CY7B991-7JXCT Cypress Semiconductor Corp, CY7B991-7JXCT Datasheet - Page 11
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CY7B991-7JXCT
Manufacturer Part Number
CY7B991-7JXCT
Description
IC,Eight Distributed-Output Clock Driver,LDCC,32PIN,PLASTIC
Manufacturer
Cypress Semiconductor Corp
Series
RoboClock™r
Type
Buffer/Driverr
Datasheet
1.CY7B991-7JXC.pdf
(20 pages)
Specifications of CY7B991-7JXCT
Number Of Circuits
1
Ratio - Input:output
8:8
Differential - Input:output
Yes/Yes
Input
3-State, TTL
Output
TTL
Frequency - Max
80MHz
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
32-PLCC
Frequency-max
80MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7B991-7JXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Document Number: 38-07138 Rev. *E
Switching Characteristics
Over the Operating Range
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Parameter
NOM
RPWH
RPWL
U
SKEWPR
SKEW0
SKEW1
SKEW2
SKEW3
SKEW4
DEV
PD
ODCV
PWH
PWL
ORISE
OFALL
LOCK
JR
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
[2, 13]
[16, 17]
(continued)
[16, 19]
[16, 19]
[26]
Description
[16, 19]
[23, 25]
[16, 19]
[23, 25]
[14, 22]
FS = LOW
FS = MID
FS = HIGH
RMS
Peak-to-Peak
[22]
[14]
[16, 18]
[1, 2]
[1, 2]
[1, 2]
[23, 24]
[23, 24]
[14]
–0.7
–1.2
0.15
0.15
Min
5.0
5.0
15
25
40
CY7B991–7
Typ
0.1
0.3
0.6
1.0
0.7
1.2
0.0
0.0
1.5
1.5
Max
0.25
0.75
1.65
+0.7
+1.2
200
1.0
1.5
1.2
1.7
3.5
2.5
2.5
0.5
30
50
80
25
3
See Table 2
–0.7
–1.5
Min
5.0
5.0
0.5
0.5
15
25
40
CY7B992–7
Typ
0.1
0.3
0.6
1.0
0.7
1.2
0.0
0.0
3.0
3.0
80
Max
0.25
0.75
1.65
+0.7
+1.5
200
1.0
1.5
1.2
1.7
5.5
5.5
5.0
5.0
0.5
30
50
25
[15]
CY7B991
CY7B992
Page 11 of 20
Unit
MHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
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