Datasheet

DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
28 ____________________________________________________________________
Pin Configurations
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
V
CC
SQW
V
BAUX
RCLRAD0
X2
X1
PWR
TOP VIEW
V
BAT
IRQ
KS
RDAD4
AD3
AD2
AD1
16
15
14
13
9
10
11
12
GND
WR
ALE
CSGND
AD7
AD6
AD5
SO, PDIP
DS17285
DS17485
DS17885
V
CC
SQW
V
BAUX
RCLR
AD0
N.C.
N.C.
PWR
N.C.
IRQ
KS
RDAD4
AD3
AD2
AD1
N.C.
WR
ALE
CSGND
AD7
AD6
AD5
EDIP
DS17287
DS17487
DS17887
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
V
BAUX
28
27
26
25
24
23
22
KS
RD
GND
WR
ALE
CS
GND
21 GND
20 AD7
19 AD6
18 N.C.
17 AD5
16 AD4
15 AD3
RCLR
V
BAT
IRQ
V
CC
V
CC
PWR
X1
X2
N.C.
AD0
AD1
4
1
2
3
5
6
7
8
9
10
11
12
13
14
AD2
SQW
TSOP
DS17285
DS17485
DS17885