Rainbow Electronics DS1393 - Manual (Page 22)

DS1390/DS1391/DS1392/DS1393
Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
22 ____________________________________________________________________
X1
TOP VIEW
X2
V BACKUP
GND
µSOP µSOP
µSOP µSOP
V CC
DOUT
DIN
1
2
3
4
8
7
6
SQW/INT
5
10
9
SCLK
CS
DS1390
X1
X2
V
BACKUP
GND
V
CC
I/O
INT
1
2
3
4
8
7
6
SQW
5
10
9
SCLK
CE
DS1392
X1
X2
V BACKUP
GND
V CC
DOUT
DIN
1
2
3
4
8
7
6
RST
5
10
9
SCLK
CS
DS1391
X1
X2
V BACKUP
GND
V CC
I/O
RST
1
2
3
4
8
7
6
SQW/INT
5
10
9
SCLK
CE
DS1393
Pin Configurations