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M48Z129Y-70PM1TR View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
M48Z129Y-70PM1TR
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M48Z129Y-70PM1TR Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
M48Z129Y*, M48Z129V
SUMMARY DESCRIPTION
The M48Z129Y/V ZEROPOWER® SRAM is a
1,048,576 bit non-volatile static RAM organized as
131,072 words by 8 bits. The device combines an
internal lithium battery, a CMOS SRAM and a con-
trol circuit in a plastic 32-pin DIP Module. The
M48Z129Y/V directly replaces industry standard
128K x 8 SRAM. It also provides the non-volatility
of FLASH without any requirement for special
WRITE timing or limitations on the number of
WRITEs that can be performed.
Figure 2. Logic Diagram
VCC
17
A0-A16
W
E
G
M48Z129Y
M48Z129V
8
DQ0-DQ7
RST
BL
VSS
AI02309
Table 1. Signal Names
A0-A16
Address Inputs
DQ0-DQ7 Data Inputs / Outputs
E
Chip Enable
G
Output Enable
W
WRITE Enable
RST
Reset Output (Open Drain)
BL
Battery Low Output (Open Drain)
VCC
Supply Voltage
VSS
Ground
Figure 3. DIP Connections
RST
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
VSS
1
32
2
31
3
30
4
29
5
28
6
27
7
26
8 M48Z129Y 25
9 M48Z129V 24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
VCC
A15
BL
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
AI02310
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