W152
Spread Aware鈩? Eight Output Zero Delay Buffer
Features
鈥?Spread Aware鈩⑩€攄esigned to work with SSFTG
reference signals
鈥?Two banks of four outputs each
鈥?Configuration options to halve, double, or quadruple
the reference frequency refer to
Table 1
to determine
the specific option which meets your multiplication
needs
鈥?Outputs may be three-stated
鈥?Available in 16-pin SOIC package
鈥?Extra strength output drive available (-11/-12 versions)
鈥?Contact factory for availability information on 16-pin
TSSOP
Output to Output Skew: Between Banks ..................... 215 ps
Output to Output Skew: Within Banks
(Refer to
Figure 4)
...................................................100 ps
Total Timing Budget Impact: ........................................ 555 ps
Max. Phase Error Variation: ......................................鹵225 ps
Tracking Skew:...........................................................鹵130 ps
Table 1. Configuration Options
Device
W152-1/11
[1]
W152-2/12
[2]
W152-2/12
[2]
W152-3
W152-3
W152-4
Feedback Signal
QA0:3 or QB0:3
QA0:3
QB0:3
QA0:3
QB0:3
QA0:3 or QB0:3
QA0:3
REFx1
REFx1
REFx2
REFx2
REFx4
REFx2
QB0:3
REFx1
REF/2
REFx1
REFx1
REFx2
REFx2
Key Specifications
Operating Voltage: ............................................... 3.3V鹵10%
Operating Range: .................... 15 MHz < f
OUTQA
< 140 MHz
Cycle-to-Cycle Jitter: (Refer to
Figure 3)
.................... 225 ps
Cycle-to-Cycle Jitter: Frequency Range
25 to140 MHz ......................................................... 125 ps
Notes:
1. W152-11 has stronger output drive than the W152-1.
2. W152-12 has stronger output drive than the W152-2.
Block Diagram
(present on the -3 and -4 only)
Pin Configuration
FBIN
REF
梅2
PLL
MUX
QA0
QA1
QA2
REF
QA0
QA1
VDD
GND
QB0
QB1
SEL1
QB0
QB1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
FBIN
QA3
QA2
VDD
GND
QB3
QB2
SEL0
SEL0
QA3
梅2
SEL1
(present on the -2, -12, and -3 only)
QB2
QB3
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
鈥?/div>
CA 95134 鈥?/div>
408-943-2600
June 14, 2000, rev. *B
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