DS12887 Maxim, DS12887 Datasheet - Page 20

• Manufacturer Part Number: DS12887
• Description: The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287
• Manufacturer: Maxim

Real-Time Clocks
20
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NOTE: THE DS12887A AND DS12C887A CANNOT BE STORED OR SHIPPED IN CONDUCTIVE MATERIAL
THAT WILL GIVE A CONTINUITY PATH BETWEEN THE RAM CLEAR PIN AND GROUND.
TOP VIEW
MOT
GND
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
X1
X2
10
11
12
1
2
3
4
5
6
7
8
9
SO, PDIP
DS12885S
DS12885
SQW
MOT
N.C.
N.C.
V
X2
CC
X1
24
23
22
21
20
19
18
17
16
15
14
13
28
26
27
1
2
3
4
V
SQW
N.C.
RCLR
V
IRQ
RESET
DS
GND
R/W
AS
CS
CC
BAT
PLCC
DS12885Q
( ) FOR THE DS12887A/DS12C887A.
18
17
16
15
14
13
12
MOT
GND
N.C.
N.C.
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD6
N.C.
AS
CS
GND
AD7
N.C.
10
11
12
1
2
3
4
5
6
7
8
9
DS12C887A
DS12887A
DS12C887
DS12887
EDIP
Pin Configurations
24
23
22
21
20
19
18
17
16
15
14
13
V
SQW
N.C.
N.C.
(RCLR)
N.C.
IRQ
RESET
DS
N.C.
R/W
AS
CS
CC