Integrated Circuits (ICs)

DS1391U-18

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Analog Devices Inc./Maxim Integrated

IC BATT CHG SPI RTC W/TRICKLE

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Integrated Circuits (ICs)

DS1391U-18

Active

Analog Devices Inc./Maxim Integrated

IC BATT CHG SPI RTC W/TRICKLE

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	DS1391U-18

Current - Timekeeping (Max)	100 µA
Date Format	YY-MM-DD-dd
Features	Alarm, Square Wave Output, Trickle-Charger, Leap Year
Interface	SPI, 4-wire Serial
Mounting Type	Surface Mount
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package	10-uMAX
Time Format	HH:MM:SS:hh (12/24 hr)
Type	Clock/Calendar
Voltage - Supply [Max]	1.89 V
Voltage - Supply [Min]	1.71 V
Voltage - Supply, Battery [Max]	3.7 V
Voltage - Supply, Battery [Min]	1.3 V

DS1391 Series

Part	Time Format	Current - Timekeeping (Max)	Interface	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Date Format	Supplier Device Package	Features	Voltage - Supply, Battery [Max]	Voltage - Supply, Battery [Min]	Type	Mounting Type	Package / Case
Analog Devices Inc./Maxim Integrated DS1391U-18	HH:MM:SS:hh (12/24 hr)	100 µA	4-wire Serial SPI	85 C	-40 ¯C	1.89 V	1.71 V	YY-MM-DD-dd	10-uMAX	Alarm Leap Year Square Wave Output Trickle-Charger	3.7 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-3+T&R	HH:MM:SS:hh (12/24 hr)	125 µA	SPI	85 °C	-40 C	3.3 V	2.7 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	3.7 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-33+T&R	HH:MM:SS:hh (12/24 hr)	175 µA	SPI	85 °C	-40 C	5.5 V	2.97 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	5.5 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-33+	HH:MM:SS:hh (12/24 hr)	175 µA	SPI	85 °C	-40 C	5.5 V	2.97 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	5.5 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-33	HH:MM:SS:hh (12/24 hr)	175 µA	SPI	85 °C	-40 C	5.5 V	2.97 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	5.5 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-18+	HH:MM:SS:hh (12/24 hr)	100 µA	SPI	85 °C	-40 C	1.89 V	1.71 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	3.7 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)
Analog Devices Inc./Maxim Integrated DS1391U-3+	HH:MM:SS:hh (12/24 hr)	125 µA	SPI	85 °C	-40 C	3.3 V	2.7 V	YY-MM-DD-dd	10-uMAX/uSOP	Alarm Leap Year Square Wave Output Trickle-Charger	3.7 V	1.3 V	Clock/Calendar	Surface Mount	10-TFSOP 10-MSOP (0.118" 3.00mm Width)

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	Bulk	133	$ 2.26	1m+

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