DS3234SN#

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20SOIC

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20SOIC

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	DS3234SN#	DS3234 Series

Current - Timekeeping (Max) [Max]	160 µA	160 µA
Current - Timekeeping (Max) [Min]	120 µA	120 µA
Features	Leap Year, TCXO/Crystal, Square Wave Output, Alarm, SRAM	Leap Year, TCXO/Crystal, Square Wave Output, Alarm, SRAM
Interface	SPI	SPI
Memory Size	256 B	256 B
Mounting Type	Surface Mount	Surface Mount
Operating Temperature [Max]	85 °C	70 - 85 °C
Operating Temperature [Min]	-40 °C	-40 - 0 °C
Package / Case	20-SOIC	20-SOIC
Package / Case [y]	0.295 in	0.295 in
Package / Case [y]	7.5 mm	7.5 mm
Supplier Device Package	20-SOIC	20-SOIC
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]	2 V	2 V
Voltage - Supply, Battery [Max]	3.8 V	3.8 V
Voltage - Supply, Battery [Min]	2 V	2 V

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

IC RTC CLK/CALENDAR SPI 20SOIC

Part	Type	Time Format	Operating Temperature [Max]	Operating Temperature [Min]	Current - Timekeeping (Max) [Max]	Current - Timekeeping (Max) [Min]	Features	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Supplier Device Package	Package / Case	Package / Case [y]	Package / Case [y]	Memory Size	Mounting Type	Interface	Voltage - Supply [Max]	Voltage - Supply [Min]
Analog Devices Inc./Maxim Integrated DS3234SN#T&R	Clock/Calendar	HH:MM:SS (12/24 hr)	85 °C	-40 °C	160 µA	120 µA	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	2 V	3.8 V	20-SOIC	20-SOIC	0.295 in	7.5 mm	256 B	Surface Mount	SPI	5.5 V	2 V
Analog Devices Inc./Maxim Integrated DS3234SN#	Clock/Calendar	HH:MM:SS (12/24 hr)	85 °C	-40 °C	160 µA	120 µA	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	2 V	3.8 V	20-SOIC	20-SOIC	0.295 in	7.5 mm	256 B	Surface Mount	SPI	5.5 V	2 V
Analog Devices Inc./Maxim Integrated DS3234S#	Clock/Calendar	HH:MM:SS (12/24 hr)	70 °C	0 °C	160 µA	120 µA	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	2 V	3.8 V	20-SOIC	20-SOIC	0.295 in	7.5 mm	256 B	Surface Mount	SPI	5.5 V	2 V
Analog Devices Inc./Maxim Integrated DS3234S#T&R	Clock/Calendar	HH:MM:SS (12/24 hr)	70 °C	0 °C	160 µA	120 µA	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal	2 V	3.8 V	20-SOIC	20-SOIC	0.295 in	7.5 mm	256 B	Surface Mount	SPI	5.5 V	2 V

General part information

Real Time Clock (RTC) IC Clock/Calendar 256B SPI 20-SOIC (0.295", 7.50mm Width)

Technical documentation and resources