M48Z08(2010) 查看數據表（PDF） - STMicroelectronics
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M48Z08 Datasheet PDF : 20 Pages
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M48Z08, M48Z18
1
Description
Description
The M48Z08/18 ZEROPOWER® RAM is an 8 K x 8 non-volatile static RAM which is pin and
function compatible with the DS1225.
The monolithic chip provides a highly integrated battery-backed memory solution.
The M48Z08/18 is a non-volatile pin and function equivalent to any JEDEC standard 8 K x 8
SRAM. It also easily fits into many ROM, EPROM, and EEPROM sockets, providing the
non-volatility of PROMs without any requirement for special write timing or limitations on the
number of writes that can be performed.
The 28-pin, 600 mil DIP CAPHAT™ houses the M48Z08/18 silicon with a long-life lithium
button cell in a single package.
Figure 1. Logic diagram
VCC
13
A0-A12
W
E
G
M48Z08
M48Z18
8
DQ0-DQ7
VSS
Table 1. Signal names
A0-A12
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
AI01022
Doc ID 2424 Rev 7
5/20
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