Products > Integrated Circuits (ICs) > Clock & Timer ICs > DS1302S+T&R

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DS1302S+T&R

RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Serial, 2 V to 5.5 V, WSOIC-8

Manufacturer : Maxim Integrated
Package/Case : SOIC-8
Product Categories : Clock/Timing - Real Time Clocks
Datasheet: DS1302S+T&R Datasheet (PDF)
RoHs Status: Rohs
In-stock: 4930

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DS1302S+T&R Product Details

The DS1302S+T&R is a trickle charge timekeeping chip in 8 pin WSOIC package. It contains a real-time clock/calendar and 31 bytes of static RAM and communicates with a microprocessor via a simple serial interface. It provides seconds, minutes, hours, day, date, month and year information. The end of the month date is automatically adjusted for months with fewer than 31 days including corrections for leap year. The clock operates in either the 24hour or 12hour format with an AM/PM indicator. Interfacing the DS1302S+T&R with a microprocessor is simplified by using synchronous serial communication. The CE, I/O (data line) and SCLK (serial clock) three wires required to communicate with the clock/RAM. Data can be transferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302S+T&R is the successor to the DS1202. It has dual power pins for primary and backup power supplies, programmable trickle charger for VCC1 and seven additional bytes of scratchpad memory.

DS1302S+T&R

Feature

  • Supply voltage range is 2V to 5.5V
  • Operating temperature range from 0°C to 70°C
  • Leap year compensation valid up to 2100
  • Designed to operate on very low power and retain data and clock information on less than 1µW
  • UL recognized
  • Clock & Timing

DS1302S+T&R Block Diagram
(Picture: Diagram)

Technical Parameters

  • Function
  • Clock, Calendar, Trickle Charger, NV Timekeeping RAM
  • RTC Bus Interface
  • 3-Wire
  • Date Format
  • YY:MM:DD
  • Time Format
  • HH:MM:SS
  • RTC Memory Size
  • 31 B
  • Supply Voltage Max
  • 5.5 V
  • Supply Voltage Min
  • 2 V
  • Maximum Operating Temperature
  • + 70 C
  • Minimum Operating Temperature
  • 0 C
  • Mounting Style
  • SMD/SMT
  • Package / Case
  • SOIC-8
  • Packaging
  • Reel
  • Battery Backup Switching
  • Yes
  • Series
  • DS1302
  • Part # Aliases
  • 90-1302S+TRL

DS1302S+T&R Datasheet

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Q: How does Jotrin guarantee that DS1302S+T&R is the original manufacturer or agent of MAXIM?
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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of DS1302S+T&R.
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Maxim Integrated Products is a global range of linearity, mixed-signal integrated circuits (IC) design, R & D and manufacturing leader, has designed, developed, and manufactured analog, mixed-signal, high-frequency, and digital circuits that enable all four of these key interactions....
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