Cypress Semiconductor CY7B991 Ficha de especificações - Página 7
Procurar online ou descarregar pdf Ficha de especificações para Hardware informático Cypress Semiconductor CY7B991. Cypress Semiconductor CY7B991 20 páginas. Cypress programmable skew clock buffer specification sheet
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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