W152
Spread Aware™, Eight Output Zero Delay Buffer
Output to Output Skew: Between Banks.....................215 ps
Features
Output to Output Skew: Within Banks
• 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
(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
• Outputs may be three-stated
Device
W152-1/11[1]
W152-2/12[2]
W152-2/12[2]
W152-3
Feedback Signal
QA0:3 or QB0:3
QA0:3
QA0:3
REFx1
REFx1
REFx2
REFx2
REFx4
REFx2
QB0:3
REFx1
REF/2
REFx1
REFx1
REFx2
REFx2
• Available in 16-pin SOIC package
• Extra strength output drive available (-11/-12 versions)
• Contact factory for availability information on 16-pin
TSSOP
QB0:3
Key Specifications
QA0:3
Operating Voltage: ............................................... 3.3V±10%
Operating Range: ................... 15 MHz < fOUTQA < 140 MHz
Cycle-to-Cycle Jitter: (Refer to Figure 3) .................... 225 ps
W152-3
QB0:3
W152-4
QA0:3 or QB0:3
Notes:
1. W152-11 has stronger output drive than the W152-1.
2. W152-12 has stronger output drive than the W152-2.
Cycle-to-Cycle Jitter: Frequency Range
25 to140 MHz ......................................................... 125 ps
Block Diagram
Pin Configuration
(present on the -3 and -4 only)
FBIN
REF
÷2
PLL
REF
QA0
QA1
VDD
GND
QB0
QB1
SEL1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
FBIN
QA3
QA2
VDD
GND
QB3
QB2
SEL0
MUX
QA0
QA1
QA2
SEL0
SEL1
QA3
÷2
QB0
QB1
QB2
QB3
(present on the -2, -12, and -3 only)
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
•
3901 North First Street
•
San Jose
•
CA 95134
•
408-943-2600
Document #: 38-07148 Rev. *A
Revised December 14, 02