eorex
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C)
Item
Output Reference Level
Output Load
Input Signal Level
Preliminary
EM488M3244LBB
AC Operating Test Conditions
Conditions
0.5*VDDQ / 0.5* VDDQ
See diagram as below
0.9*VDDQ / /0.2V
1ns
VDDQ/2
Transition Time of Input Signals
Input Reference Level
AC Operating Test Characteristics
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C, -25°C ~ +85°C)
Symbol
t
CK
t
AC
t
CH
t
CL
t
OH
t
HZ
t
LZ
t
IH
t
IS
Parameter
Clock Cycle Time
Access Time form CLK
CLK High Level Width
CLK Low Level Width
Data-out Hold Time
Data-out High Impedance
(Note 5)
Time
Input Hold Time
Input Setup Time
CL=3
CL=2
CL=3
CL=2
1.5
1.5
2.5
CL=3
CL=2
CL=3
CL=2
3
3
2.2
2.2
7
9
-7.5
Min.
Max.
7.5
10
6
8
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data-out Low Impedance Time
* 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.
May. 2007
7/19
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EOREX [ EOREX CORPORATION ]
