W152_02 Datasheet, PDF (1/8 Pages) Cypress Semiconductor – Spread Aware™, Eight Output Zero Delay Buffer

W152
Spread Aware™, Eight Output Zero Delay Buffer
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]
Feedback Signal
QA0:3 or QB0:3
QA0:3
QB0:3
QA0:3
REFx1
REFx1
REFx2
W152-3
QA0:3
REFx2
W152-3
QB0:3
REFx4
W152-4
QA0:3 or QB0:3 REFx2
Notes:
1. W152-11 has stronger output drive than the W152-1.
2. W152-12 has stronger output drive than the W152-2.
QB0:3
REFx1
REF/2
REFx1
REFx1
REFx2
REFx2
Block Diagram
Pin Configuration
FBIN
REF
(present on the -3 and -4 only)
÷2
PLL
MUX
SEL0
SEL1
÷2
(present on the -2, -12, and -3 only)
QA0
QA1
QA2
QA3
QB0
QB1
QB2
QB3
REF
1
QA0
2
QA1
3
VDD
4
GND
5
QB0
6
QB1
7
SEL1
8
16
FBIN
15
QA3
14
QA2
13
VDD
12
GND
11
QB3
10
QB2
9
SEL0
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