pdm41028 ETC-unknow, pdm41028 Datasheet - Page 2

• Manufacturer Part Number: pdm41028
• Description: 1 Megabit Static Ram 256k X 4-bit
• Manufacturer: ETC-unknow

Pin Configuration
2
A10
A11
A12
A13
A14
A15
A16
A17
Vss
OE
CE
A7
A8
A9
13
14
1
2
3
4
5
6
7
8
9
10
11
12
SOJ
Absolute Maximum Ratings
NOTE: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
Symbol
V
T
T
P
I
T
OUT
BIAS
STG
j
TERM
T
27
24
23
22
21
20
19
18
17
16
15
28
26
25
2. Appropriate thermal calculations should be performed in all cases and specifically for
Vcc
A6
A5
A4
A3
A2
A1
A0
NC
I/O3
I/O2
I/O1
I/O0
WE
permanent damage to the device. This is a stress rating only and functional operation of
the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
those where the chosen package has a large thermal resistance (e.g., TSOP). The cal-
culation should be of the form
is average operating power and
product, use the following
SOJ: 76
TSOP: 100
Rating
Terminal Voltage with Respect to V
Temperature Under Bias
Storage Temperature
Power Dissipation
DC Output Current
Maximum Junction Temperature
o
C/W
Truth Table
NOTE: 1. H = V
o
C/W
OE
X
X
H
L
WE
H
X
H
L
IH
(1)
ja
, L = V
(1)
values:
: T
CE
H
j
L
L
L
(2)
ja
= T
IL
SS
the thermal resistance of the package. For this
, X = DON’T CARE
a
+ P *
D
Hi-Z
Hi-Z
D
I/O
OUT
IN
–0.5 to +7.0
–55 to +125
–55 to +125
ja
Com’l.
where T
125
1.0
50
Output Disable
Standby
a
MODE
Read
Write
is the ambient temperature, P
Pin Description
Name
A17-A0
I/O3-I/O0
OE
WE
CE
NC
V
V
–65 to +135
–65 to +150
–0.5 to +7.0
CC
SS
Ind.
145
1.0
50
Description
Address Inputs
Data Inputs/Outputs
Output Enable Input
Write Enable Input
Chip Enable Input
No Connect
Power (+5V)
Ground
Unit
mA
W
V
C
C
C
Rev. 2.2 - 4/29/98
PDM41028