CY7B991V-5JXIT Cypress Semiconductor Corp, CY7B991V-5JXIT Datasheet - Page 3

• Manufacturer Part Number: CY7B991V-5JXIT
• Description: IC,Eight Distributed-Output Clock Driver,LDCC,32PIN,PLASTIC
• Manufacturer: Cypress Semiconductor Corp
• Series: RoboClock™r
• Type: Buffer/Driverr

Specifications of CY7B991V-5JXIT

• Number Of Circuits: 1
• Ratio - Input:output: 8:8
• Differential - Input:output: Yes/Yes
• Input: 3-State
• Output: LVTTL
• Frequency - Max: 80MHz
• Voltage - Supply: 2.97 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-PLCC
• Frequency-max: 80MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pinouts
Table 1. Pin Definition
Document Number: 38-07141 Rev. *G
REF
FB
FS
1F0, 1F1
2F0, 2F1
3F0, 3F1
4F0, 4F1
TEST
1Q0, 1Q1
2Q0, 2Q1
3Q0, 3Q1
4Q0, 4Q1
V
V
GND
CCN
CCQ
Pin Name
Pin Number
12,13,21,22,
9,16,18,25
26,27
29,30
24,23
20,19
15,14
28,32
11,10
4,5
6,7
2,8
17
31
1
3
Figure 1. Pin Configuration – CY7B991V 32-Pin PLCC Package
PWR
PWR
PWR
IO
O
O
O
O
I
I
I
I
I
I
I
I
V
V
GND
GND
CCQ
4Q1
4Q0
3F1
4F0
4F1
CCN
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 test mode section under the block diagram descriptions.
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.
5
6
7
8
9
10
11
12
13
14
4
15
3
16
2
Table 3
Table 3
Table 3
Table 3
17
1
18 19 20
32 31 30
29
28
27
26
25
24
23
22
21
Description
2F0
GND
1F1
1F0
V
1Q0
1Q1
GND
GND
Table
CCN
2.
Table 3
Table 3
Table 3
Table 3
CY7B991V
Page 3 of 17
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