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參數(shù)資料
| 型號： | W152-3X |
| 英文描述： | Eight Distributed-Output Clock Driver |
| 中文描述： | 八分布式輸出時鐘驅(qū)動器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 142K |
| 代理商： | W152-3X |
Spread Aware, Eight Output Zero Delay Buffer
W152
Cypress Semiconductor Corporation
Document #: 38-07148 Rev. **
3901 North First Street
San Jose
CA 95134
Revised September 24, 2001
408-943-2600
Features
Spread Aware—designed to work with SSFTG
reference signals
Two banks of four outputs each
Configuration options to halve, double, or quadruple
the reference frequency refer to
Table 1
to determine
the specific option which meets your multiplication
needs
Outputs may be three-stated
Available in 16-pin SOIC package
Extra strength output drive available (-11/-12 versions)
Contact factory for availability information on 16-pin
TSSOP
Key Specifications
Operating Voltage: ............................................... 3.3V±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
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:.......................................±225 ps
Tracking Skew:..........................................................±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
Notes:
1.
2.
W152-11 has stronger output drive than the W152-1.
W152-12 has stronger output drive than the W152-2.
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Block Diagram
Pin Configuration
QA0
PLL
REF
MUX
QA1
QA2
QA3
QB0
QB1
÷
2
SEL0
FBIN
QB2
QB3
SEL1
÷
2
(present on the -3 and -4 only)
(present on the -2, -12, and -3 only)
FBIN
QA3
QA2
VDD
GND
QB3
QB2
SEL0
16
15
14
13
12
11
10
9
REF
QA0
QA1
VDD
GND
QB0
QB1
SEL1
1
2
3
4
5
6
7
8
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