EM484M1644VTD
eorex
AC Operating Test Conditions
(VDD=3.3V0.3V, TA=0°C ~70°C/TA=-25°C ~ +85°C for extended grade)
Item
Conditions
1.4V/1.4V
Output Reference Level
Output Load
Input Signal Level
See diagram as below
2.4V/0.4V
Transition Time of Input Signals
Input Reference Level
tr/tf=1/1 ns
1.4V
AC Operating Test Characteristics
(VDD=3.3V0.3V, TA=0°C ~70°C/TA=-25°C ~ +85°C for extended grade)
-6
-7
Symbol
Parameter
Clock Cycle Time
Units
ns
Min. Max. Min. Max.
CL=3
CL=2
CL=3
CL=2
6
7
tCK
10
10
5.4
5.4
5.4
5.4
Access Time form CLK
ns
tAC
(Note 5.1)
CLK High Level Width (Note 5.2)
CLK Low Level Width (Note 5.2)
2.5
2.5
2.5
2.5
3
2.5
2.5
2.5
2.5
3
ns
ns
tCH
tCL
CL=3
Data-out Hold Time
ns
tOH
(Note 5.1)
CL=2
CL=3
CL=2
Data-out High Impedance
6
7
ns
ns
tHZ
tLZ
(Note 5.3)
Time
Data-out Low Impedance Time
0
0
(Note 5.1)
(Note 5.2)
1
1
ns
ns
ns
tIH
tIS
tT
Input Hold Time
(Note 5.2)
1.5
0.3
1.5
0.3
Input Setup Time
Transition time of CLK ,rise & fall
1.5
1.5
* All voltages referenced to VSS.
Note 5.1: If clock rising time is longer than 1ns, (tT /2-0.5)ns should be added to the parameter.
Apr. 2014
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