RX-8025SA:AA3:ROHS Epson Toyocom Corporation, RX-8025SA:AA3:ROHS Datasheet

RX-8025SA:AA3:ROHS

Manufacturer Part Number

RX-8025SA:AA3:ROHS

Description

IC REAL TIME CLOCK 14PIN-SOP

Manufacturer

Epson Toyocom Corporation

Type

Clock/Calendar/Alarmr

Datasheets

1.RX-8025SAAA3ROHS.pdf (2 pages)

2.RX-8025SAAA3ROHS.pdf (1 pages)

Specifications of RX-8025SA:AA3:ROHS

Time Format

HH:MM:SS (12/24 hr)

Date Format

YY-MM-DD-dd

Interface

I²C, 2-Wire Serial

Voltage - Supply

1.7 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

14-SOIC (5.3mm Width), 14-SOP, 14-SOIJ

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Memory Size

Other names

SER3650TR

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

RX-8025SA:AA3:ROHS

Manufacturer:

Epson

Quantity:

473

Current page: 1 of 2
Download datasheet (377Kb)

! ! ! !

Power voltage

Clock voltage

Operating

! ! ! !

Frequency

Oscillation

Frequency voltage

High-Stability

RX - 8025 SA

FOUT

FOE

/ INTA

/ INTB

1) 2) Equivalent to 13 seconds of monthly deviation (excluding offset).

temperature

tolerance

start-up time

characteristics

/ INTB

C-Bus INTER FACE REAL TIME C LOCK MODU LE

Pin Function

Signal

FOUT

/ INTA

Specifications (characteristics)

Recommended Operating Conditions

Frequency characteristics

Name

TEST

Built-in 32.768 kHz crystal unit

Interface Type

Operating voltage range : 1.70 V to 5.5 V

Wide Timekeeper voltage range

Various detection Functions

Low backup current

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

The various functions include full calendar, alarm, timer.

GND

SDA

FOE

* The I

SCL

Block diagram

Real time clock module

Item

Input / output

Bi-directional

C-Bus is a trademark of NXP Semiconductors

Output

Input

Symbol

Control

Detect

32 kHz

Output

OSC

f / V

OPR

STA

CLK

f / f

Serial clock input pin

32.768 kHz clock output pin with the output

control function. (C-MOS)

Interrupt output A pin ( N-ch open drain )

Interrupt output B pin ( N-ch open drain )

Connected to a positive power supply.

Connected to a ground.

Data input and output pin

Used by the manufacture for testing.

(Do not connect externally.)

FOE

input

Interrupt Control

Divider

Correc

-tion

/CLEN1

Condition

= +25 C

bit

= 3.0 V

= 2.0 V

= 2.0 V to 5.5 V

Condition

Div.

Function

/CLEN2

bit

: Frequency adjusted for high accuracy

: I

: 1.15 V to 5.5 V

: Ex. Oscillation stop detection function

: 0.48 A / 3 V (Typ.)

( 5 10

C-Bus Interface (400 kHz)

Comparator_W

Comparator_D

( Sec,Min,Hour,Week,Day,Month,Year )

1.15

Min.

1.7

OFF ( LOW )

Address

Decoder

32.768 kHz

OFF(LOW )

output

FOUT

Time Counter

/ T

Typ.

+25

AA: 5 5

AC: 0

3.0

Shift Register

1 Max.

Range

http://www.epsontoyocom.co.jp

= +25 C)

1 Max.

Alarm_W Register

( Min,Hour,W eek )

Alarm_D Regi ster

Address

( Min,Hour )

Max.

+85

5.5

Unit

Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.

Terminal connection / External dimensions

Control

Voltage

Detect

I/O

N.C.

SCL

FOUT

N.C.

TEST

FOE

Actual size

RX-8025SA

! ! ! !

Curent

! ! ! !

High-voltage mode

Low-voltage mode

Consumption

Current consumption characteristics

Power supply detection voltage

SOP

Item

7.4

SCL

SDA

GND

8025 SA

5.0

0 .2

Item

14 pin

Features built-in 32.768 kHz crystal unit

The various detection function

Alarm function and Timer function

Symbol

Overview

32k

• Frequency adjusted for high accuracy.

• Power supply voltage monitoring function

• Stop detection function

• Power-on reset detection function

• Timer function produces a periodic interruption signal.

RX-8025NB

(

( Equivalent to 13 seconds of monthly deviation )

As for the Alarm function an optional combination is produced.

(Date of the week , time , minute)

14.

13.

12.

11.

10.

(with selectable detection threshold )

5 10

Symbol

FOE = GND

FOUT ; output

OFF(LOW)

FOUT ; output ON

( Output=OPEN;

SCL

N.C.

SDA

/ INTB

GND

/ INTA

N.C.

DETH

DETL

, FOE = 5.5 V

= 0Hz

Condition

/ T

CL = 0 pF )

Refer to application manual for details.

Product Number (Please contact us)

RX-8025SA : Q41802551xxxx00

RX-8025NB : Q41802591xxxx00

= +25 C )

10.

11.

Condition

FOE

(GND)

TEST

FOUT

SCL

SDA

/ INTB

GND

/ INTA

N.C.

= 5.5 V

Epson Toyocom

= 5 V

= 3 V

Min.

1.90

1.15

SON

5.0

8025 NB

4.8

Typ.

0.60

0.48

Typ.

2.10

1.30

22 pin

3.0

0. 2

= 40 C to +85 C

= 30 C to +70 C

1.3

Max.

1.80

1.20

2.30

1.45

6.5

0.1

(Unit:mm)

22.

21.

20.

19.

18.

17.

16.

15.

14.

13.

12.

Unit

µA

N.C.

Related parts for RX-8025SA:AA3:ROHS

RX-8025SA:AA3:ROHS Summary of contents

Page 1

... Real time clock module Real time clock module Real time clock module Real time clock module High-Stability 2 I C-Bus INTER FACE REAL TIME C LOCK MODU 8025 Built-in 32.768 kHz crystal unit : Frequency adjusted for high accuracy ( 5 10 Interface Type : I 2 C-Bus Interface (400 kHz) Operating voltage range : 1 ...

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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