DS1390U-18 Maxim Integrated Products, DS1390U-18 Datasheet - Page 24

• Manufacturer Part Number: DS1390U-18
• Description: Real Time Clock Low-Voltage SPI RTC with Trickle Charger
• Manufacturer: Maxim Integrated Products

Specifications of DS1390U-18

• Function: Clock, Calendar, Alarm, Trickle Charger
• Supply Voltage (max): 1.89 V
• Supply Voltage (min): 1.71 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial
• Package / Case: uSOP
• Time Format: HH:MM:SS:hh

Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
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TOP VIEW
V
V
BACKUP
BACKUP
GND
GND
CS
X1
X2
X1
X2
CE
1
2
3
4
5
1
2
3
4
5
DS1390/
DS1394
DS1392
μSOP
μSOP
10
10
9
8
7
6
9
8
7
6
V
SQW/INT
SCLK
DOUT
DIN
V
SQW
SCLK
I/O
INT
CC
CC
V
V
BACKUP
BACKUP
GND
GND
CE
CS
X1
X2
X1
X2
1
2
3
4
5
1
2
3
4
5
DS1393
DS1391
μSOP
μSOP
Pin Configurations
10
10
9
8
7
6
9
8
7
6
V
SQW/INT
SCLK
I/O
RST
V
RST
SCLK
DOUT
DIN
CC
CC