BQ4845YS-A4NTRG4 Overview
There is an embedded version in the package SOIC.Packaged as Tape & Reel (TR).The 28 termination is the practice of terminating a transmission line with a RTC module matched to its characteristic impedance.It is possible to see 5V voltage being supplied to this RTC real time clock.28 pins are attached to it.There should be no more than 0.032MHz frequency in real time clocks' output.This RTC module has a mounting type of Surface Mount.A power supply of 5V is used to power it.28 pins are present on it.In this system, there are 1 timers, which are real time clocks that output a signal at a preset time after an input signal is received.RTC time is important to maintain the supply voltage at 5V in order to maintain high efficiency.RTC time is recommended that the operating temperature be above -40°C.Lower than 85°C should be the operating temperature.There is minimum supply voltage of 4.5V required for real time clocks to operate.In this case, 5.5V is the maximum supply voltage.
BQ4845YS-A4NTRG4 Features
SOIC package
28 terminations
28 pin count
5V power supplies
Be maintained at 5V for high efficiency.

BQ4845YS-A4NTRG4 Applications
There are a lot of Texas Instruments
BQ4845YS-A4NTRG4 Real Time Clocks applications.

Automotive
Industrial
Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering

Mount	Surface Mount
Package / Case	SOIC
Number of Pins	28
Weight	730.794007mg
Packaging	Tape & Reel (TR)
JESD-609 Code	e4
Pbfree Code	yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
HTS Code	8542.39.00.01
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	260
Supply Voltage	5V
Terminal Pitch	1.27mm
Pin Count	28
Operating Supply Voltage	5V
Power Supplies	5V
Temperature Grade	INDUSTRIAL
Interface	Parallel
Max Supply Voltage	5.5V
Min Supply Voltage	4.5V
Clock Frequency	0.032MHz
Logic Function	Clock
External Data Bus Width	8
Number of Timers	1
Time Format	HH:MM:SS
Date Format	YY-MM-DD-dd
Time-Min	SECONDS
Interrupt Capability	Y
Volatile	NO
Length	17.9705mm
Height Seated (Max)	2.667mm
Width	7.5565mm
Radiation Hardening	No
RoHS Status	RoHS Compliant
Lead Free	Contains Lead