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Part Name
Description
M48T86PC1TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M48T86PC1TR
5.0 V PC real-time clock
STMicroelectronics
M48T86PC1TR Datasheet PDF : 36 Pages
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Description
M48T86
Figure 3. 28-pin SOIC connections
NC 1
28 NC
MOT 2
NC 3
27 VCC
26 SQW
NC 4
25 NC
AD0 5
24 RCL
AD1 6
23 NC
AD2 7
22 IRQ
M48T86
AD3 8
21 RST
AD4 9
20 DS
AD5 10
19 NC
AD6 11
)
AD7 12
t(s
VSS 13
c
VSS 14
Produ
t(s)
Figure 4. Block diagram
18
17
16
15
AI01642
R/W
AS
E
NC
solete
roduc
OSCILLATOR
/8
/ 64
/ 64
)
- Ob
lete P
E
t(s
so
VCC
lete
Prod
d
u
u
c
ct(s) - Ob
VBAT
POWER
SWITCH
AND
WRITE
PROTECT
VCC
POK
PERIODIC INTERRUPT/SQUARE WAVE SELECTOR
CLOCK/
CALENDAR
UPDATE
SQUARE WAVE
OUTPUT
REGISTERS A,B,C,D
SQW
IRQ
RST
CLOCK CALENDAR,
AND ALARM RAM
DOUBLE
BUFFERED
bso
Pro
DS
O
te
R/W
le
AS
Obso
AD0-AD7
BUS
INTERFACE
BCD/BINARY
INCREMENT
STORAGE
REGISTERS
(114 BYTES)
RCL
AI01643
8/36
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