eorex
AC Operating Test Conditions
(V
DD
=1.8V
±
0.1V, T
A
=0°C ~70°C)
Item
Output Reference Level
Output Load
Input Signal Level
Transition Time of Input Signals
Input Reference Level
EM488M1644LBA
Conditions
0.5*V
DDQ
See diagram as below
0.8*V
DDQ
/0.2*V
DDQ
1ns
0.5*V
DDQ
AC Operating Test Characteristics
(V
DD
=1.8V
±
0.1V, T
A
=0°C ~70°C)
Symbol
Parameter
CL=3
CL=2
CL=1
CL=3
t
AC
t
CH
t
CL
t
OH
t
HZ
t
LZ
t
IH
t
IS
Access Time form CLK
CLK High Level Width
CLK Low Level Width
Data-out Hold Time
Data-out High Impedance Time
(Note 5)
t
CK
Clock Cycle Time
-10
Min. Max.
9.5
15
30
7
8
20
3
3
2
7
1
1.5
3
Units
ns
CL=2
CL=1
ns
ns
ns
ns
ns
ns
ns
ns
Data-out Low Impedance Time
Input Hold Time
Input Setup 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.
Jul. 2006
7/17
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