RTC-4701NB:B3 ROHS Epson Toyocom Corporation, RTC-4701NB:B3 ROHS Datasheet

RTC-4701NB:B3 ROHS

Manufacturer Part Number

RTC-4701NB:B3 ROHS

Description

IC REAL TIME CLOCK 22-SON

Manufacturer

Epson Toyocom Corporation

Series

-r

Type

Clock/Calendarr

Datasheet

1.RTC-4701NBB3_ROHS.pdf (2 pages)

Specifications of RTC-4701NB:B3 ROHS

Features

Alarm, Leap Year

Memory Size

Time Format

HH:MM:SS (24 hr)

Date Format

YY-MM-DD-dd

Interface

3-Wire Serial

Voltage - Supply

1.6 V ~ 5.5 V

Voltage - Supply, Battery

1.6 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

22-LFDFN

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

NB10-029567
SER3767TR

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Signal

Temperature

Output tolerance

Temperature

Linearity

Temperature

Output resistance

VTEMP

Built-in Temperature Sensor

SERIAL-INTER FACE REA L TIME C LOCK MODULE

RTC - 4701 JE

/ AIRQ

/SOFF

/ TIRQ

FOUT

DATA Bi-directional

Built in frequency adjusted 32.768 kHz crystal unit.

Interface Type

Operating voltage range

Wide Timekeeper voltage range

Built-in temperature sensor

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

Function of time and calendar, the various interrupt function etc.

CLK

FOE

GND

Temperature sensitivity

Linearity

Output resistance ( Ro )

Name

output voltage

sensitivity

detection range

Block diagram

Pin Function

Temperature sensor characteristics

Real time clock module

Item

Output

Input /

Input

VTEMP

/ SOFF

FOUT

FOE

/ AIRQ

/ TIRQ

DATA

CLK

Symbol

The chip enabled input pin.

The shift clock input pin for serial data transfer.

The data input / output pin for serial data

The voltage output pin for the

The input pin for the temperature sensor control.

Output 1 pin ( N-ch open drain )

Output 2 pin ( N-ch open drain )

Connected to a positive power supply.

Connected to a ground.

TEMP

ACR

SOP

Ro =

(Built -in pull-down resistance)

transfer.

temperature sensor ( analog ).

FOE input

NL =

HIGH

Temperature

LOW

32.768 kHz

= ( V ( +85 C )

Sensor

OSC

VTEMP pin, T

GND based output voltage

-40 C

VTEMP pin, T

GND standard and V

= +25 C

If not specifically indicated, GND = 0 V , V

32.768 kHz output

output OFF

: 3-wire serial interface

: 1.6 V to 5.5 V

: Detects temperature.

2.0 %

Condition

Function

Converts output to analog voltage

FOUT

CONTROLLER

INTERRUPTS

CONTROLLER

BUS

INTERFACE

CIRCUIT

[

100 [ % ]

V ( 40 C ) ) / 125 [ mV / C ]

FOUT output

DIVIDER

= +25 C

+85 C

= +25 C

]

C-MOS output

Hi - z

standard

a : Maximum deviation between the measured value of

b : Difference between the measured values at

VTEMP and approximate straight line.

40 C and +85 C.

http://www.epsontoyocom.co.jp

CLOCK

CALENDAR

TIMER

ALARM

CONTROL

SYSTEM

Min.

-7.1

and

CONTROLLER

and

= 2.7 V to 5.5 V , T

1.480

Typ.

-7.6

1.0

10.

Terminal connection / External dimensions

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

Control Line

FOUT

/ AIRQ

/ TIRQ

CLK

DATA

FOE

VTEMP

/ SOFF

Max.

+ 85

-8.1

3.0

= 40 C to +85 C

5.0

2.0

Actual size

RTC-4701JE

RTC

mV / C

VSOJ 20 pin

Unit

6.0

5.4

4701 JE

0.2

1.5

32.768 kHz frequency output function

Built-in temperature sensor

The various interrupt function

Max .

Overview

Output voltage

VTEMP

• Diode temperature sensor (analog voltage output)

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

• FOE pin enables output on/off control.

• 12 bit additional counter. ( to 4095 count )

• Timer function can be set up between

• Alarm function can be set to day of week, hour, or minute.

1/4096 second and 255 minutes.

RTC-4701NB

20.

19.

18.

17.

16.

15.

14.

13.

12.

11.

[ V ]

temperature sensor operating voltage : 2.7 V to 5.5 V

temperature sensor tolerance :

voltage output (analog):

N.C.

GND

* Refer to application manual for details.

Approximate

straight line

V ( 40 C )

10.

11.

Product Number (Please contact us)

RTC-4701JE : Q41470171000200

RTC-4701NB: Q41470191000200

GND

/ SOFF

VTEMP

FOE

DATA

CLK

/ TIRQ

/ AIRQ

FOUT

Epson Toyocom

Temperature

7.6 mV / C Typ.

RTC

SON

5 C ( T

5.0

Measured

4.8

4701 NB

22 pin

0.2

= +25 C )

1.3

+85

0.1

V(+85 C )

(Unit:mm)

22.

21.

20.

19.

18.

17.

16.

15.

14.

13.

12.

[ C]

N.C.

Related parts for RTC-4701NB:B3 ROHS

RTC-4701NB:B3 ROHS Summary of contents

Page 1

... Real time clock module Real time clock module Real time clock module Real time clock module Built-in Temperature Sensor SERIAL-INTER FACE REA L TIME C LOCK MODULE RTC - 4701 JE / Built in frequency adjusted 32.768 kHz crystal unit. Interface Type : 3-wire serial interface 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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