EM620FU16B Series
Low Power, 128Kx16 SRAM
ABSOLUTE MAXIMUM RATINGS *
Parameter
Voltage on Any Pin Relative to Vss
Voltage on Vcc supply relative to Vss
Power Dissipation
Symbol
Minimum
-0.2 to 4.0V
-0.2 to 4.0V
1.0
Unit
V
V , V
IN
OUT
V
V
CC
P
W
D
o
Operating Temperature
T
-40 to 85
A
C
* Stresses greater than those listed above “Absolute Maximum Ratings” may cause permanent damage to the device. Functional oper-
ation should be restricted to recommended operating condition. Exposure to absolute maximum rating conditions for extended periods
may affect reliability.
FUNCTIONAL DESCRIPTION
CS1
CS2
OE
WE
LB
UB
I/O
I/O
Mode
Power
0-7
8-15
H
X
X
L
L
L
L
L
L
L
L
X
L
X
X
X
H
H
L
X
X
X
H
H
H
H
H
L
X
X
H
L
X
X
H
X
L
High-Z
High-Z
High-Z
High-Z
High-Z
Data Out
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
Deselected
Deselected
Stand by
Stand by
Stand by
Active
X
H
H
H
H
H
H
H
H
Deselected
Output Disabled
Output Disabled
Lower Byte Read
X
L
Active
H
L
Active
L
H
L
Data Out Upper Byte Read
Active
L
L
Data Out Data Out
Word Read
Lower Byte Write
Upper Byte Write
Word Write
Active
X
X
X
L
H
L
Data In
High-Z
Data In
High-Z
Data In
Data In
Active
L
H
L
Active
L
L
Active
Note: X means don’t care. (Must be low or high state)
3
EMLSI [ Emerging Memory & Logic Solutions Inc ]
