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eorex
EM488M3244VBA
Jul. 2006
www.eorex.com
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AC Operating Test Conditions
(VDD=3.3V±0.3V, TA=0°C ~70°C)
Item
Conditions
Output Reference Level
1.4V/1.4V
Output Load
See diagram as below
Input Signal Level
2.4V/0.4V
Transition Time of Input Signals
2ns
Input Reference Level
1.4V
AC Operating Test Characteristics
(VDD=3.3V
±0.3V, T
A=0°C ~70°C)
-75
Symbol
Parameter
Min.
Max.
Units
CL=3
7
tCK
Clock Cycle Time
CL=2
10
ns
CL=3
5.4
tAC
Access Time form CLK
CL=2
5.4
ns
tCH
CLK High Level Width
2.5
ns
tCL
CLK Low Level Width
2.5
ns
CL=3
2
tOH
Data-out Hold Time
CL=2
2
ns
CL=3
5.4
tHZ
Data-out High Impedance
Time
(Note 5)
CL=2
5.4
ns
tLZ
Data-out Low Impedance Time
0
ns
tIH
Input Hold Time
0.8
ns
tIS
Input Setup Time
1.5
ns
* All voltages referenced to VSS.
Note 5: tHZ defines the time at which the output achieve the open circuit condition and is not referenced to
output voltage levels.
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