DS1501Y+

Interface:	Parallel
Base Part Number:	DS1501
Supplier Device Package:	28-PDIP
Package / Case:	28-DIP (0.600", 15.24mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C
Current - Timekeeping (Max):	5mA @ 4.5V ~ 5.5V
Voltage - Supply, Battery:	2.5 V ~ 3.7 V
Voltage - Supply:	4.5 V ~ 5.5 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS (24 hr)
Memory Size:	256B
Features:	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
Type:	Clock/Calendar
Part Status:	Not For New Designs
Packaging:	Tube

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DS1501Y+ Application Field and Working Principle

DS1501Y+ Clock/Timing Real Time Clocks are highly accurate, low-power devices that are used in a variety of applications, from automotive systems to industrial automation, from medical equipment to telecom.The device gets its long-term accuracy from an oscillator and temperature compensation circuit that are built into its silicon chip. In addition, the DS1501Y+ is also equipped with backup power and high temperature compensation features.DS1501Y+ clocks feature fast startup, low-power operation, and pin-programmable features including an alarm or interrupt signal, watch crystal output, and shutdown mode. The DS1501Y+ is supplied in the tiny 3 mm x 3 mm S1 package with 0.9 mm body height and is suitable for space-critical applications.The DS1501Y+ Clock/Timing Real Time Clocks are usually used in applications with continuous time information, often requiring the data to be up-to-date after power loss or interference. This low power device is designed to run by using either its primary or backup power supply. It offers a wide operating temperature range and is optimally suited for remotely located systems.The DS1501Y+ includes a highly accurate voltage controlled oscillator (VCO) and temperature compensation circuit (TC) which provides long-term accuracy of up to ± 3ppm over the entire operating temperature range (-20°C to +85°C) and maintains its accuracy over time. It features a free-running or programmable PDR or I2C bus interface for dynamic synchronization for fast information exchange and data exchange.The DS1501Y+ features many features that can be user-configured to suit various applications including an alarm or interrupt signal, watch crystal output, a selectable logic family, and shutdown mode. Its integrated backup power provides continuous time information even in the event of a power failure.The DS1501Y+ is an ideal choice for automotive, industrial automation, medical, and telecom applications. It offers a number of advantages over other clocks, such as fast startup, low power consumption, high temperature performance, and a wide operating temperature range (-20°C to +85°C). The device provides tight time accuracy of up to ±3ppm over the operating temperature range, permitting precision control of time-sensitive processes. It also offers pin-programmable features, making it upgradeable and flexible to fit the needs of any applications.The DS1501Y+ device is the perfect combination of an ultra-low-power, high-performance and small package size for space-critical applications, making it the ideal choice for a wide range ofReal Time Clock applications.

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