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RA4803SA (High Stability Real Time Clock Module)
RA4803SA for automotive use, high stability serial interface real-time clock module
·Built in frequency adjustable 32.768kHz crystal unit and DTCXO.
·1/100 second resolution time register
·Interface type 4-wire serial interface
·Interface voltage range: 1.6V~5.5V
·Temperature compensation voltage range 2.2V to 5.5V
·Clock power supply voltage range: 1.6V~5.5V
·Optional clock output (32.768kHz, 1024Hz, 1Hz)
·Various functions include a complete calendar, alarm clock, timer, and EVIN input.
·Usage: Car audio, car navigation system, clock
·AEC-Q200 compatibility
summary
·High stability
UA ± 3.4 × 10-6/-40 ℃~+85 ℃
O (equivalent to a monthly difference of ± 9 seconds)
O ± 5.0 × 10-6/-40 ℃ to+85 ℃
O (equivalent to a monthly difference of ± 13 seconds)
UC ± 5.0 × 10-6/-30 ℃ to+70 ℃
O (equivalent to a monthly difference of ± 13 seconds)
Aa (+5 ± 5.0) x 10-6/+25 ° C
·High resolution: 1/100 second time register and capture buffer
·32.768kHz frequency output function
FOUT pin output (C-MOS output), CL=30pF
Output options: 32.768kHz, 1024Hz, 1Hz
·Various interruptions
The timer function can be set between 1/4096 seconds and 4095 minutes.
The alarm function can be set to the day of the week, day, hour, or minute.
Ai Wen input.
·Time synchronization function, 1PPS signal input
·Register compatibility: Upper layer compatible with RX-4801.
*It can be connected and used through the 32.768kHz DTCXO terminal.
Circuit diagram
Specifications *Refer to application manual for details.
Terminal connection / External dimensions
Pin function
FOOTER_TITLE1
FOOTER_TITLE2
FOOTER_SUB_TITLE
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FOOTER_INFORMATION
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