DS1343E-3+T&R

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20TSSOP

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DS1343E-3+T&R

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20TSSOP

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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	DS1343E-3+T&R

Features	Leap Year, NVRAM, Alarm, Square Wave Output, Trickle Charger
Interface	SPI
Memory Size	96 B
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	20-TSSOP
Package / Case [x]	0.173 in
Package / Case [y]	4.4 mm
Supplier Device Package	20-TSSOP
Time Format	HH:MM:SS (12/24 hr)
Type	Clock/Calendar
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2.7 V
Voltage - Supply, Battery [Max]	5.5 V
Voltage - Supply, Battery [Min]	1.3 V

DS1343 Series

Part	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Time Format	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Interface	Mounting Type	Memory Size	Package / Case	Features	Package / Case [y]	Package / Case [x]	Current - Timekeeping (Max) [Max]	Current - Timekeeping (Max) [Min]
Analog Devices Inc./Maxim Integrated DS1343D-3+T&R	14-TDFN (3x3)	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	2.7 V	5.5 V	SPI	Surface Mount	96 B	14-WFDFN Exposed Pad	Alarm Leap Year NVRAM Square Wave Output Trickle Charger
Analog Devices Inc./Maxim Integrated DS1343E-3+T&R	20-TSSOP	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	2.7 V	5.5 V	SPI	Surface Mount	96 B	20-TSSOP	Alarm Leap Year NVRAM Square Wave Output Trickle Charger	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1343E-33+	20-TSSOP	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	3 V	5.5 V	SPI	Surface Mount	96 B	20-TSSOP	Alarm Leap Year NVRAM Square Wave Output Trickle Charger	4.4 mm	0.173 in	160 µA	120 µA
Analog Devices Inc./Maxim Integrated DS1343E-18+T&R	20-TSSOP	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	1.71 V	5.5 V	SPI	Surface Mount	96 B	20-TSSOP	Alarm Leap Year NVRAM Square Wave Output Trickle Charger	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1343D-33+T&R	14-TDFN (3x3)	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	3 V	5.5 V	SPI	Surface Mount	96 B	14-WFDFN Exposed Pad	Alarm Leap Year NVRAM Square Wave Output Trickle Charger			160 µA	120 µA
Analog Devices Inc./Maxim Integrated DS1343E-3+	20-TSSOP	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	2.7 V	5.5 V	SPI	Surface Mount	96 B	20-TSSOP	Alarm Leap Year NVRAM Square Wave Output Trickle Charger	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1343E-33+T&R	20-TSSOP	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	3 V	5.5 V	SPI	Surface Mount	96 B	20-TSSOP	Alarm Leap Year NVRAM Square Wave Output Trickle Charger	4.4 mm	0.173 in	160 µA	120 µA
Analog Devices Inc./Maxim Integrated DS1343D-3+	14-TDFN (3x3)	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	2.7 V	5.5 V	SPI	Surface Mount	96 B	14-WFDFN Exposed Pad	Alarm Leap Year NVRAM Square Wave Output Trickle Charger
Analog Devices Inc./Maxim Integrated DS1343D-18+T&R	14-TDFN (3x3)	85 °C	-40 °C	HH:MM:SS (12/24 hr)	1.3 V	5.5 V	Clock/Calendar	1.71 V	5.5 V	SPI	Surface Mount	96 B	14-WFDFN Exposed Pad	Alarm Leap Year NVRAM Square Wave Output Trickle Charger

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 7.23
		10	$ 4.93
		25	$ 4.33
		100	$ 3.66
		250	$ 3.34
		500	$ 3.14
		1000	$ 2.98
	Digi-Reel®	1	$ 7.23
		10	$ 4.93
		25	$ 4.33
		100	$ 3.66
		250	$ 3.34
		500	$ 3.14
		1000	$ 2.98
	Tape & Reel (TR)	2500	$ 2.81