CY7B991
CY7B992
[2, 13]
Switching Characteristics Over the Operating Range
(continued)
CY7B991–5
CY7B992–5
Typ.
Parameter
Description
FS = LOW
Min.
15
Typ.
Max.
30
Min.
15
Max.
30
Unit
[1, 2]
[1, 2]
f
Operating Clock
MHz
NOM
Frequency in MHz
FS = MID
25
50
25
50
[1, 2 , 3]
[15]
FS = HIGH
40
80
40
80
t
t
t
t
REF Pulse Width HIGH
REF Pulse Width LOW
Programmable Skew Unit
5.0
5.0
5.0
5.0
ns
ns
RPWH
RPWL
U
See Table 1
Zero Output Matched-Pair Skew
0.1
0.25
0.1
0.25
ns
SKEWPR
[16, 17]
(XQ0, XQ1)
[16, 18]
t
t
Zero Output Skew (All Outputs)
0.25
0.6
0.5
0.7
0.25
0.6
0.5
0.7
ns
ns
SKEW0
Output Skew (Rise-Rise, Fall-Fall, Same
SKEW1
[16, 20]
Class Outputs)
t
t
t
Output Skew (Rise-Fall, Nominal-Inverted,
Divided-Divided)
0.5
0.5
0.5
1.0
0.7
1.0
0.6
0.5
0.6
1.5
0.7
1.7
ns
ns
ns
SKEW2
SKEW3
SKEW4
[16, 20]
Output Skew (Rise-Rise, Fall-Fall, Different
[16, 20]
Class Outputs)
Output Skew (Rise-Fall, Nominal-Divided,
[16, 20]
Divided-Inverted)
[14, 21]
t
t
t
t
t
t
t
t
t
Device-to-Device Skew
1.25
+0.5
+1.0
2.5
3
1.25
+0.5
+1.2
4.0
ns
ns
ns
ns
ns
ns
ns
ms
ps
ps
DEV
Propagation Delay, REF Rise to FB Rise
–0.5
–1.0
0.0
0.0
–0.5
–1.2
0.0
0.0
PD
[22]
Output Duty Cycle Variation
ODCV
PWH
PWL
ORISE
OFALL
LOCK
JR
[23, 24]
Output HIGH Time Deviation from 50%
[23, 24]
Output LOW Time Deviation from 50%
4.0
[23, 25]
Output Rise Time
0.15
0.15
1.0
1.0
1.5
1.5
0.5
25
0.5
0.5
2.0
2.0
3.5
[23, 25]
Output Fall Time
3.5
[26]
PLL Lock Time
0.5
[14]
Cycle-to-Cycle Output
Jitter
RMS
25
[14]
Peak-to-Peak
200
200
7
CYPRESS [ CYPRESS ]
