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M48Z2M1V Datasheet(PDF) 4 Page - STMicroelectronics

Part # M48Z2M1V
Description  5V or 3.3V, 16 Mbit (2Mb x 8) ZEROPOWER SRAM
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M48Z2M1V Datasheet(HTML) 4 Page - STMicroelectronics

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M48Z2M1Y, M48Z2M1V
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SUMMARY DESCRIPTION
The M48Z2M1Y/V ZEROPOWER® RAM is a non-
volatile 16,777,216-bit, Static RAM organized as
2,097,152 words by 8 bits. The device combines
two internal lithium batteries, CMOS SRAMs and a
control circuit in a plastic 36-pin DIP, long Module.
The ZEROPOWER RAM replaces industry stan-
dard SRAMs. It provides the nonvolatility of
PROMs without any requirement for special
WRITE timing or limitations on the number of
WRITEs that can be performed.
Figure 2. Logic Diagram
Table 1. Signal Names
Figure 3. DIP Connections
AI02048
21
A0-A20
W
DQ0-DQ7
VCC
M48Z2M1Y
M48Z2M1V
G
VSS
8
E
A0-A20
Address Inputs
DQ0-DQ7
Data Inputs / Outputs
E
Chip Enable
G
Output Enable
W
WRITE Enable
VCC
Supply Voltage
VSS
Ground
NC
Not Connected Internally
VSS
VCC
AI02049
M48Z2M1Y
M48Z2M1V
10
1
2
5
6
7
8
9
11
12
13
16
17
18
30
29
26
25
24
23
22
21
20
19
3
4
28
27
32
31
14
15
34
33
36
35
A1
A0
DQ0
A7
A4
A3
A2
A6
A5
A13
A10
A8
A9
DQ7
A15
A11
G
E
DQ5
DQ1
DQ2
DQ3
DQ4
DQ6
A16
A18
A12
A14
W
A17
A20
NC
NC
A19



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