Cypress Semiconductor CY7B991 Fiche technique - Page 7

Parcourez en ligne ou téléchargez le pdf Fiche technique pour {nom_de_la_catégorie} Cypress Semiconductor CY7B991. Cypress Semiconductor CY7B991 20 pages. Cypress programmable skew clock buffer specification sheet

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