rx-4801sa Epson Electronics America, Inc., rx-4801sa Datasheet

rx-4801sa

Manufacturer Part Number

rx-4801sa

Description

Built-in 32.768 Khz-dtcxo, High Stability Serial-interface Real Time Clock Module

Manufacturer

Epson Electronics America, Inc.

Datasheet

1.RX-4801SA.pdf (2 pages)

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! Electrical Characteristics

Built-in 32.768 kHz-DTCXO, High Stability

SERIAL-INTER FACE REA L TIME C LOCK MODULE

RX - 4801 SA

1 )

3 )

Interface voltage

Temp. compensated

Clock voltage

Operating temperatue

Stability

Current consumption

(1)

Current consumption

(2)

voltage

Equivalent to 5 seconds of month deviation.

Equivalent to 10 seconds of month deviation.

Block diagram

Pin Function

Signal Name

Specifications (characteristics)

Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.

Interface Type

Interface voltage range

Temp.compensated voltage range: 2.2 V to 5.5 V

Wide Timekeeper voltage range

32.768 kHz frequency output function : C-MOS output With Control Pin

The various functions include full calendar, alarm, timer.

Real time clock module

T2(V

FOUT

TEST

/ INT

GND

CLK

FOE

D I

Item

FOUT

FOE

/ INT

D I

CLK

)

Pin No.

Symbol

OPR

BK1

BK2

TEM

CLK

f / f

Output

input

I / O

Backup Mode

FOE = GND,

FOUT output : OFF V

Interface voltage

Temp. compensated voltage

/INT = V

The chip enable input pin.

The shift clock input pin for serial data transfer.

The pin outputs the refarence clock signal.

* Use by the manufacture for testing.

Connected to a positive power supply

The input pin for the FOUT output control.

The open drain output for interrupt.

Connected to a ground

* Use by the manufacture for testing.

The data output pin for serial data transfer.

The data input pin for serial data transfer.

( CMOS output )

( Do not connect externally.)

Ta = 0 ºC to +40 ºC

Ta = -40 ºC to +85 ºC

Ta = 0 ºC to +50 ºC

Ta = -40 ºC to +85 ºC

FOUT

INTERRUPT

CONT ROLLER

INT ERFACE

DIVIDER

Condition

DTCXO

2 )

32kHz

4 )

Equivalent to 9 seconds of month deviation.

: 4-wire serial interface

: 1.8 V to 5.5 V

: 1.6 V to 5.5 V

CIRCUIT

Equivalent to 13 seconds of month deviation.

32.768 kHz

= 5V

= 3V

http://www.epsontoyocom.co.jp

Function

Min.

1.8

2.2

1.6

TIMER

ALARM

CONTROL

SYST EM

CONTROLLER

CLOCK

REGIST ER

CALENDAR

and

±1.9

±3.4

±3.8

±5.0

Typ.

+25

3.0

1.2

0.8

Max.

+85

5.5

3.4

2.8

Actual size

Unit

High Stability

32.768 kHz frequency output function

The various interrupt

! ! ! ! 32.768 kHz-DTCXO Frequency temperature characteristics (Example)

Overview

Alarm Function can be set to day of week,

FOUT pin output (C-MOS output), CL=30 pF

Output selectable

Timer Function can be set up between

± 1.9 x 10

± 3.4 x 10

± 3.8 x 10

± 5.0 x 10

1/ 4096 second and 255 minutes.

day, hour, or minute.

Terminal connection / External dimensions

( Equivalent to 5 seconds of month deviation )

( Equivalent to 9 seconds of month deviation )

( Equivalent to 10 seconds of month deviation )

( Equivalent to 13 seconds of month deviation )

< 32.768 kHz, 1024 Hz, 1 Hz >

-10

-15

-20

-25

-30

-5

-45

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

This w ill not affect any quality, reliability or electrical spec.

-35

-6

CLK

FOUT

N.C.

TEST

FOE

32.768 kHz DTCXO

/ -40 ºC to +85 ºC

-25

Frequency temperature characteristics

Refer to application manual for details.

-15

0 ºC to +40 ºC

0 ºC to +50 ºC

Product Number (Please contact us)

RX-4801SA : X1B000021xxxx00

-5

Temperature (ºC)

SOP

4801 SA

7.4

Epson Toyocom

5.0

14 pin

0 .2

14.

13.

12.

11.

10.

Tuning fork X'tal

T2(V

GND

/ INT

N.C.

)

(Unit:mm)

Related parts for rx-4801sa

rx-4801sa Summary of contents

Page 1

... 0.8 2.8 DD http://www.epsontoyocom.co.jp Epson Toyocom Epson Toyocom Epson Toyocom Epson Toyocom Product Number (Please contact us) RX-4801SA : X1B000021xxxx00 Overview High Stability UA -6 ± 1 ºC to +40 ºC ( Equivalent to 5 seconds of month deviation ) -6 ± 3 -40 ºC to +85 ºC ( Equivalent to 9 seconds of month deviation ) ...

Page 2

EPSON TOYOCOM In order to meet customer needs in a rapidly advancing digital, broadband and ubiquitous society, we are committed to offering products that are one step ahead of the market and a rank above the rest in quality. ...

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