Automotive Tiny Real-Time Clock/Calendar with alarm function and I²C-Bus | NXP Semiconductors

Automotive Tiny Real-Time Clock/Calendar with Alarm Function and I²C-Bus

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Block Diagram

PCA85073A

PCA85073A Block diagram

Features

Key Features

  • AEC-Q100 grade 2 compliant for automotive applications
  • Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
  • Low current; typical 0.25 µA at VDD = 3.0 V and Tamb = 25 °C
  • 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)
  • Alarm function
  • Minute and half minute interrupt
  • Internal Power-On Reset (POR)
  • High temperature operation range: —40 °C to +105 °C
  • Clock operating voltage: 0.9 V to 5.5 V
  • 400 kHz two-line I²C-bus interface (at VDD = 1.8 V to 5.5 V)
  • Selectable integrated oscillator load capacitors for CL = 7 pF or CL = 12.5 pF
  • Countdown timer
  • Oscillator stop detection function
  • Programmable offset register for frequency adjustment
  • Latch-up performance exceeds 100 mA per JESD 78, Class II
  • ESD protection exceeds JESD 22
    • 4000 V Human-Body Model (A114-A)
    • 1000 V Charged-Device Model (C101)
  • Package offered: TSSOP8

Buy/Parametrics

1 result

Include 0 NRND

Order

CAD Model

Status

Budgetary Price excluding tax

Integrated Temperature Compensation

VDD (clock)

Package Type

Package Dimensions (LxWxZ (mm))

Package Pitch (mm)

Package Termination Count

Package Area (mm2)

Ambient Operating Temperature (Min to Max) (℃)

VDD (interface)

Communication protocol

Battery Back Up

Watchdog timer

Programmable alarm

Countdown Timer

AEC-Q100 compliant

Active

1K @ US$0.49

Y

0.9 to 5.5

TSSOP8

3 x 3 x 1.1

0.65

8

15.81

-40 to 105

1.8 to 5.5

I²C

No

N

Y

Y

Y

Documentation

Quick reference to our documentation types.

3 documents

Design Files

Hardware

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3 hardware offerings

Software

Quick reference to our software types.

1 software file

Note: For better experience, software downloads are recommended on desktop.

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