RA8804CE :I2C-Bus Interface Real Time Clock Module for Automotive (Built-in 32.768 kHz-DTCXO)

• Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.
• Interface Type
  I²C-Bus interface (400kHz)
• Interface voltage range
  1.6 V to 5.5 V
• Temp. compensated voltage range
  1.5 V to 5.5 V
• Clock supply voltage range
  1.5 V to 5.5 V
• Selectable clock output(32.768 kHz, 1024 Hz, 1 Hz)
• The various functions full calendar, alarm, timer, event detection
• The time-stamp synchronizing to the event detection of EVIN-pin
• The SOUT-pin outputs that selected flag bit value
  Video contents: RX8804CE, RA8804CE SOUT Function 
  
• Applications : Car electronics equipment,Industry machine
• AEC-Q100 compliant
• Links to Driver and Video contents
  Click here

Block diagram

Overview

• Stability
  • XA
    ± 3.4 x 10^-6 / -40 °C to +85 °C ( Equivalent to ±9 seconds of month deviation )
    ± 8.0 x 10^-6 / +85 °C to +105 °C ( Equivalent to ±21 seconds of month deviation )
  • XB
    ± 5.0 x 10^-6 / -40 °C to +85 °C ( Equivalent to ±13 seconds of month deviation )
    ± 8.0 x 10^-6 / +85 °C to +105 °C ( Equivalent to ±21 seconds of month deviation )
• 32.768 kHz frequency output function
  • FOUT pin output (C-MOS output), CL = 30 pF
  • Output selectable: 32.768 kHz, 1024 Hz, 1 Hz
• Event detection function
  • when trigger input to EVIN-pin or specified by program, time and date is recorded.
    The EVIN-pin with pull-up resistor that is releasable
• Timer function
  • Timer source clock are 1min., 1sec., 64Hz, 4096Hz.
  • 24-bit-presettable counter (244us to about 32years(280320h) )
• Alarm function
  • Alarm function can be set to day of week, day, hour, and minute.
• Internal state output function
  • SOUT pin output (C-MOS output).
  • it outputs selected flag-bit value or specified value(H or L)

Specifications (characteristics)

Footprint (Recommended)