W152
Spread Aware™, Eight Output Zero Delay Buffer
Features
Output to Output Skew: Between Banks .....................215 ps
• 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
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
Feedback Signal
[1]
QB0:3
QA0:3 or QB0:3
REFx1
REFx1
W152-2/12[2]
QA0:3
REFx1
REF/2
[2]
QB0:3
REFx2
REFx1
QA0:3
REFx2
REFx1
W152-1/11
W152-2/12
Key Specifications
QA0:3
W152-3
Operating Voltage: ............................................... 3.3V±10%
W152-3
QB0:3
REFx4
REFx2
Operating Range: ................... 15 MHz < fOUTQA < 140 MHz
W152-4
QA0:3 or QB0:3
REFx2
REFx2
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
Pin Configuration
(present on the -3 and -4 only)
FBIN
REF
÷2
PLL
REF
QA1
QA2
SEL0
QA3
÷2
16
FBIN
2
15
QA3
QA1
3
14
QA2
VDD
4
13
VDD
GND
5
12
GND
QB0
6
11
QB3
QB1
7
10
QB2
SEL1
QA0
1
QA0
MUX
8
9
SEL0
QB0
SEL1
QB1
QB2
(present on the -2, -12, and -3 only)
QB3
Spread Aware is a trademark of Cypress Semiconductor Corporation.
Cypress Semiconductor Corporation
Document #: 38-07148 Rev. *A
•
3901 North First Street
•
San Jose
•
CA 95134 • 408-943-2600
Revised December 14, 02
