參數(shù)資料
型號: W170
廠商: Cypress Semiconductor Corp.
英文描述: Spread Aware⑩, Frequency Multiplier and Zero Delay Buffer
中文描述: ⑩傳播意識到,倍頻器和零延遲緩沖器
文件頁數(shù): 1/6頁
文件大?。?/td> 103K
代理商: W170
Spread Aware, Frequency Multiplier and Zero Delay Buffer
W170-01
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
September 28, 1999, rev. **
408-943-2600
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
Key Specifications
Operating Voltage: ...........................3.3V±5% or 5.0V± 10%
Operating Range: .......................20 MHz < f
OUT1
< 133 MHz
Absolute Jitter: ......................................................... ±500 ps
Output to Output Skew: .............................................. 250 ps
Propagation Delay: ................................................... ±350 ps
Propagation delay is affected by input rise time.
Table 1. Configuration Options
FBIN
FS0
FS1
OUT1
OUT2
OUT1
0
0
2 X REF
REF
OUT1
1
0
4 X REF
2 X REF
OUT1
0
1
REF
REF/2
OUT1
1
1
8 X REF
4 X REF
OUT2
0
0
4 X REF
2 X REF
OUT2
1
0
8 X REF
4 X REF
OUT2
0
1
2 X REF
REF
OUT2
1
1
16 X REF
8 X REF
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Block Diagram
Pin Configuration
÷Q
FS0
FS1
Reference
Input
FBIN
Phase
Detector
Charge
Pump
Loop
Filter
VCO
÷2
Output
Buffer
OUT1
OUT2
Output
Buffer
External feedback connection to
OUT1 or OUT2, not both
IN
OUT2
VDD
OUT1
FS1
8
7
6
5
FBIN
IN
GND
FS0
1
2
3
4
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