Specification	DS1251W-120IND

Current - Timekeeping (Max)	7 mA
Date Format	YY-MM-DD-dd
Features	Leap Year, NVSRAM
Interface	Parallel
Memory Size	512 kB
Mounting Type	Through Hole
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package Length	0.6 in
Package Name	32-EDIP, 32-DIP Module
Package Width	15.24 mm
Time Format	HH:MM:SS:hh (12/24 hr)
Type	Phantom Time Chip
Voltage - Supply (Maximum)	3.63 V
Voltage - Supply (Minimum)	2.97 V

DS1251 Series

Part	Type	Operating Temperature (Max)	Operating Temperature (Min)	Package Width	Package Name	Package Length	Current - Timekeeping (Max)	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Features	Date Format	Time Format	Interface	Memory Size	Mounting Type	Package / Case	Voltage - Supply, Battery
Analog Devices Inc./Maxim Integrated DS1251W-120	Phantom Time Chip	70 °C	0 °C	15.24 mm	32-DIP Module 32-EDIP	0.6 in	7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Through Hole
Analog Devices Inc./Maxim Integrated DS1251WP-120IND	Phantom Time Chip	85 °C	-40 °C		34-PowerCap Module		7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Surface Mount	34-PowerCap™ Module	3 V
Analog Devices Inc./Maxim Integrated DS1251W-120IND+	Phantom Time Chip	85 °C	-40 °C	15.24 mm	32-DIP Module 32-EDIP	0.6 in	7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Through Hole
Analog Devices Inc./Maxim Integrated DS1251WP-120IND+	Phantom Time Chip	85 °C	-40 °C		34-PowerCap Module		7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Surface Mount	34-PowerCap™ Module	3 V
Analog Devices Inc./Maxim Integrated DS1251YP-70	Phantom Time Chip	70 °C	0 °C		34-PowerCap Module		10 mA	5.5 V	4.5 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Surface Mount	34-PowerCap™ Module	3 V
Analog Devices Inc./Maxim Integrated DS1251YP-70IND+	Phantom Time Chip	85 °C	-40 °C		34-PowerCap Module		10 mA	5.5 V	4.5 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	64 kB	Surface Mount	34-PowerCap™ Module	3 V
Analog Devices Inc./Maxim Integrated DS1251WP-C02+	Phantom Time Chip	70 °C	0 °C				7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB			3 V
Analog Devices Inc./Maxim Integrated DS1251W-120IND	Phantom Time Chip	85 °C	-40 °C	15.24 mm	32-DIP Module 32-EDIP	0.6 in	7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Through Hole
Analog Devices Inc./Maxim Integrated DS1251WP-120+	Phantom Time Chip	70 °C	0 °C		34-PowerCap Module		7 mA	3.63 V	2.97 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Surface Mount	34-PowerCap™ Module	3 V
Analog Devices Inc./Maxim Integrated DS1251Y-70+	Phantom Time Chip	70 °C	0 °C	15.24 mm	32-DIP Module 32-EDIP	0.6 in	10 mA	5.5 V	4.5 V	Leap Year NVSRAM	YY-MM-DD-dd	HH:MM:SS:hh (12/24 hr)	Parallel	512 kB	Through Hole

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