DS1390 Datasheet, PDF (22/24 Pages) Maxim Integrated Products – Low-Voltage SPI/3-Wire RTCs with Trickle Charger

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