X1227S8I-2.7A Overview
real time clocks is located in package SOIC.As of Bulk, time clock is packaged in this way.There is the possibility of terminating transmission lines with 8 terminations, which means that the equipment used to terminate the line will match its characteristic impedance.In this case, the voltage supplied to the electronic component is 5V.A total of 8 pins are included in this product.There should be no frequency greater than 0.032MHz in real time clocks' output.Mounting type Surface Mount matches the RTC module.For powering the real time clock, a power supply with a voltage of 3/5V is used.1 timer real time clocks send out a signal at a preset time based on input signals.RTC time is advisable to operate at a temperature above -40°C.85°C is the optimal operating temperature.Supply voltage reaches 5.5V (Vsup) at maximum.A TIMER, REAL TIME CLOCK is the type of uPs, uCs, and peripheral ICs found in this electrical real time analog clock.Vsup (supply voltage) should remain above 2.7V.
X1227S8I-2.7A Features
SOIC package
8 terminations
8 pin count
3/5V power supplies

X1227S8I-2.7A Applications
There are a lot of Intersil (Renesas Electronics America)
X1227S8I-2.7A Real Time Clocks applications.

Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter
Network powered devices
Battery backed up systems

Mount	Surface Mount
Package / Case	SOIC
Packaging	Bulk
JESD-609 Code	e0
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	8
ECCN Code	EAR99
Terminal Finish	Tin/Lead (Sn/Pb)
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
HTS Code	8542.39.00.01
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	240
Supply Voltage	5V
Terminal Pitch	1.27mm
Time@Peak Reflow Temperature-Max (s)	40
Pin Count	8
JESD-30 Code	R-PDSO-G8
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	5.5V
Power Supplies	3/5V
Temperature Grade	INDUSTRIAL
Supply Voltage-Min (Vsup)	2.7V
Interface	2-Wire, I2C, Serial
uPs/uCs/Peripheral ICs Type	TIMER, REAL TIME CLOCK
Clock Frequency	0.032MHz
Number of Timers	1
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
Time-Min	SECONDS
Interrupt Capability	Y
Volatile	NO
Information Access Method	I2C
Length	4.9022mm
Height Seated (Max)	1.7272mm
Width	3.9116mm
RoHS Status	RoHS Compliant
Lead Free	Contains Lead
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154, 3.90mm Width)
Operating Temperature	-40°C~85°C
Packaging	Tube
Feature	Alarm, Leap Year, Supervisor, Watchdog Timer
Part Status	Obsolete
Type	Clock/Calendar
Voltage - Supply	2.7V~5.5V
Base Part Number	X1227
Interface	I2C, 2-Wire Serial
Current - Timekeeping (Max)	10μA~20μA @ 2.7V~5V
Voltage - Supply, Battery	1.8V~5.5V
RoHS Status	Non-RoHS Compliant