CY7B992 Cypress Semiconductor Corporation., CY7B992 Datasheet - Page 7

• Manufacturer Part Number: CY7B992
• Description: Programmable Skew Clock Buffer
• Manufacturer: Cypress Semiconductor Corporation.

Capacitance
CMOS output buffer current and power dissipation specified at 50 MHz reference frequency.
AC Test Loads and Waveforms
Document Number: 38-07138 Rev. *B
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
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 7 of 19
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