m48t12 STMicroelectronics, m48t12 Datasheet - Page 6

• Manufacturer Part Number: m48t12
• Description: 5.0v, 16 Kbit 2kb X 8 Timekeeper Sram
• Manufacturer: STMicroelectronics

Figure 2.
Figure 3.
6/24
CRYSTAL
32,768 Hz
LITHIUM
CELL
DIP connections
Block diagram
OSCILLATOR AND
VOLTAGE SENSE
CLOCK CHAIN
SWITCHING
CIRCUITRY
AND
V CC
DQ0
DQ1
DQ2
V SS
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
POWER
M48T02
M48T12
V PFD
BOK
AI01028
24
23
22
21
20
19
18
17
16
15
14
13
V CC
A8
A9
W
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
SRAM ARRAY
SRAM ARRAY
8 x 8 BiPORT
2040 x 8
V SS
A0-A10
DQ0-DQ7
E
W
G
AI01329