PCF2127AT/1,518 NXP Semiconductors, PCF2127AT/1,518 Datasheet - Page 74

• Manufacturer Part Number: PCF2127AT/1,518
• Description: IC RTC/CALENDAR TCXO QTZ 20SOIC
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF2127AT/1,518

• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Time Format: HH:MM:SS (12/24 hr)
• Memory Size: 512B
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 4.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Function: Serial Clock, Timestamp, Timekeeper, Watchdog, Alarm, Calendar, Timer, Timer Interrupt
• Rtc Memory Size: 512 bytes
• Supply Voltage (max): 4.2 V
• Supply Voltage (min): 1.8 V
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C
• Supply Current: 2600 nA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
16. Soldering
17. Abbreviations
PCF2127A_2
Product data sheet
For information about soldering see
Table 65.
Acronym
AM
BCD
CDM
CMOS
DC
GPS
HBM
I
IC
LSB
MCU
MM
MSB
PM
POR
PORO
PPM
RAM
RC
RTC
SCL
SDA
SPI
SRAM
TCXO
Xtal
2
C
Abbreviations
All information provided in this document is subject to legal disclaimers.
Description
Ante Meridiem
Binary Coded Decimal
Charged Device Model
Complementary Metal-Oxide Semiconductor
Direct Current
Global Positioning System
Human Body Model
Inter-Integrated Circuit
Integrated Circuit
Least Significant Bit
Microcontroller Unit
Machine Model
Most Significant Bit
Post Meridiem
Power-On Reset
Power-On Reset Override
Parts Per Million
Random Access Memory
Resistance-Capacitance
Real Time Clock
Serial Clock Line
Serial DAta line
Serial Peripheral Interface
Static Random Access Memory
Temperature Compensated Xtal Oscillator
crystal
Rev. 02 — 7 May 2010
Ref. 3
“AN10857”.
Integrated RTC, TCXO and quartz crystal
PCF2127A
© NXP B.V. 2010. All rights reserved.
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