuit board layers ferrite beads, shielding and other passive components that are traditionally required to pass EMI regulations.
The P1708C modulates the output of a single PLL in order to "spread" the bandwidth of a synthesized clock, and more importantly, decreases the peak amplitudes of its harmonics. This results in significantly lower system EMI compared to the typical narrow band signal produced by oscillators and most frequency generators. Lowering EMI by increasing a signal's bandwidth is called 'spread spectrum clock generation'.
The P1708C uses the most efficient and optimized modulation profile approved by the FCC and is implemented in a proprietary all digital method.
P1708C Maximum Ratings
| Symbol | Parameter | Rating | Unit |
| VDD, VIN | Voltage on any pin with respect to GND | -0.5 to + 7.0 | V |
| TSTG | Storage temperature | -65 to +125 | |
| TA | Operating temperature | 0 to 70 | |
| Note: These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for extended periods may affect device reliability. | |||
P1708C Features
·FCC approved method of EMI attenuation.
·Generates a low EMI spread spectrum clock of the input frequency.
·Optimized for frequency range from 50 to 110MHz.
·Internal loop filter minimizes external components and board space.
·Four selectable spread ranges.
·Low inherent cycle-to-cycle jitter.
·3.3V operating voltage range.
·TTL or CMOS compatible inputs and outputs.
·Ultra-low power CMOS design.
·8.46 mA @3.3V, 54MHz
·9.79 mA @3.3V, 65MHz
·12.06 mA @3.3V, 81MHz
·16.51 mA @3.3V, 108MHz
·Supports notebook VGA and other LCD timing controller applications.
·Pinout compatible to ICS MK1708 and Cypress CY25560.
·Generates a low EMI spread spectrum clock of the input frequency.
·Optimized for frequency range from 50 to 110MHz.
·Internal loop filter minimizes external components and board space.
·Four selectable spread ranges.
·Low inherent cycle-to-cycle jitter.
·3.3V operating voltage range.
·TTL or CMOS compatible inputs and outputs.
·Ultra-low power CMOS design.
·8.46 mA @3.3V, 54MHz
·9.79 mA @3.3V, 65MHz
·12.06 mA @3.3V, 81MHz
·16.51 mA @3.3V, 108MHz
·Supports notebook VGA and other LCD timing controller applications.
·Pinout compatible to ICS MK1708 and Cypress CY25560.
P1708C Typical Application
·The P1708C is targeted towards notebook LCD displays, and other displays using an LVDS interface, PC peripheral devices, and embedded systems.
P1708C Connection Diagram
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