EtronTech
Operating Mode
Mode
CE1#
CE2
OE#
WE#
LB#
L
Read
L
H
L
H
H
L
L
Write
L
H
X
L
H
L
L
Output Deselect
L
H
Standby
X
L
X
X
X
X
H
X
X
X
X
X
H
X
H
X
High-Z
High-Z
H
H
H
X
UB#
L
L
H
L
L
H
X
High-Z
High-Z
DQ0~DQ7
DOUT
High-Z
DOUT
DIN
High-Z
DIN
DQ8~DQ15
DOUT
DOUT
High-Z
DIN
DIN
High-Z
EM584161
Note: X = don't care. H=logic high. L=logic low.
Absolute Maximum Ratings
Supply voltage, VDD
Input voltages, VIN
Input and output voltages, VI/O
Operating temperature, TOPR
Storage temperature, TSTRG
Soldering Temperature (10s), TSOLDER
Power dissipation, PD
-0.5 to +2.5V
-0.5 to +2.5V
-0.5 to VDD
+0.5V
-40 to +85°C
-65 to +150°C
240°C
0.6 W
DC Recommended Operating Conditions (Ta=-40°C to 85°C)
Symbol
VDD
VIH
VIL
Parameter
Power Supply Voltage
Input High Voltage
Input Low Voltage
Min.
1.65
1.4
- 0.2
(2)
Typ.
1.8
−
−
−
Max.
1.95
VDD+0.2
0.4
1.95
(1)
Unit
V
V
V
V
VDR
Data Retention Supply Voltage
Note:
(1) Overshoot : 2.7V if pulse width
≤
20ns
(2) Undershoot : -1.0V if pulse width
≤
20ns
0.9
3
Rev 2.0
Nov. 2003
ETRON [ ETRON TECHNOLOGY, INC. ]
