eorex
EM488M1644VBA
AC Operating Test Conditions
(VDD=2.8V ~ 3.6V, TA=0°C ~70°C)
Item
Conditions
1.4V/1.4V
Output Reference Level
Output Load
See diagram as below
2.4V/0.4V
Input Signal Level
Transition Time of Input Signals
Input Reference Level
2ns
1.4V
AC Operating Test Characteristics
(VDD=2.8V ~ 3.6V, TA=0°C ~70°C)
-7.5
Symbol
tCK
Parameter
Clock Cycle Time
Units
ns
Min. Max.
CL=3
CL=2
CL=3
CL=2
7.5
10
5.4
6
tAC
Access Time form CLK
ns
tCH
tCL
CLK High Level Width
CLK Low Level Width
ns
ns
CL=3
CL=2
CL=3
CL=2
tOH
tHZ
Data-out Hold Time
ns
ns
2
5.4
6
Data-out High Impedance
Time (Note 5)
tLZ
tIH
tIS
Data-out Low Impedance Time
Input Hold Time
ns
ns
ns
Input Setup Time
2
* 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.
Jul. 2006
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