Specification	DS1302SN/T&R

Current - Timekeeping (Max) Maximum	1 µA
Current - Timekeeping (Max) Minimum	0.3 µA
Date Format	YY-MM-DD-dd
Features	Leap Year, NVSRAM, Trickle-Charger
Interface	3-Wire Serial
Memory Size	31 B
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package Length	0.209 in
Package Name	8-SOIC
Package Width	5.3 mm
Time Format	HH:MM:SS (12/24 hr)
Type	Clock/Calendar
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	2 V
Voltage - Supply, Battery (Maximum)	5.5 V
Voltage - Supply, Battery (Minimum)	2 V

DS1302 Series

Part	Time Format	Voltage - Supply, Battery (Maximum)	Voltage - Supply, Battery (Minimum)	Interface	Memory Size	Package Length	Package Name	Package Width	Date Format	Mounting Type	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Operating Temperature (Max)	Operating Temperature (Min)	Type	Current - Timekeeping (Max) Maximum	Current - Timekeeping (Max) Minimum	Features
Analog Devices Inc./Maxim Integrated DS1302Z+T&R	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.154 in	8-SOIC	3.9 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302SN-16/T&R	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.295 in	16-SOIC	7.5 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	85 °C	-40 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302+	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.3 in	8-DIP 8-PDIP	7.62 mm	YY-MM-DD-dd	Through Hole	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302S/T&R	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.209 in	8-SOIC	5.3 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302Z/T&R	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.154 in	8-SOIC	3.9 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302Z+	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.154 in	8-SOIC	3.9 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302S-16	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.295 in	16-SOIC	7.5 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	70 °C	0 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302SN+	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.209 in	8-SOIC	5.3 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	85 °C	-40 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302SN-16	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.295 in	16-SOIC	7.5 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	85 °C	-40 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger
Analog Devices Inc./Maxim Integrated DS1302ZN	HH:MM:SS (12/24 hr)	5.5 V	2 V	3-Wire Serial	31 B	0.154 in	8-SOIC	3.9 mm	YY-MM-DD-dd	Surface Mount	5.5 V	2 V	85 °C	-40 °C	Clock/Calendar	1 µA	0.3 µA	Leap Year NVSRAM Trickle-Charger

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DS1302SN/T&R | Datasheet