DS1339BU+

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Analog Devices Inc./Maxim Integrated

IC RTC CLOCK/CALENDAR I2C 8UMAX

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DS1339BU+

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Analog Devices Inc./Maxim Integrated

IC RTC CLOCK/CALENDAR I2C 8UMAX

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DocumentsDatasheet Tips for Writing Bulletproof Real-Time Clock Control Code

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	DS1339BU+

Current - Timekeeping (Max)	200 µA
Features	Trickle-Charger, Leap Year, Alarm, Square Wave Output
Interface	I2C, 2-Wire Serial
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-MSOP, 8-TSSOP
Package / Case	3 mm
Package / Case [custom]	0.118 in
Supplier Device Package	8-uMAX/uSOP
Time Format	HH:MM:SS (12/24 hr)
Type	Clock/Calendar
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.71 V
Voltage - Supply, Battery [Max]	3.7 V
Voltage - Supply, Battery [Min]	1.3 V

DS1339 Series

Part	Interface	Type	Supplier Device Package	Package / Case	Package / Case [custom]	Package / Case	Current - Timekeeping (Max)	Mounting Type	Time Format	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Features	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Package / Case [x]	Package / Case [y]
Analog Devices Inc./Maxim Integrated DS1339AU+T	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	1.71 V
Analog Devices Inc./Maxim Integrated DS1339C-33#T&R	2-Wire Serial I2C	Clock/Calendar	16-SOIC	16-SOIC			200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.97 V	0.295 in	7.5 mm
Analog Devices Inc./Maxim Integrated DS1339U-33+T&R	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.97 V
Analog Devices Inc./Maxim Integrated DS1339BU+	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	1.71 V
Analog Devices Inc./Maxim Integrated DS1339U-2+	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	100 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	1.8 V
Analog Devices Inc./Maxim Integrated DS1339U-33	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.97 V
Analog Devices Inc./Maxim Integrated DS1339C-33	2-Wire Serial I2C	Clock/Calendar	16-SOIC	16-SOIC			200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.97 V	0.295 in	7.5 mm
Analog Devices Inc./Maxim Integrated DS1339AU+	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	1.71 V
Analog Devices Inc./Maxim Integrated DS1339U-3+T&R	2-Wire Serial I2C	Clock/Calendar	8-uMAX/uSOP	8-MSOP 8-TSSOP	0.118 in	3 mm	150 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.7 V
Analog Devices Inc./Maxim Integrated DS1339C-33#	2-Wire Serial I2C	Clock/Calendar	16-SOIC	16-SOIC			200 µA	Surface Mount	HH:MM:SS (12/24 hr)	1.3 V	3.7 V	Alarm Leap Year Square Wave Output Trickle-Charger	85 °C	-40 °C	5.5 V	2.97 V	0.295 in	7.5 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 5.80
		10	$ 3.99
		25	$ 3.52
		100	$ 3.35

Description

General part information

DS1339 Series

Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Documents

Technical documentation and resources