W170-01
| Model | W170-01 |
| Description | Spread Aware⑩, Frequency Multiplier and Zero Delay Buffer |
| PDF file | Total 6 pages (File size: 107K) |
| Chip Manufacturer | CYPRESS |
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 < 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.
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. **
