ra-8565sa Epson Electronics America, Inc., ra-8565sa Datasheet

ra-8565sa

Manufacturer Part Number

ra-8565sa

Description

Interface Real Time Clock Module

Manufacturer

Epson Electronics America, Inc.

Datasheet

1.RA-8565SA.pdf (1 pages)

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" " " " Recommended Operating Conditions

" " " " Frequency characteristics

1 )

For Automotive

RA - 8565 SA

Terminal

CLKOUT

CLKOE

C-Bus INTERFACE REAL TIME CLOCK MODULE

GND

temperature

start up time

Equivalent to 1 minutes of monthly deviation.

* The I

Block diagram

Pin Function

SDA

SCL

/INT

Timekeeper

CLKOUT

CLKOE

/ INT

SCL

SDA

Built in frequency adjusted 32.768 kHz crystal unit.

Interface Type

Wide operating voltage range

Wide Timekeeper voltage range

Extended operating temperature range: 40 C to +125 C

32.768 kHz frequency output function : N-ch Open drain output

The various functions include full calendar, alarm, timer,etc

Frequency

Specifications (characteristics)

Operating

Oscilation

Real time clock module

stability

voltage

Item

C-Bus is a trademark of NXP Semiconductors

Bi-directional

Directions

Output

Input

Symbol

STA

OPR

CLK

f / f

32.768 kHz

CRYSTAL

OUTPUT

CONTROL

INTERFACE

Serial clock input.

Data input and output.

The CLKOE pin is an input pin used to control the output

During the initial power-on ( when power is applied from 0 V ) ,

the power-on reset function selects 32.768 kHz as the frequency.

Interrupts output by Alarm and Timer events. ( Open drain output )

Connected to a positive power supply.

Connected to a ground.

The CLKOUT pin is a clock output ( open drain output ) pin

mode of the CLKOUT output pin.

if the CLKOE input pin is at high level ( = H ) ,

C-BUS

with control output. ( Output frequency can be selected

as 32.768 kHz, 1024 Hz, 32 Hz, or 1 Hz. )

Conditions

= +25 C

= 40 C to +125 C

= 3.0 V

= 1.8 V

= 3.0 V

OSC

Conditions

POR

With Control Pin

: I

: 1.8 V to 5.5 V

: 1.7 V to 5.5 V

Min.

1.8

1.7

Voltage Detector

CONTROL

LOGIC

ADDRESS

C-Bus Interface (400 kHz)

DIVIDER

= 40 C to +125 C

Functions

Typ.

+25

3.0

1.5 Max.

5 23

3 Max.

Rating

http://www.epsontoyocom.co.jp

Max.

+125

5.5

CLKOUT frequency

Weekday Alarm

Minutes Alarm

Timer Control

unit

Hour Alarm

Weekdays

Day Alarm

Control 1

Control 2

Seconds

Minutes

Hours

Month

Years

Timer

Days

Actual size

" " " " Current consumption under backup mode.

Standby

current.

Item

Symbol

Wide operating temperature range for automotive

Clocking-status detection function

32.768kHz frequency output function

The various interrupt function

Overview

! 40 C to +125 C

! It can judge the validity of data after backup

! CLKOUT pin output (N-ch Open Drain output )

! Output frequency can be selected

! Timer function can be set up between

! Alarm function can be set to day of week,

Terminal connection / External dimensions

operation return by a status of VL-bit.

as 32.768kHz, 1024Hz, 32Hz, or 1Hz.

1/4096 second and 255 minutes.

day, hour, or minute.

CLKOE = LOW

SCL

= 5 V

= 3 V

= 0 Hz

Metal may be exposed on the top or bottom of this product.

This will not affect any quality, reliability or electrical spec.

Conditions

N.C.

SCL

SDA

N.C.

GND

N.C.

/ INT

Refer to application manual for details.

+125 C

+25 C

+125 C

+25 C

SOP - 14 pin

8565 SA

7.4

5.0

Epson Toyocom

Min.

0.2

Typ.

0.95

0.60

0.80

0.55

14.

13.

12.

11.

10.

Max.

1.80

1.60

CLKOUT

N.C.

CLKOE

N.C.

unit

(Unit:mm)

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