DS1501YZ+T&R Overview
In the 28-SOIC (0.295, 7.50mm Width) package, real time clocks is embedded as a dependency.Tape & Reel (TR) is the package format.In this electrical RTC, the supply voltage is 4.5V~5.5V.Clock/Calendar is the type of electrical real time clock that is being used.As you can see from the diagram, this electronic component is mounted in the way of Surface Mount.There should be 0°C~70°C operating temperature.When operating, electronic time clocks are possible to ensure that Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K are maintained.The family in which RTCs belongs are DS1501.A voltage of 2.5V~3.7V is supplied to this electrical digital time clock.RTC times embed a memory of 256B for storing programs and data.Mounting type Surface Mount is chosen for the RTC module.There are 28 pins on it.Optimal efficiency can be achieved by maintaining the supply voltage at 5V.A temperature higher than 0°C is ideal for operating.RTC time is recommended to keep the operating temperature below 70°C.Minimum supply voltage is 4.5V, so real time clocks can operate on any voltage.Real time clocks are powered by a voltage of 5.5V, which is its maximum supply voltage.
DS1501YZ+T&R Features
28-SOIC (0.295, 7.50mm Width) package
Be maintained at 5V for high efficiency.

DS1501YZ+T&R Applications
There are a lot of Maxim Integrated
DS1501YZ+T&R Real Time Clocks applications.

Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter

Factory Lead Time	8 Weeks
Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295, 7.50mm Width)
Number of Pins	28
Supplier Device Package	28-SOIC
Operating Temperature	0°C~70°C
Packaging	Tape & Reel (TR)
Published	2002
Feature	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Type	Clock/Calendar
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Voltage - Supply	4.5V~5.5V
Base Part Number	DS1501
Operating Supply Voltage	5V
Interface	Parallel
Max Supply Voltage	5.5V
Min Supply Voltage	4.5V
Memory Size	256B
Logic Function	Clock
Time Format	HH:MM:SS (24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	5mA @ 4.5V~5.5V
Voltage - Supply, Battery	2.5V~3.7V
Radiation Hardening	No
RoHS Status	ROHS3 Compliant