CY7B991-2 CYPRESS [Cypress Semiconductor], CY7B991-2 Datasheet - Page 7

• Manufacturer Part Number: CY7B991-2
• Description: Programmable Skew Clock Buffer
• Manufacturer: CYPRESS [Cypress Semiconductor]

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