128K x 8 SRAM
MSM8128X - 020/25/35
11403 West Bernado Court, Suite 100, San Diego, CA 92127.
Tel No: (619) 674 2233, Fax No: (619) 674 2230
Issue 4.3 : November 1998
Description
The MSM8128X is a 1Mbit monolithic SRAM
organised as 128K X 8 with access times of
20ns to 35ns. This part is available in the high
density VIL package. It has completely static
operation and and is directly TTL compatible.
The device features a low power standby and
has 3.0V battery backup capability.
The device may be screened in accordance
with MIL-STD-883 requirements.
131,072 x 8 CMOS High Speed Static RAM
Features
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Fast Access Times of 20/25/35 ns.
Operating Power 935 mW (max)
Standby Power 55 mW (max) - L Version
Low Voltage Data Retention.
Completely Static Operation.
Directly TTL compatible.
Single Chip Select Pinout.
May be screened in accordance with MIL-STD-883.
Block Diagram
A4
A5
A6
A7
A12
A13
A14
A15
A16
D0
D7
WE
OE
CS
I/O
BUFFER
X ADDRESS BUFFER
Pin Definition
MEMORY ARRAY
512 ROWS
256 X 8 COLUMNS
COLUMN I/O
COLUMN DECODE
Y ADDRESS BUFFER
A0
A1
A2
A3
A8
A9
A10
A11
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
GND
1
2
3
4
5
6
7
8 TOP VIEW
VX
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
A15
NC
WE
A13
A8
A9
A11
OE
A10
CS
D7
D6
D5
D4
D3
ROW DECODE
Package Details
Pin Count
32
Description
0.1" Vertical-in-Line (VIL
TM
)
Package Type
VX
Pin Functions
A0-A16
Address Inputs
D0-7
Data Input/Output
CS
Chip Select
OE
Output Enable
WE
Write Enable
NC
No Connect
Power (+5V)
V
CC
GND
Ground
MOSAIC [ MOSAIC ]
