Capacitance, Ac characteristics, Ac test conditions – Rainbow Electronics W24257 User Manual
Page 3: Ac test loads and waveform
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W24257
Publication Release Date: April 1997
- 3 -
Revision A11
CAPACITANCE
(V
DD
= 5V, T
A
= 25
°
C, f = 1 MHz)
PARAMETER
SYM.
CONDITIONS
MAX.
UNIT
Input Capacitance
C
IN
V
IN
= 0V
6
pF
Input/Output Capacitance
C
I/O
V
OUT
= 0V
8
pF
Note: These parameters are sampled but not 100% tested.
AC CHARACTERISTICS
AC Test Conditions
PARAMETER
CONDITIONS
Input Pulse Levels
0.6V to 2.4V
Input Rise and Fall Times
5 nS
Input and Output Timing Reference Level
1.5V
Output Load
C
L
= 100 pF, I
OH
/I
OL
= -1 mA/4 mA
AC Test Loads and Waveform
90%
90%
5 nS
10%
5 nS
10%
R1 1000 ohm
5V
OUTPUT
R2
660 ohm
5 pF
R2
660 ohm
R1 1000 ohm
5V
OUTPUT
100 pF
Including
Jig and
Scope
3.0V
0V
Including
Jig and
Scope
)
(For T
CLZ
,
,
,
,
,
T
OLZ
T
CHZ
T
OHZ
T
WHZ
T
OW
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