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