STMicroelectronics M48Z02-150PC1 Memory IC M48Z02-150PC1 Hoja De Datos
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M48Z02-150PC1
M48Z02, M48Z12
Description
Doc ID 2420 Rev 9
5/22
1 Description
The M48Z02/12 ZEROPOWER
®
RAM is a 2 K x 8 non-volatile static RAM which is pin and
function compatible with the DS1220.
A special 24-pin, 600 mil DIP CAPHAT™ package houses the M48Z02/12 silicon with a
long-life lithium button cell to form a highly integrated battery-backed memory solution.
long-life lithium button cell to form a highly integrated battery-backed memory solution.
The M48Z02/12 button cell has sufficient capacity and storage life to maintain data
functionality for an accumulated time period of at least 10 years in the absence of power
over commercial operating temperature range.
functionality for an accumulated time period of at least 10 years in the absence of power
over commercial operating temperature range.
The M48Z02/12 is a non-volatile pin and function equivalent to any JEDEC standard 2 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.
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.
Figure 1.
Logic diagram
Table 1.
Signal names
A0-A10
Address inputs
DQ0-DQ7
Data inputs / outputs
E
Chip enable
G
Output enable
W
WRITE enable
V
CC
Supply voltage
V
SS
Ground
AI01186
11
A0-A10
W
DQ0-DQ7
VCC
M48Z02
M48Z12
M48Z12
G
VSS
8
E