DS1501YZN+ Overview
In the 28-SOIC (0.295, 7.50mm Width) package, real time clocks is embedded as a dependency.Tube 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 -40°C~85°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.When a transmission line is terminated with 28 terminations, it means that the RTC module that terminates the line matches its characteristic impedance.It should be noted that this RTC real time clock is being supplied with 5V voltage at the moment.A total of 28 pins are equipped with the RTCs.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.The frequency of real time clocks' output should not exceed 0.032MHz.Mounting type Surface Mount, Through Hole is chosen for the RTC module.In order for it to be powered, it requires a power supply of 5V.There are 28 pins on it.When an input signal is received, 1 timers are used to output a signal at a preset time.Optimal efficiency can be achieved by maintaining the supply voltage at 5V.
DS1501YZN+ Features
28-SOIC (0.295, 7.50mm Width) package
28 terminations
28 pin count
5V power supplies
Be maintained at 5V for high efficiency.

DS1501YZN+ Applications
There are a lot of Maxim Integrated
DS1501YZN+ 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	6 Weeks
Contact Plating	Tin
Mount	Surface Mount, Through Hole
Mounting Type	Surface Mount
Package / Case	28-SOIC (0.295, 7.50mm Width)
Number of Pins	28
Operating Temperature	-40°C~85°C
Packaging	Tube
Published	2002
Feature	Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
ECCN Code	EAR99
Type	Clock/Calendar
HTS Code	8473.30.11.80
Voltage - Supply	4.5V~5.5V
Terminal Position	DUAL
Supply Voltage	5V
Terminal Pitch	1.27mm
Base Part Number	DS1501
Pin Count	28
Operating Supply Voltage	5V
Power Supplies	5V
Interface	Parallel
Memory Size	256B
Clock Frequency	0.032MHz
Logic Function	Clock
Number of Timers	1
Time Format	HH:MM:SS (24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	5mA @ 4.5V~5.5V
Time-Min	SECONDS
Interrupt Capability	Y
Voltage - Supply, Battery	2.5V~3.7V
Volatile	YES
Height	2.35mm
Length	18.1mm
Width	7.6mm
REACH SVHC	Unknown
Radiation Hardening	No
RoHS Status	ROHS3 Compliant