Cypress S29VS128R, Manual

Page: 46 / 75

Document Number: 002-00833 Rev. *L Page 46 of 74
S29VS256R
S29VS128R
S29XS256R
S29XS128R
10.5 AC Test Conditions
Figure 7. Input Pulse and Test Point
Figure 8. Output Load
10.6 Key to Switching Waveforms
Operating Range
Input level 0.0 to V
IO
Input comparison level V
IO
/2
Output data comparison level V
IO
/2
Load capacitance (C
L
) 30 pF
Transition time (t
T
) (input rise and fall times)
83 MHz 2.50 ns
104 MHz 1.85 ns
108 MHz 1.85 ns
Transition time (t
T
) (CLK input rise and fall times)
83 MHz 2.50 ns
104 MHz 1.85 ns
108 MHz 1.85 ns
V
IO
V
IO
/2
Input and Output
Test Point
V
IO
/2
0V
Waveform Inputs Outputs
Steady
Changing from H to L
Changing from L to H
Don’t Care, Any Change Permitted Changing, State Unknown
Does Not Apply Center Line is High Impedance State (High-Z)
Device
Under
Test
*C
L
= 30 pF including scope
and Jig capacitance