CY7B991
CY7B992
Switching Characteristics
Over the Operating Range
[2, 13]
(continued)
CY7B991–5
Parameter
f
NOM
Description
Operating Clock
Frequency in MHz
FS = LOW
[1, 2]
FS = MID
[1, 2]
FS = HIGH
[1, 2 , 3]
t
RPWH
t
RPWL
t
U
t
SKEWPR
t
SKEW0
t
SKEW1
t
SKEW2
t
SKEW3
t
SKEW4
t
DEV
t
PD
t
ODCV
t
PWH
t
PWL
t
ORISE
t
OFALL
t
LOCK
t
JR
REF Pulse Width HIGH
REF Pulse Width LOW
Programmable Skew Unit
Zero Output Matched-Pair Skew
(XQ0, XQ1)
[16, 17]
Zero Output Skew (All Outputs)
[16, 18]
Output Skew (Rise-Rise, Fall-Fall, Same
Class Outputs)
[16, 20]
Output Skew (Rise-Fall, Nominal-Inverted,
Divided-Divided)
[16, 20]
Output Skew (Rise-Rise, Fall-Fall, Different
Class Outputs)
[16, 20]
Output Skew (Rise-Fall, Nominal-Divided,
Divided-Inverted)
[16, 20]
Device-to-Device Skew
[14, 21]
Propagation Delay, REF Rise to FB Rise
Output Duty Cycle Variation
[22]
Output HIGH Time Deviation from 50%
[23, 24]
Output LOW Time Deviation from 50%
[23, 24]
Output Rise Time
[23, 25]
Output Fall Time
[23, 25]
PLL Lock Time
[26]
Cycle-to-Cycle Output
Jitter
RMS
[14]
Peak-to-Peak
[14]
0.15
0.15
1.0
1.0
–0.5
–1.0
0.0
0.0
0.1
0.25
0.6
0.5
0.5
0.5
0.25
0.5
0.7
1.0
0.7
1.0
1.25
+0.5
+1.0
2.5
3
1.5
1.5
0.5
25
200
0.5
0.5
2.0
2.0
–0.5
–1.2
0.0
0.0
Min.
15
25
40
5.0
5.0
Typ.
Max.
30
50
80
Min.
15
25
40
5.0
5.0
See
Table 1
0.1
0.25
0.6
0.6
0.5
0.6
0.25
0.5
0.7
1.5
0.7
1.7
1.25
+0.5
+1.2
4.0
4.0
3.5
3.5
0.5
25
200
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ps
ps
CY7B992–5
Typ.
Max.
30
50
80
[15]
ns
ns
Unit
MHz
Document #: 38-07138 Rev. **
Page 7 of 15
CYPRESS [ CYPRESS SEMICONDUCTOR ]
