CY7B9920(1997) Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7B9920 Datasheet PDF : 7 Pages
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CY7B9910
CY7B9920
Switching Characteristics Over the Operating Range[7] (continued)
Parameter
fNOM
tRPWH
tRPWL
tSKEW
tDEV
tPD
tODCV
tORISE
tOFALL
tLOCK
tJR
tJR
Description
Operating Clock
Frequency in MHz
FS = LOW[9, 10]
FS = MID[9, 10]
FS = HIGH[9, 10, 11]
REF Pulse Width HIGH
REF Pulse Width LOW
Zero Output Skew (All Outputs)[13, 14]
Device-to-Device Skew[8, 15]
Propagation Delay, REF Rise to FB Rise
Output Duty Cycle Variation[16]
Output Rise Time[17, 18]
Output Fall Time[17, 18]
PLL Lock Time[19]
Cycle-to-Cycle Output Peak to Peak[8]
Jitter
RMS[8]
CY7B9910–7
Min. Typ. Max.
15
30
25
50
40
80
5.0
5.0
0.3 0.75
1.5
–0.7 0.0 +0.7
–1.2 0.0 +1.2
0.15 1.5
2.5
0.15 1.5
2.5
0.5
200
25
CY7B9920–7
Min. Typ. Max.
15
30
Unit
MHz
25
50
40
80[12]
5.0
ns
5.0
ns
0.3 0.75 ns
1.5
ns
–0.7 0.0 +0.7 ns
–1.2 0.0 +1.2 ns
0.5
3.0
5.0
ns
0.5
3.0
5.0
ns
0.5
ms
200
ps
25
ps
AC Timing Diagrams
REF
tPD
FB
tREF
tRPWH
tRPWL
tODCV tODCV
Q
OTHER Q
tSKEW
tSKEW
tJR
7B9910–8
5
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