CY7B991-7JXC Cypress Semiconductor Corp, CY7B991-7JXC Datasheet - Page 3
![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:
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Company:
Part Number:
CY7B991-7JXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
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Company:
Part Number:
CY7B991-7JXCT
Manufacturer:
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Quantity:
10 000
Pinouts
Table 1. Pin Definition
Document Number: 38-07138 Rev. *I
REF
FB
FS
1F0, 1F1
2F0, 2F1
3F0, 3F1
4F0, 4F1
TEST
1Q0, 1Q1
2Q0, 2Q1
3Q0, 3Q1
4Q0, 4Q1
V
V
GND
Signal Name
CCN
CCQ
PWR
PWR
PWR
IO
O
O
O
O
I
I
I
I
I
I
I
I
Reference frequency input. This input supplies the frequency and timing against which all functional
variations are measured.
PLL feedback input (typically connected to one of the eight outputs).
Three level frequency range select. See
Three level function select inputs for output pair 1 (1Q0, 1Q1). See
Three level function select inputs for output pair 2 (2Q0, 2Q1). See
Three level function select inputs for output pair 3 (3Q0, 3Q1). See
Three level function select inputs for output pair 4 (4Q0, 4Q1). See
Three level select. See
Output pair 1. See
Output pair 2. See
Output pair 3. See
Output pair 4. See
Power supply for output drivers.
Power supply for internal circuitry.
Ground.
Figure 1. Pin Configuration – 32-Pin PLCC/LCC Package
V
V
GND
GND
4Q1
4Q0
CCQ
3F1
4F0
4F1
CCN
Table
Table
Table
Table
5
6
7
8
9
10
11
12
13
14
4
“Test Mode”
3.
3.
3.
3.
15
3
16
2
CY7B991
CY7B992
17
1
on page 5 under the
18 19 20
32 31 30
Table
Description
2.
29
28
27
26
25
24
23
22
21
2F0
GND
1F1
1F0
V
1Q0
1Q1
GND
GND
CCN
“Block Diagram Description”
Table
Table
Table
Table
3.
3.
3.
3.
on page 4.
CY7B991
CY7B992
Page 3 of 21
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