4 Megabit (512K x 8-Bit) SRAM
T
ABLE
1. 32C408B A
BSOLUTE
M
AXIMUM
R
ATINGS
P
ARAMETER
Voltage on any pin relative to V
SS
Voltage on V
CC
supply relative to V
SS
Power Dissipation
Storage Temperature
Operating Temperature
S
YMBOL
V
IN
, V
OUT
V
CC
P
D
T
S
T
A
M
IN
-0.5
-0.5
--
-65
-55
32C408B
M
AX
V
CC
+0.5
7.0
1.0
+150
+125
U
NIT
V
V
W
°
C
°
C
T
ABLE
2. 32C408B R
ECOMMENDED
O
PERATING
C
ONDITIONS
P
ARAMETER
Supply Voltage
Ground
Input High Voltage
1
Input Low Voltage
2
Thermal Impedance
1. V
IH
(max) = V
CC
+ 2.0V ac(pulse width < 10ns) for I < 20mA.
2. V
IL
(min) = -2.0V ac(pulse width < 10ns) for I < 20mA.
S
YMBOL
V
CC
V
SS
V
IH
V
IL
M
IN
4.5
0
2.2
-0.5
--
M
AX
5.5
0
V
CC
+0.5
0.8
0.63
U
NIT
V
V
V
V
°C/W
Memory
Θ
JC
T
ABLE
3. 32C408B DC E
LECTRICAL
C
HARACTERISTICS1
P
ARAMETER
Input Leakage Current
Output Leakage Current
Output Low Voltage
Output High Voltage
Average Operating Current
-20
-25
-30
Standby Power Supply Cur-
rent
Input Capacitance
2
Output Capacitance
2
C
ONDITION
V
IN
= V
SS
to V
CC
CS=V
IH
or OE=V
IH
or WE=V
IL
,
V
OUT
=V
SS
to V
CC
I
OL
= 8mA
I
OH
= -4mA
Min cycle, 100% Duty, CS=V
IL
,
I
OUT
=0mA, V
IN
= V
IH
or V
IL
S
YMBOL
I
LI
I
LO
V
OL
V
OH
I
CC
M
IN
-2
-2
--
2.4
--
--
--
--
--
--
--
--
--
--
--
--
180
170
160
60
10
6
6
pF
pF
mA
T
YP
--
--
--
M
AX
2
2
0.4
--
U
NIT
µA
µA
V
V
mA
CS = V
IH
f = 0MHz, CS > V
CC
- 02V, V
IN
>
V
CC
- 0.2V or V
IN
< 0.2V
V
IN
= 0V, f = 1MHz, T
A
= 25 °C.
V
I/O
= 0V
I
SB
I
SB1
C
IN
C
I/O
1. V
CC
= 4.5V to 5.5V; V
SS
= 0V; T
A
= -55 to +125
°
C.
1000559
12.19.01 Rev 6
All data sheets are subject to change without notice
2
©2001 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
