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P2814

Features: FCC approved method of EMI attenuationProvides up to 15 dB EMI reductionGenerates 1X, 2X, and 4X low EMI spread spectrum clock of the input frequency1X: P2811, 2X: P2812, 4X: P2814Optimized for input frequency range from 10 to 40 MHz P2811: 10 to 40 MHz P2812: 10 to 40 MHz P2814: 10 to 4...

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SeekIC No. : 004439123 Detail

P2814: Features: FCC approved method of EMI attenuationProvides up to 15 dB EMI reductionGenerates 1X, 2X, and 4X low EMI spread spectrum clock of the input frequency1X: P2811, 2X: P2812, 4X: P2814Optimize...

P2814 Data Sheet

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Part Number:
P2814
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

FCC approved method of EMI attenuation
Provides up to 15 dB EMI reduction
Generates 1X, 2X, and 4X low EMI spread spectrum clock of the input frequency
1X: P2811, 2X: P2812, 4X: P2814
Optimized for input frequency range from 10 to 40 MHz P2811: 10 to 40 MHz P2812: 10 to 40 MHz P2814: 10 to 40 MHz
Internal loop filter minimizes external components and board space
Selectable spread options: Down Spread and Center Spread
Low inherent cycle-to-cycle jitter
Eight spread % selections: ±0.625% to 3.5%
3.3 V operating voltage
CMOS/TTL compatible inputs and outputs
Pinout compatible with Cypress CY25811, CY25812, and CY25814
Products available for industrial temperature range
Available in 8-pin SOIC and TSSOP


Application

The P28xx is targeted towards EMI management for memory interfaces in mobile graphic chipsets and highspeed digital applications such as PC peripheral devices, consumer electronics, and embedded controller systems.




Pinout

Connection Diagram


Specifications

Symbol           Parameter                                                      Rating                 Unit
VDD, VIN        Voltage on any pin with respect to GND         -0.5 to + 7.0        V
TSTG              Storage temperatur                                        -65 to +125         °C
TA                  Operating temperature                                   0 to 70                 °C  


Description

The P2814 is a versatile spread spectrum frequency modulator designed specifically for input clock frequencies from 10 to 40 MHz (see Input/Output Frequency Range Selections). The P2814 can generate an EMI reduced clock from crystal, ceramic resonator, or system clock. The P28xx-A and P28xx-B offer various combinations of spread options and percentage deviations (see Output Frequency Deviation and Spread Option Selections section). These combinations include Down Spread, Center Spread and percentage deviation range from ±0.625% to -3.50%.

The P2814 reduces electromagnetic interference (EMI) at the clock source, allowing a system wide EMI reduction for
all the down stream clocks and data dependent signals. The P2814 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.




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