DS1305EN+T&R

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20TSSOP

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DS1305EN+T&R

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Analog Devices Inc./Maxim Integrated

IC RTC CLK/CALENDAR SPI 20TSSOP

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	DS1305EN+T&R

Current - Timekeeping (Max) [Max]	81 µA
Current - Timekeeping (Max) [Min]	25.3 µA
Features	Leap Year, NVSRAM, Trickle-Charger, Alarm
Interface	SPI
Memory Size	96 B
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	20-TSSOP
Package / Case [x]	0.173 in
Package / Case [y]	4.4 mm
Supplier Device Package	20-TSSOP
Time Format	HH:MM:SS (12/24 hr)
Type	Clock/Calendar
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	2 V
Voltage - Supply, Battery [Max]	5.5 V
Voltage - Supply, Battery [Min]	2 V

DS1305 Series

Part	Mounting Type	Current - Timekeeping (Max) [Max]	Current - Timekeeping (Max) [Min]	Time Format	Memory Size	Voltage - Supply [Max]	Voltage - Supply [Min]	Package / Case	Package / Case	Package / Case	Features	Interface	Operating Temperature [Max]	Operating Temperature [Min]	Type	Voltage - Supply, Battery [Max]	Voltage - Supply, Battery [Min]	Supplier Device Package	Package / Case [y]	Package / Case [x]
Analog Devices Inc./Maxim Integrated DS1305N	Through Hole	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V	0.3 in	16-DIP	7.62 mm	Alarm Leap Year NVSRAM Trickle-Charger	SPI	85 °C	-40 °C	Clock/Calendar	5.5 V	2 V	16-PDIP
Analog Devices Inc./Maxim Integrated DS1305EN+T&R	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	85 °C	-40 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305E+	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305E+T&R	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305EN+	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	85 °C	-40 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305	Through Hole	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V	0.3 in	16-DIP	7.62 mm	Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	16-PDIP
Analog Devices Inc./Maxim Integrated DS1305+	Through Hole	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V	0.3 in	16-DIP	7.62 mm	Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	16-PDIP
Analog Devices Inc./Maxim Integrated DS1305EN	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	85 °C	-40 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305E/T&R	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in
Analog Devices Inc./Maxim Integrated DS1305E	Surface Mount	81 µA	25.3 µA	HH:MM:SS (12/24 hr)	96 B	5.5 V	2 V		20-TSSOP		Alarm Leap Year NVSRAM Trickle-Charger	SPI	70 °C	0 °C	Clock/Calendar	5.5 V	2 V	20-TSSOP	4.4 mm	0.173 in

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 8.96
		10	$ 6.18
		25	$ 5.47
		100	$ 4.66
		250	$ 4.28
		500	$ 4.04
		1000	$ 3.84
	Digi-Reel®	1	$ 8.96
		10	$ 6.18
		25	$ 5.47
		100	$ 4.66
		250	$ 4.28
		500	$ 4.04
		1000	$ 3.84
	Tape & Reel (TR)	2500	$ 3.73