eorex
AC Operating Test Conditions
Item
Output Reference Level
Output Load
Input Signal Level
Transition Time of Input Signals
Input Reference Level
EM488M1644VTE
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C/T
A
=-25°C ~ +85°C for extended grade)
Conditions
1.4V/1.4V
See diagram as below
2.4V/0.4V
2ns
1.4V
AC Operating Test Characteristics
(V
DD
=3.3V±0.3V, T
A
=0°C ~70°C/T
A
=-25°C ~ +85°C for extended grade)
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
0
1
1.5
0
0.8
1.5
3
7
2
6
CL=3
CL=2
CL=3
CL=2
2.5
2.5
2.5
-7
Min.
7
10
5.4
6
2
2
2.5
Max.
Min.
6
10
5.4
6
-6
Max.
Uni
ts
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.
Dec. 2007
7/17
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