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PDM41028
4
Rev. 2.2 - 4/29/98
Capacitance(1) (T
A = +25°C, f = 1.0 MHz)
NOTE:1. This parameter is determined by device characterization but is not production tested.
AC Test Conditions
Symbol
Parameter
Max.
Unit
CIN
Input Capacitance
8
pF
COUT
Output Capacitance
8
pF
Input pulse levels
VSS to 3.0V
Input rise and fall times
3 ns
Input timing reference levels
1.5V
Output reference levels
1.5V
Output load
See Figures 1 and 2
Figure 1. Output Load Equivalent
Figure 2. Output Load Equivalent
(for tLZCE, tHZCE, tLZWE, tHZWE, tLZOE,
tHZOE)
+5V
480
Ω
255
Ω
DOUT
5 pf
+5V
480
Ω
255
Ω
DOUT
30 pF
Figure 4.
5
4
3
2
1
0
0
30
60
90
120
Typical Delta tAA vs Capacitive Loading
Additional Lumped Capacitive Loading (pF)