eorex
AC Operating Test Conditions
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C)
Item
Output Reference Level
Output Load
Input Signal Level
Transition Time of Input Signals
Input Reference Level
EM48AM1684VBE
Conditions
1.4V/1.4V
See diagram as below
2.4V/0.4V
1ns
1.4V
AC Operating Test Characteristics
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C)
Symbol
t
CK
t
AC
t
CH
t
CL
t
OH
t
HZ
t
LZ
t
IH
t
IS
t
DH
t
DS
Parameter
Clock Cycle Time
Access Time form CLK
CLK High Level Width
CLK Low Level Width
Data-out Hold Time
CL=3
CL=3
Data-out High Impedance
Data-out Low Impedance Time
Input Hold Time
Input Setup Time
Data Hold Time
CL=3
CL=3
-7
Min.
7
-
2.3
2.3
3
-
0
1
1.5
1
Max.
-
5.4
-
-
-
5.4
-
-
-
-
-7.5
Min.
Max.
7.5
-
-
2.5
2.5
3
-
0
1
1.5
1
5.4
-
-
-
5.4
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
-
Data Setup Time
1.5
1.5
-
ns
Data-in to Precharge Command for
2
-
2
-
t
CK
t
DPL
Manual Precharge
* All voltages referenced to V
SS
.
Note 5:
t
HZ
defines the time at which the output achieve the open circuit condition and is not
referenced to output voltage levels.
Oct. 2011
7/17
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