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PCF8523 Datasheet PDF

Part Series:
PCF8523 Series
Category:
Real Time Clocks
Description:
Real Time Clock Serial Clock/Calendar/Alarm/Timer/Battery Backup 8Pin SO T/R
Updated Time: 2023/01/13 01:34:14 (UTC + 8)

PCF8523 Datasheet PDF Real Time Clocks

78 Pages
NXP
Real Time Clock Serial Clock/Calendar/Alarm/Timer/Battery Backup 8Pin SO T/R

PCF8523T/1,118 - NXP Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Supply Voltage (DC)
1.20V (min)
Case/Package
SOT-96-1
Number of Positions
8 Position
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PCF8523T/1,118 - NXP Function Overview

The PCF8523T/1,118 is a Real-Time Clock and calendar optimized for low power consumption. Data is transferred serially via the I²C-bus with a maximum data rate of 1000kbps. Alarm and timer functions are available with the possibility to generate a wake-up signal on an interrupt pin. An offset register allows fine-tuning of the clock. This has a backup battery switch-over circuit, which detects power failures and automatically switches to the battery supply when a power failure occurs.
Battery backup input pin and switch-over circuit
Freely programmable timer and alarm with interrupt capability
Internal power-on reset
Open-drain interrupt or clock output pins
Programmable offset register for frequency adjustment
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