CY7B991-7JXCT Cypress Semiconductor Corp, CY7B991-7JXCT Datasheet - Page 8
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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
Capacitance
CMOS output buffer current and power dissipation specified at 50 MHz reference frequency.
Document Number: 38-07138 Rev. *E
C
IN
Parameter
CMOS AC Test Load (CY7B992)
TTL AC Test Load (CY7B991)
C
C
L
L
Input Capacitance
V
CC
5V
R1
R2
R1
R2
Description
R1=130
R2=91
C
(Includes fixture and probe capacitance)
R1=100
R2=100
C
(Includes fixture and probe capacitance)
L
L
= 50 pF (C
= 50 pF (C
Figure 3. AC Test Loads and Waveforms
L
L
=30 pF for –2 and –5 devices)
=30 pF for –2 and –5 devices)
T
A
= 25
°
C, f = 1 MHz, V
Test Conditions
CC
= 5.0V
V
th
V
CMOS Input Test Waveform (CY7B992)
th
= V
TTL Input Test Waveform (CY7B991)
=1.5V
0.0V
0.0V
≤3ns
≤1ns
CC
0.8V
20%
2.0V
80%
/2
3.0V
V
Max
CC
10
2.0V
80%
V
V
0.8V
≤3ns
≤1ns
20%
th
th
=1.5V
= V
CY7B991
CY7B992
Unit
pF
CC
Page 8 of 20
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