rx-8801sa Epson Electronics America, Inc., rx-8801sa Datasheet

rx-8801sa

Manufacturer Part Number

rx-8801sa

Description

Built-in 32.768 Khz-dtcxo, High Stability I 2 C-bus Interface Real Time Clock Module

Manufacturer

Epson Electronics America, Inc.

Datasheet

1.RX-8801SA.pdf (2 pages)

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! Electrical Characteristics

Built-in 32.768 kHz-DTCXO, High Stability

RX - 8801 SA

1 )

3 )

Interface voltage

Temp. compensated

Clock voltage

Operating temperatue

Stability

Current consumption

(1)

Current consumption

(2)

voltage

* The I

Equivalent to 5 seconds of month deviation.

Equivalent to 10 seconds of month deviation.

C-Bus INTERFACE REAL TIME CLOCK MODULE

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

T1(CE)

FOUT

TEST

/ INT

GND

SCL

FOE

SDA

Item

SDA

FOUT

FOE

/ INT

SCL

PP)

C-Bus is a trademark of NXP Semiconductors

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

* Use by the manufacture for testing.

Serial clock input pin

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.

Interrupt output ( N-ch open drain )

Connected to a ground

* Use by the manufacture for testing.

Data input and output pin

( Do not connect externally.)

( 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

CONTROLLER

INTERFACE

DIVIDER

Condition

DTCXO

2 )

32kHz

4 )

CIRCUIT

Equivalent to 9 seconds of month deviation.

: 1.8 V to 5.5 V

: 1.6 V to 5.5 V

Equivalent to 13 seconds of month deviation.

C-Bus Interface (400 kHz)

32.768 kHz

= 5 V

= 3 V

http://www.epsontoyocom.co.jp

Function

Min.

1.8

2.2

1.6

TIMER

ALARM

CONTROL

SYSTEM

CONTROLLER

CLOCK

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

T1(CE)

SCL

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-8801SA : X1B000011xxxx00

-5

Temperature (ºC)

SOP

8801 SA

7.4

Epson Toyocom

5.0

14 pin

0 .2

14.

13.

12.

11.

10.

Tuning fork X'tal

N.C.

SDA

T2(V

GND

/ INT

N.C.

)

(Unit:mm)

Related parts for rx-8801sa

rx-8801sa 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-8801SA : X1B000011xxxx00 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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