DS1391U-18

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Analog Devices Inc./Maxim Integrated

IC BATT CHG SPI RTC W/TRICKLE

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DS1391U-18

Active

Analog Devices Inc./Maxim Integrated

IC BATT CHG SPI RTC W/TRICKLE

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	DS1391U-18	DS1391 Series

Current - Timekeeping (Max)	100 µA	100 - 175 µA
Features	Trickle-Charger, Leap Year, Alarm, Square Wave Output	Trickle-Charger, Leap Year, Alarm, Square Wave Output
Interface	4-Wire Serial, SPI	SPI, 4-Wire Serial
Mounting Type	Surface Mount	Surface Mount
Operating Temperature [Max]	85 °C	85 °C
Operating Temperature [Min]	-40 °C	-40 °C
Package / Case	10-MSOP, 10-TFSOP	10-MSOP, 10-TFSOP
Package / Case [x]	3 mm	3 mm
Package / Case [x]	0.118 in	0.118 in
Supplier Device Package	10-uMAX	10-uMAX/uSOP, 10-uMAX
Time Format	HH:MM:SS:hh (12/24 hr)	HH:MM:SS:hh (12/24 hr)
Type	Clock/Calendar	Clock/Calendar
Voltage - Supply [Max]	1.89 V	1.89 - 5.5 V
Voltage - Supply [Min]	1.71 V	1.71 - 2.97 V
Voltage - Supply, Battery [Max]	3.7 V	3.7 - 5.5 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	Bulk	133	$ 2.26

DS1391 Series

IC RTC CLK/CALENDAR SPI 10UMAX

Part	Supplier Device Package	Voltage - Supply, Battery [Min]	Voltage - Supply, Battery [Max]	Time Format	Type	Mounting Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Interface	Features	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Package / Case [x]	Package / Case [x]	Current - Timekeeping (Max)
Analog Devices Inc./Maxim Integrated DS1391U-33+	10-uMAX/uSOP	1.3 V	5.5 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	5.5 V	2.97 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in	175 µA
Analog Devices Inc./Maxim Integrated DS1391U-3+T&R	10-uMAX/uSOP	1.3 V	3.7 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	3.3 V	2.7 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in
Analog Devices Inc./Maxim Integrated DS1391U-33+T&R	10-uMAX/uSOP	1.3 V	5.5 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	5.5 V	2.97 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in	175 µA
Analog Devices Inc./Maxim Integrated DS1391U-18+	10-uMAX/uSOP	1.3 V	3.7 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	1.89 V	1.71 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in	100 µA
Analog Devices Inc./Maxim Integrated DS1391U-18	10-uMAX	1.3 V	3.7 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	1.89 V	1.71 V	4-Wire Serial, SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in	100 µA
Analog Devices Inc./Maxim Integrated DS1391U-3+	10-uMAX/uSOP	1.3 V	3.7 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	3.3 V	2.7 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in
Analog Devices Inc./Maxim Integrated DS1391U-33	10-uMAX/uSOP	1.3 V	5.5 V	HH:MM:SS:hh (12/24 hr)	Clock/Calendar	Surface Mount	5.5 V	2.97 V	SPI	Alarm, Leap Year, Square Wave Output, Trickle-Charger	85 °C	-40 °C	10-MSOP, 10-TFSOP	3 mm	0.118 in	175 µA

Description

General part information

DS1391 Series

Real Time Clock (RTC) IC Clock/Calendar SPI, 4-Wire Serial 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Documents

Technical documentation and resources

No documents available