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PCF2127AT/1,518

PCF2127AT/1,518

PCF2127AT/1,518

NXP USA Inc.

20 Terminations 3V 20 Pin PCF2127 Real Time Clocks Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer 0.032MHz

SOT-23

PCF2127AT/1,518 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Surface MountYES
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
Published 2003
Feature Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 20
Type Clock/Calendar
HTS Code8542.39.00.01
Voltage - Supply 1.8V~4.2V
Terminal Position DUAL
Supply Voltage 3V
Terminal Pitch1.27mm
Reach Compliance Code unknown
Base Part Number PCF2127
Pin Count20
JESD-30 Code R-PDSO-G20
Qualification StatusNot Qualified
Power Supplies2/4V
Interface I2C, 2-Wire Serial
Memory Size512B
Clock Frequency 0.032MHz
Time FormatHH:MM:SS (12/24 hr)
Date FormatYY-MM-DD-dd
Current - Timekeeping (Max) 1.5μA @ 3.3V
Time-Min SECONDS
Interrupt CapabilityY
Voltage - Supply, Battery 1.8V~4.2V
Volatile YES
Information Access Method I2C
Length 12.8mm
Height Seated (Max) 2.65mm
Width 7.5mm
RoHS StatusROHS3 Compliant
In-Stock:2390 items

PCF2127AT/1,518 Product Details

PCF2127AT/1,518 Overview


Real time clocks is embedded in the 20-SOIC (0.295, 7.50mm Width) package.Time clock is packaged in the way of Tape & Reel (TR).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.There are 20 terminations, which are the practice of ending a transmission line welectronic time clocksh a RTC module that matches the characteristic impedance of the line.The supply voltage of this RTC real time clock is 3V.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.Real time clocks' output frequency should not exceed 0.032MHz.It operates from 2/4V power supplies.

PCF2127AT/1,518 Features


20-SOIC (0.295, 7.50mm Width) package
20 terminations
20 pin count
2/4V power supplies


PCF2127AT/1,518 Applications


There are a lot of NXP USA Inc.
PCF2127AT/1,518 Real Time Clocks applications.


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

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