m48t86 STMicroelectronics, m48t86 Datasheet - Page 7

• Manufacturer Part Number: m48t86
• Description: 5v Pc Real Time Clock
• Manufacturer: STMicroelectronics

Table 1.
Figure 2.
AD0-AD7
SQW
MOT
RST
RCL
R/W
IRQ
V
V
DS
NC
AS
E
CC
SS
Signal names
24-pin DIP connections
Multiplexed address/data bus
Chip enable input
WRITE enable input
Data strobe input
Address strobe input
Reset Input
RAM clear input
Bus type select input
Square wave output
Interrupt request output
(open drain)
Supply voltage
Ground
Not connected internally
MOT
V SS
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
M48T86
AI01641
24
23
22
21
20
19
18
17
16
15
14
13
V CC
SQW
NC
RCL
NC
IRQ
RST
DS
NC
R/W
AS
E
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