DS1340Z-18+

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR I2C 8SOIC

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DS1340Z-18+

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR I2C 8SOIC

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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	DS1340Z-18+

Current - Timekeeping (Max)	100 µA
Features	Trickle-Charger, Leap Year
Interface	I2C, 2-Wire Serial
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	8-SOIC
Time Format	HH:MM:SS (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

DS1340 Series

Part	Time Format	Mounting Type	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Supplier Device Package	Type	Interface	Package / Case	Package / Case [custom]	Package / Case	Voltage - Supply [Max]	Voltage - Supply [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Features	Package / Case [y]	Package / Case [x]	Current - Timekeeping (Max)
Analog Devices Inc./Maxim Integrated DS1340U-33+	HH:MM:SS (24 hr)	Surface Mount	1.3 V	5.5 V	8-uMAX/uSOP	Clock/Calendar	2-Wire Serial I2C	8-MSOP 8-TSSOP	0.118 in	3 mm	5.5 V	2.97 V	85 °C	-40 °C	Leap Year Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1340Z-33+	HH:MM:SS (24 hr)	Surface Mount	1.3 V	5.5 V	8-SOIC	Clock/Calendar	2-Wire Serial I2C	8-SOIC			5.5 V	2.97 V	85 °C	-40 °C	Leap Year Trickle-Charger	3.9 mm	0.154 in
Analog Devices Inc./Maxim Integrated DS1340C-3#	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	16-SOIC	Clock/Calendar	2-Wire Serial I2C	16-SOIC			5.5 V	2.7 V	85 °C	-40 °C	Leap Year Trickle-Charger	7.5 mm	0.295 in	125 µA
Analog Devices Inc./Maxim Integrated DS1340C-18#	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	16-SOIC	Clock/Calendar	2-Wire Serial I2C	16-SOIC			5.5 V	1.71 V	85 °C	-40 °C	Leap Year Trickle-Charger	7.5 mm	0.295 in	100 µA
Analog Devices Inc./Maxim Integrated DS1340Z-3+T&R	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	8-SOIC	Clock/Calendar	2-Wire Serial I2C	8-SOIC			5.5 V	2.7 V	85 °C	-40 °C	Leap Year Trickle-Charger	3.9 mm	0.154 in	125 µA
Analog Devices Inc./Maxim Integrated DS1340Z-18+	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	8-SOIC	Clock/Calendar	2-Wire Serial I2C	8-SOIC			5.5 V	1.71 V	85 °C	-40 °C	Leap Year Trickle-Charger	3.9 mm	0.154 in	100 µA
Analog Devices Inc./Maxim Integrated DS1340U-3	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	8-uMAX/uSOP	Clock/Calendar	2-Wire Serial I2C	8-MSOP 8-TSSOP	0.118 in	3 mm	5.5 V	2.7 V	85 °C	-40 °C	Leap Year Trickle-Charger			125 µA
Analog Devices Inc./Maxim Integrated DS1340Z-33/T&R	HH:MM:SS (24 hr)	Surface Mount	1.3 V	5.5 V	8-SOIC	Clock/Calendar	2-Wire Serial I2C	8-SOIC			5.5 V	2.97 V	85 °C	-40 °C	Leap Year Trickle-Charger	3.9 mm	0.154 in
Analog Devices Inc./Maxim Integrated DS1340C-33#	HH:MM:SS (24 hr)	Surface Mount	1.3 V	5.5 V	16-SOIC	Clock/Calendar	2-Wire Serial I2C	16-SOIC			5.5 V	2.97 V	85 °C	-40 °C	Leap Year Trickle-Charger	7.5 mm	0.295 in
Analog Devices Inc./Maxim Integrated DS1340U-3+	HH:MM:SS (24 hr)	Surface Mount	1.3 V	3.7 V	8-uMAX/uSOP	Clock/Calendar	2-Wire Serial I2C	8-MSOP 8-TSSOP	0.118 in	3 mm	5.5 V	2.7 V	85 °C	-40 °C	Leap Year Trickle-Charger			125 µA

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	$ 8.33
		10	$ 5.72
		25	$ 5.05
		100	$ 4.30
		250	$ 3.93
		500	$ 3.71
		1000	$ 3.52
		2500	$ 3.39

Description

General part information

DS1340 Series

Real Time Clock (RTC) IC Clock/Calendar I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)

Documents

Technical documentation and resources