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M48T86 数据表(PDF) 7 Page - STMicroelectronics

部件名 M48T86
功能描述  5.0 V PC real-time clock
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M48T86 数据表(HTML) 7 Page - STMicroelectronics

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



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