DS1673S-5+T&R datasheet, PDF - EEWORLD Datasheet

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DS1673S-5+T&R: Descriptionreal time clock portable system controller; CategoryThe embedded processor and controller Microcontrollers and processors; File Size224KB，18 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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DS1673S-5+T&R Overview

real time clock portable system controller

DS1673S-5+T&R Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Maxim
package instruction	SOP,
Reach Compliance Code	compli
ECCN code	EAR99
Factory Lead Time	6 weeks
Information access methods	SERIAL, 3-WIRE
JESD-30 code	R-PDSO-G20
length	12.8 mm
Number of terminals	20
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Maximum seat height	2.65 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	7.5 mm
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK

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DS1673

Portable System Controller

www.maxim-ic.com

GENERAL DESCRIPTION

The DS1673 portable system controller is a circuit

that incorporates many of the functions necessary for

low-power portable products integrated into one chip.

The device provides a real-time clock (RTC), NV

RAM controller, microprocessor monitor, and a

3-channel, 8-bit analog-to-digital converter (ADC).

Communication with the DS1673 is established

through a simple 3-wire interface.

The RTC provides seconds, minutes, hours, day,

date, month, and year information with leap year

compensation. The RTC also provides an alarm

interrupt. This interrupt works when the DS1673 is

battery-backup operation, so the alarm can be used to

wake up a system that is powered down.

Automatic backup and write protection of an external

SRAM is provided through the V

CCO

CEOL,

and

CEOH

pins. The backup energy source used to power

the RTC is also used to retain RAM data in the

absence of V

through the V

CCO

pin. The chip-

enable outputs to RAM (CEOL and

CEOH)

are

controlled during power transients to prevent data

corruption.

FEATURES



Provides Real-Time Clock

Counts Seconds, Minutes, Hours, Date of the

Month, Month, Day of the Week, and Year

with Leap Year Compensation Valid Up to

2100

Power-Control Circuitry Supports System

Power-On from Day/Time Alarm

Microprocessor Monitor

Halts Microprocessor During Power Fail

Automatically Restarts Microprocessor after

Power Failure

Monitors Pushbutton for External Override

Halts and Resets an Out-of-Control

Microprocessor

NV RAM Control

Automatic Battery Backup and Write Protection

to External SRAM

3-Channel, 8-Bit ADC

Simple 3-Wire Interface

+3.0V or +5.0V Operation



PIN CONFIGURATION

TOP VIEW

BAT

CCO

SCLK

DS1673

AIN0

AIN1

AIN2

RST

BLE

BHE

ORDERING INFORMATION

PART*

DS1673E-3

DS1673E-3+

DS1673E-5

DS1673E-3/

T&R

DS1673E-3+

T&R

DS1673E-5/

T&R

DS1673S-3

DS1673S-5

VOLTAGE

(V)

3.0

5.0

3.0

5.0

3.0

5.0

PIN-

PACKAGE

20 TSSOP

20 SO

TOP MARK†

DS1673-3

DS1673-5

DS1673-3

DS1673-5

DS1673S-3

DS1673S-5

I/O

CEI

CEOL

CEOH

INT

GND

TSSOP (4.4mm)

SO (300 mils)

All devices are specified over the 0°C to +70°C operating range.

†

A “‘+” anywhere on the top mark denotes a lead-free device.

+ Denotes a lead(Pb)-free/RoHS-compliant device.

1 of 18

REV: 080805

DS1673S-5+T&R Related Products

	DS1673S-5+T&R	DS1673E-5+
Description	real time clock portable system controller	real time clock portable system controller
Is it Rohs certified?	conform to	conform to
Maker	Maxim	Maxim
package instruction	SOP,	TSSOP, TSSOP20,.25
Reach Compliance Code	compli	compliant
ECCN code	EAR99	EAR99
Factory Lead Time	6 weeks	6 weeks
Information access methods	SERIAL, 3-WIRE	SERIAL, 3-WIRE
JESD-30 code	R-PDSO-G20	R-PDSO-G20
length	12.8 mm	6.5 mm
Number of terminals	20	20
Maximum operating temperature	70 °C	70 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Maximum seat height	2.65 mm	1.1 mm
Maximum supply voltage	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V
surface mount	YES	YES
technology	CMOS	MOS
Temperature level	COMMERCIAL	COMMERCIAL
Terminal form	GULL WING	GULL WING
Terminal pitch	1.27 mm	0.65 mm
Terminal location	DUAL	DUAL
width	7.5 mm	4.4 mm
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK

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