DS1337U/T&R datasheet, PDF - EEWORLD Datasheet

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DS1337U/T&R: DescriptionReal Time Clock I2C Serial RTC; CategoryThe embedded processor and controller Microcontrollers and processors; File Size278KB，16 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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DS1337U/T&R Overview

Real Time Clock I2C Serial RTC

DS1337U/T&R Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	SOIC
package instruction	0.118 INCH, MICRO, SOP-8
Contacts	8
Reach Compliance Code	not_compliant
ECCN code	EAR99
maximum clock frequency	0.032 MHz
Information access methods	I2C
interrupt capability	Y
JESD-30 code	S-PDSO-G8
JESD-609 code	e0
length	3 mm
Humidity sensitivity level	1
Number of terminals	8
Number of timers	1
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
power supply	1.5/5 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	1.8 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
shortest time	SECONDS
Maximum time at peak reflow temperature	20
Volatile	YES
width	3 mm
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK
Base Number Matches	1

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DS1337

C Serial Real-Time Clock

GENERAL DESCRIPTION

The DS1337 serial real-time clock is a low-power

clock/calendar with two programmable time-of-day

alarms and a programmable square-wave output.

Address and data are transferred serially through an

I C bus. The clock/calendar provides seconds,

minutes, hours, day, date, month, and year

information. The date at the end of the month is

automatically adjusted for months with fewer than 31

days, including corrections for leap year. The clock

operates in either the 24-hour or 12-hour format with

AM/PM indicator.

The device is fully accessible through the serial

interface while V

is between 1.8V and 5.5V. I C

operation is not guaranteed below 1.8V.

Timekeeping operation is maintained with V

as low

as 1.3V.

BENEFITS AND FEATURES

•

Completely Manages All Timekeeping

Functions

Real-Time Clock (RTC) Counts Seconds,

Minutes, Hours, Day, Date, Month, and

Year with Leap-Year Compensation Valid

Up to 2100

Two Time-of-Day Alarms

Programmable Square-Wave Output

Defaults to 32kHz on Power-Up

Oscillator Stop Flag

Interfaces with Most Microcontrollers

I C Serial Interface

Surface-Mount Package with an Integrated

Crystal (DC1337C) Saves Additional Space

and Simplifies Design

-40°C to +85°C Industrial Temperature Range

Supports Operation in a Wide Range of

Applications

•



APPLICATIONS

Handhelds (GPS, POS Terminal, MP3 Player)

Consumer Electronics (Set-Top Box, VCR/Digital

Recording)

Office Equipment (Fax/Printer, Copier)

Medical (Glucometer, Medicine Dispenser)

Telecommunications (Router, Switch, Server)

Other (Utility Meter, Vending Machine, Thermostat,

Modem)

ORDERING INFORMATION

PART

DS1337+

DS1337S+

DS1337U+

DS1337C#

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

8 DIP (300 mils)

8 SO (150 mils)

µSOP

16 SO (300 mils)

TOP

MARK†

DS1337

1337

DS1337C

TYPICAL OPERATING CIRCUIT

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

# Denotes a RoHS-compliant device that may include lead that is

exempt under the RoHS requirements. The lead finish is JESD97

category e3, and is compatible with both lead-based and lead-free

soldering processes.

†

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

“#” denotes a RoHS-compliant device.

Pin Configurations appear at end of data sheet.

Note:

Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, go to:

www.maxim-ic.com/errata.

1 of 16

19-4652; 4/15

DS1337U/T&R Related Products

	DS1337U/T&R	DS1337S+	DS1337C	DS1337S+T&R	DS1337C#T&R	DS1337U+
Description	Real Time Clock I2C Serial RTC	Real Time Clock I2C Serial RTC	Real Time Clock I2C Serial RTC	Real Time Clock I2C Serial RTC	Real Time Clock I2C Serial RTC	Real Time Clock I2C Serial RTC
Is it lead-free?	Contains lead	Lead free	Contains lead	Lead free	Lead free	Lead free
Is it Rohs certified?	incompatible	conform to	incompatible	conform to	conform to	conform to
Parts packaging code	SOIC	SOIC	SOIC	SOIC	SOIC	SOIC
package instruction	0.118 INCH, MICRO, SOP-8	SOP, SOP8,.25	0.300 INCH, SOIC-16	SOP, SOP8,.25	SOP, SOP16,.4	TSSOP, TSSOP8,.19
Contacts	8	8	16	8	16	8
Reach Compliance Code	not_compliant	compliant	not_compliant	compliant	not_compliant	compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
maximum clock frequency	0.032 MHz	0.032 MHz	0.032 MHz	0.032 MHz	0.032 MHz	0.032 MHz
Information access methods	I2C	I2C	I2C	I2C	I2C	I2C
JESD-30 code	S-PDSO-G8	R-PDSO-G8	R-PDSO-G16	R-PDSO-G8	R-PDSO-G16	S-PDSO-G8
JESD-609 code	e0	e3	e0	e3	e3	e3
length	3 mm	4.9 mm	10.3 mm	4.9 mm	10.3 mm	3 mm
Humidity sensitivity level	1	1	1	1	1	1
Number of terminals	8	8	16	8	16	8
Number of timers	1	1	1	1	1	1
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	SOP	SOP	SOP	SOP	TSSOP
Package shape	SQUARE	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240	260	240	260	NOT SPECIFIED	260
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.1 mm	1.75 mm	2.65 mm	1.75 mm	2.65 mm	1.1 mm
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V	1.8 V
Nominal supply voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	TIN LEAD	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	1.27 mm	1.27 mm	1.27 mm	1.27 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	20	NOT SPECIFIED	20	NOT SPECIFIED	NOT SPECIFIED	30
width	3 mm	3.9 mm	7.5 mm	3.9 mm	7.5 mm	3 mm
uPs/uCs/peripheral integrated circuit type	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK	TIMER, REAL TIME CLOCK
Base Number Matches	1	1	1	1	1	1
Maker	Maxim	Maxim	-	Maxim	Maxim	Maxim
interrupt capability	Y	Y	-	Y	Y	Y
Encapsulate equivalent code	TSSOP8,.19	SOP8,.25	-	SOP8,.25	SOP16,.4	TSSOP8,.19
power supply	1.5/5 V	1.5/5 V	-	2/5 V	1.5/5 V	1.5/5 V
shortest time	SECONDS	SECONDS	-	SECONDS	SECONDS	SECONDS
Volatile	YES	YES	-	YES	YES	YES
Factory Lead Time	-	6 weeks	-	6 weeks	6 weeks	6 weeks
Is Samacsys	-	N	-	N	N	N

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