W170-01G Datasheet, PDF (1/6 Pages) Cypress Semiconductor – Spread Aware, Frequency Multiplier and Zero Delay Buffer

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
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
OUT1
0
0
2 X REF
OUT1
1
OUT1
0
0
4 X REF
1
REF
OUT1
1
1
8 X REF
OUT2
0
0
4 X REF
OUT2
1
0
8 X REF
OUT2
0
1
2 X REF
OUT2
1
1
16 X REF
OUT2
REF
2 X REF
REF/2
4 X REF
2 X REF
4 X REF
REF
8 X REF
Block Diagram
Pin Configuration
FBIN
FS0
÷Q
FS1
External feedback connection to
OUT1 or OUT2, not both
FBIN
1
IN
2
GND
3
FS0
4
8
OUT2
7
VDD
6
OUT1
5
FS1
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. **