D A T A S H E E T
TEST CONDITIONS
Table 24. Test Specifications
Test Condition All Speed Options Unit
Output Load Capacitance, CL
(including jig capacitance)
30
pF
Device
Under
Test
Input Rise and Fall Times
Input Pulse Levels
3
ns
V
0.0–VIO
C
L
Input timing measurement
reference levels
VIO/2
VIO/2
V
V
Output timing measurement
reference levels
Figure 12. Test Setup
KEY TO SWITCHING WAVEFORMS
WAVEFORM
INPUTS
OUTPUTS
Steady
Changing from H to L
Changing from L to H
Don’t Care, Any Change Permitted
Does Not Apply
Changing, State Unknown
Center Line is High Impedance State (High Z)
SWITCHING WAVEFORMS
VIO
All Inputs and Outputs
VIO/2
VIO/2
Input
Measurement Level
Output
0.0 V
Figure 13. Input Waveforms and Measurement Levels
May 10, 2006 27024B3
Am29BDS128H/Am29BDS640H
55