5 / 15 page
CY7B991
CY7B992
Document #: 38-07138 Rev. **
Page 5 of 15
Capacitance[12]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz, VCC = 5.0V
10
pF
Note:
12. Applies to REF and FB inputs only. Tested initially and after any design or process changes that may affect these parameters.
AC Test Loads and Waveforms
7B991–4
7B991–5
TTL AC Test Load (CY7B991)
TTL Input Test Waveform (CY7B991)
5V
R1
R2
CL
R1
R2
CL
7B991–6
CMOS AC Test Load (CY7B992)
3.0V
2.0V
Vth =1.5V
0.8V
0.0V
≤1ns
≤1ns
2.0V
0.8V
Vth =1.5V
80%
Vth =VCC/2
20%
0.0V
≤3ns
≤3ns
80%
20%
Vth =VCC/2
7B991–7
CMOS Input Test Waveform (CY7B992)
VCC
R1=130
R2=91
CL =50 pF (CL =30 pF for –2 and –5 devices)
(Includes fixture and probe capacitance)
R1=100
R2=100
CL =50 pF (CL
(Includes fixture and probe capacitance)
VCC
=30 pF for –2 and –5 devices)
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
