CY7B991-7JXC Cypress Semiconductor Corp, CY7B991-7JXC Datasheet - Page 11
![IC CLK BUFF SKEW 8OUT 32PLCC](/photos/6/51/65138/428-32-plcc_sml.jpg)
CY7B991-7JXC
Manufacturer Part Number
CY7B991-7JXC
Description
IC CLK BUFF SKEW 8OUT 32PLCC
Manufacturer
Cypress Semiconductor Corp
Type
Buffer/Driverr
Series
RoboClock™r
Specifications of CY7B991-7JXC
Number Of Circuits
1
Package / Case
32-PLCC
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
Frequency-max
80MHz
Output Frequency Range
3.75 MHz to 80 MHz
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Operating Supply Voltage
5 V
Clock Ic Type
Clock Buffer
Frequency
80MHz
No. Of Outputs
8
Supply Current
85mA
Supply Voltage Range
4.5V To 5.5V
Digital Ic Case Style
LCC
No. Of Pins
32
Rohs Compliant
Yes
Number Of Elements
1
Operating Supply Voltage (typ)
5V
Operating Temp Range
0C to 70C
Package Type
PLCC
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Pin Count
32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
428-1717-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7B991-7JXC
Manufacturer:
CY
Quantity:
7
Company:
Part Number:
CY7B991-7JXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Company:
Part Number:
CY7B991-7JXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Document Number: 38-07138 Rev. *I
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, 11]
[14, 15]
(continued)
[14, 17]
[14, 17]
[24]
Description
[14, 17]
[21, 23]
[14, 17]
[21, 23]
[12, 20]
FS = LOW
FS = MID
FS = HIGH
RMS
Peak-to-Peak
[20]
[12]
[14, 16]
[1, 2]
[1, 2]
[1, 2]
[21, 22]
[21, 22]
[12]
–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
[13]
CY7B991
CY7B992
Page 11 of 21
Unit
MHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ps
ps
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