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45
CAPACITANCE (T
A
= 25°C; f
C
= 1MHz; V
DD
= 0V)
Output and I/O pins capacitive load specified as follows:
PARAMETER SYMBOL MIN TYP MAX UNIT COMMENT
Input Capacitance C
IN
5.0 pF
Output Capacitance 1
(All outputs except
nPULSE1 in BackPlane
Mode)
Output Capacitance 2
(nPULSE1, in
BackPlane
Mode Only - Open
Drain)
C
OUT1
C
OUT2
45
400
pF
pF
Maximum
Capacitive Load
which can be
supported by each
output.
0.4V
AC Measurements are taken at the following points:
Inputs:
2.4V
1.4V
50%
50%
0.4V
2.4V
1.4V
0.8V
Outputs:
2.0V
0.8V
2.0V
Inputs are driven at 2.4V for logic "1" and 0.4 V for logic "0".
Outputs are measured at 2.0V min. for logic "1" and 0.8V max. for logic "0".
t
t
t
t