DS1390U-3+ Maxim Integrated Products, DS1390U-3+ Datasheet - Page 24

• Manufacturer Part Number: DS1390U-3+
• Description: IC RTC SPI/3WIRE LV 10-USOP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/Trickle-Chargerr

Specifications of DS1390U-3+

• Time Format: HH:MM:SS:hh (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Function: Clock/Calendar/Alarm/Trickle Charger
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (4-Wire, SPI)
• Supply Current: 2 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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