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CY7B9945V-2AC Datasheet(PDF) 8 Page - Cypress Semiconductor

Part # CY7B9945V-2AC
Description  High-speed Multi-phase PLL Clock Buffer
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7B9945V-2AC Datasheet(HTML) 8 Page - Cypress Semiconductor

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CY7B9945V
Document #: 38-07336 Rev. *D
Page 8 of 10
AC Test Loads and Waveforms[23]
AC Timing Diagram
Notes:
20. UI = unit interval. Examples: 1 UI is a full period. 0.1UI is 10% of period.
21. Measured at 0.5V deviation from starting voltage.
22. For tOZA minimum, CL = 0 pF. For tOZA maximum, CL= 25 pF to 185 MHz or 10 pF to 200 MHz.
23. These figures are for illustration purposes only. The actual ATE loads may vary.
2.0V
0.8V
3.3V
GND
2.0V
0.8V
3.3V
OUTPUT
(a) LVTTL AC Test Load
< 1ns
< 1 ns
(b) TTL Input Test Waveform
R1
R2
CL
R1 = 910
R2 = 910
CL <30 pF
(Includes fixture and
probe capacitance)
R1 = 100
R2 = 100
CL < 25 pF to 185 MHz
For LOCK output only
For all other outputs
or 10 pF at 200 MHz
tPWL
tPWH
REF
FB
Q
tREFpwh
tREFpwl
tPD
tCCJ1-3,4-12
[1:2]Q[0,2]
tSKEWPR
[1:2]Q[0:3]
[1:2]Q[0:3]
tSKEWBNK
tSKEWPR
tSKEWBNK
Q
Other Q
tSKEW0,1
tSKEW0,1
2.0V
0.8V
tODCV
tODCV
REF TO DEVICE 1 and 2
FB DEVICE1
FB DEVICE2
tPD
tPDELTA
tPDELTA
[1:2]Q[1,3]


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