M48T08-150PC1TR STMICROELECTRONICS [STMicroelectronics], M48T08-150PC1TR Datasheet - Page 5

• Manufacturer Part Number: M48T08-150PC1TR
• Description: CMOS 8K x 8 TIMEKEEPER SRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 4. DIP Connections
Figure 6. Block Diagram
32,768 Hz
CRYSTAL
LITHIUM
DQ0
DQ1
DQ2
V SS
A12
CELL
INT
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M48T08
M48T18
AI01182
OSCILLATOR AND
VOLTAGE SENSE
V CC
CLOCK CHAIN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SWITCHING
CIRCUITRY
AND
V CC
W
E2
A8
A9
A11
G
A10
E1
DQ7
DQ6
DQ5
DQ4
DQ3
INT
POWER
V PFD
Figure 5. SOIC Connections
DQ0
DQ1
DQ2
V SS
A12
SRAM ARRAY
INT
SRAM ARRAY
A7
A6
A5
A4
A3
A2
A1
A0
8 x 8 BiPORT
8184 x 8
V SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M48T08, M48T08Y, M48T18
M48T08Y
AI01021B
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A0-A12
DQ0-DQ7
E1
E2
W
G
AI01333
V CC
W
E2
A8
A9
A11
G
A10
E1
DQ7
DQ6
DQ5
DQ4
DQ3
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