器件名称: W170
功能描述: Spread Aware
文件大小: 103.72KB 共6页
简 介:W170-01
Spread Aware, Frequency Multiplier and Zero Delay Buffer
Features
Spread Aware—designed to work with SSFTG reference signals Two outputs Configuration options allow various multiplication of the reference frequency, refer to Table 1 to determine the specific option which meets your multiplication needs Available in 8-pin SOIC package Table 1. Configuration Options FBIN OUT1 OUT1 OUT1 OUT1 OUT2 OUT2 OUT2 OUT2 FS0 0 1 0 1 0 1 0 1 FS1 0 0 1 1 0 0 1 1 OUT1 2 X REF 4 X REF REF 8 X REF 4 X REF 8 X REF 2 X REF 16 X REF OUT2 REF 2 X REF REF/2 4 X REF 2 X REF 4 X REF REF 8 X REF
Key Specifications
Operating Voltage: ...........................3.3V±5% or 5.0V± 10% Operating Range: .......................20 MHz < fOUT1 < 133 MHz Absolute Jitter: ......................................................... ±500 ps Output to Output Skew: .............................................. 250 ps Propagation Delay: ................................................... ±350 ps Propagation delay is affected by input rise time.
Block Diagram
FBIN
External feedback connection to OUT1 or OUT2, not both
Pin Configuration
FBIN IN GND
1 2 3 4
8 7 6 5
OUT2 VDD OUT1 FS1
FS0 FS1 ÷Q
FS0
IN Reference Input
Phase Detector
Charge Pump
Loop Filter
Output Buffer VCO ÷2 Output Buffer
OUT1
OUT2
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134 408-943-2600 September 28, 1999, rev. **
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