DS1338C-18#

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR I2C 16SOIC

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DS1338C-18#

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR I2C 16SOIC

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DocumentsDatasheet Tips for Writing Bulletproof Real-Time Clock Control Code

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	DS1338C-18#	DS1338 Series

Current - Timekeeping (Max)	100 µA	100 µA
Current - Timekeeping (Max)	-	125 µA
Current - Timekeeping (Max)	-	200 µA
Features	NVSRAM, Leap Year, Square Wave Output	NVSRAM, Leap Year, Square Wave Output
Interface	I2C, 2-Wire Serial	I2C, 2-Wire Serial
Memory Size	56 B	56 B
Mounting Type	Surface Mount	Surface Mount
Operating Temperature [Max]	85 °C	85 °C
Operating Temperature [Min]	-40 °C	-40 °C
Package / Case	16-SOIC	8-SOIC, 16-SOIC, 8-MSOP, 8-TSSOP
Package / Case	-	0.118 in
Package / Case	-	3 mm
Package / Case [x]	0.295 in	0.154 - 0.295 in
Package / Case [y]	7.5 mm	3.9 - 7.5 mm
Supplier Device Package	16-SOIC	8-SOIC, 16-SOIC, 8-uMAX/uSOP
Time Format	HH:MM:SS (12/24 hr)	HH:MM:SS (12/24 hr)
Type	Clock/Calendar	Clock/Calendar
Voltage - Supply [Max]	5.5 V	5.5 V
Voltage - Supply [Min]	1.71 V	1.71 - 3 V
Voltage - Supply, Battery [Max]	3.7 V	3.7 V
Voltage - Supply, Battery [Min]	1.3 V	1.3 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	138	$ 5.08

DS1338 Series

IC RTC CLK/CALENDAR I2C 8SOIC

Part	Features	Memory Size	Package / Case	Package / Case [y]	Package / Case [x]	Time Format	Interface	Current - Timekeeping (Max) [Min]	Current - Timekeeping (Max) [Max]	Mounting Type	Supplier Device Package	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Voltage - Supply [Max]	Voltage - Supply [Min]	Type	Operating Temperature [Max]	Operating Temperature [Min]	Current - Timekeeping (Max)	Package / Case [custom]	Package / Case
Analog Devices Inc./Maxim Integrated DS1338Z-33	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338Z-3+	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338C-33#	Leap Year, NVSRAM, Square Wave Output	56 B	16-SOIC	7.5 mm	0.295 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	16-SOIC	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338U-18+	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA	0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338U-33/T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338Z-18	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA
Analog Devices Inc./Maxim Integrated DS1338Z-33+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338Z-18+	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA
Analog Devices Inc./Maxim Integrated DS1338U-33+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338U-33+	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338U-3	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338C-3#	Leap Year, NVSRAM, Square Wave Output	56 B	16-SOIC	7.5 mm	0.295 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	16-SOIC	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338C-18#	Leap Year, NVSRAM, Square Wave Output	56 B	16-SOIC	7.5 mm	0.295 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	16-SOIC	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA
Analog Devices Inc./Maxim Integrated DS1338U-18+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA	0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338Z-3+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338Z-33+	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338U-18	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA	0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338U-3+	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm
Analog Devices Inc./Maxim Integrated DS1338Z-3	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338C-33#T&R	Leap Year, NVSRAM, Square Wave Output	56 B	16-SOIC	7.5 mm	0.295 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C	125 µA	200 µA	Surface Mount	16-SOIC	1.3 V	3.7 V	5.5 V	3 V	Clock/Calendar	85 °C	-40 °C
Analog Devices Inc./Maxim Integrated DS1338Z-18+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-SOIC	3.9 mm	0.154 in	HH:MM:SS (12/24 hr)	2-Wire Serial, I2C			Surface Mount	8-SOIC	1.3 V	3.7 V	5.5 V	1.71 V	Clock/Calendar	85 °C	-40 °C	100 µA
Analog Devices Inc./Maxim Integrated DS1338U-3+T&R	Leap Year, NVSRAM, Square Wave Output	56 B	8-MSOP, 8-TSSOP			HH:MM:SS (12/24 hr)	2-Wire Serial, I2C		200 µA	Surface Mount	8-uMAX/uSOP	1.3 V	3.7 V	5.5 V	2.7 V	Clock/Calendar	85 °C	-40 °C		0.118 in	3 mm

Description

General part information

DS1338 Series

Real Time Clock (RTC) IC Clock/Calendar 56B I2C, 2-Wire Serial 16-SOIC (0.295", 7.50mm Width)

Documents

Technical documentation and resources