PCF2127AT/1,512 Overview
Real time clocks is embedded in the 20-SOIC (0.295, 7.50mm Width) package.Time clock is packaged in the way of Tube.The supply voltage of this electrical RTC is 1.8V~4.2V.The type of this electrical real time clock is Clock/Calendar.This real time clock (RTC) is mounted in the way of Surface Mount.The operating temperature should be -40°C~85°C.Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer can be ensured when operating.It is equipped with 20 pins.RTCs belongs to PCF2127 family.The supply voltage of this electrical digital time clock is 1.8V~4.2V.The RTC times embed a memory of 512B available for storing programs and data.
PCF2127AT/1,512 Features
20-SOIC (0.295, 7.50mm Width) package
20 pin count

PCF2127AT/1,512 Applications
There are a lot of NXP USA Inc.
PCF2127AT/1,512 Real Time Clocks applications.

Mobile telephones
Portable instruments
Electronic metering
Battery powered products
Automotive
Industrial
Digital still camera
Digital video camera
Printers
Copy machines

Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295, 7.50mm Width)
Operating Temperature	-40°C~85°C
Packaging	Tube
Published	2003
Feature	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Type	Clock/Calendar
Voltage - Supply	1.8V~4.2V
Base Part Number	PCF2127
Pin Count	20
Interface	I2C, 2-Wire Serial
Memory Size	512B
Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd
Current - Timekeeping (Max)	1.5μA @ 3.3V
Voltage - Supply, Battery	1.8V~4.2V
RoHS Status	ROHS3 Compliant