PCF85063ATSLASHAY datasheet(1/55 Pages) NXP

Part #	PCF85063AT/AY

Description	Tiny Real-Time Clock/calendar with alarm function and I2C-bus

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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PCF85063A

Tiny Real-Time Clock/calendar with alarm function and I2C-bus

Rev. 7.1 — 8 November 2023

Product data sheet

1 General description

The PCF85063A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. An

offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line

bidirectional I2C-bus. Maximum data rate is 400 kbit/s. The register address is incremented automatically after

each written or read data byte.

For a selection of NXP Real-Time Clocks, see Table 44

2 Features and benefits

• Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal

• Clock operating voltage: 0.9 V to 5.5 V

• Low current; typical 0.22 μA at VDD = 3.3 V and Tamb = 25 °C

• 400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5 V)

• Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048

kHz, 1.024 kHz, and 1 Hz)

• Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF

• Alarm function

• Countdown timer

• Minute and half minute interrupt

• Oscillator stop detection function

• Internal Power-On Reset (POR)

• Programmable offset register for frequency adjustment

3 Applications

• Digital still camera

• Digital video camera

• Printers

• Copy machines

• Mobile equipment

• Battery powered devices

4 Ordering information

Package

Type number

Topside

marking

Name

Description

Version

PCF85063AT

85063A

SO8

plastic small outline package; 8 leads; body width 3.9 mm

SOT96-1

Table 1. Ordering information

1

The definition of the abbreviations and acronyms used in this data sheet can be found in Section 20.

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PCF85063AT/AY Datasheet(PDF) 1 Page - NXP Semiconductors

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