DS3232SN

Electronic & Electrical Components

> Semiconductors - ICs

> Clocks Timing & Frequency Management

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Series Information for DS3232SN# - Maxim Integrated

Features

  • feature
    236 Bytes of Battery-Backed SRAM
  • feature
    3.3V Operation
  • feature
    300-Mil, 20-Pin SO Package
  • feature
    Accuracy u00b13.5ppm from -40u00b0C to +85u00b0C
  • feature
    Battery Backup Input for Continuous Timekeeping
  • feature
    Digital Temp Sensor Output: u00b13u00b0C Accuracy
  • feature
    Fast (400kHz) I2C Interface
  • feature
    Low-Power Consumption
  • feature
    Operating Temperature Ranges Commercial: 0u00b0C to +70u00b0C Industrial: -40u00b0C to +85u00b0C
  • feature
    Programmable Square-Wave Output
  • feature
    RST Input/Output
  • feature
    Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2099
  • feature
    Register for Aging Trim
  • feature
    Two Time-of-Day Alarms
  • feature
    Underwriters Laboratories Recognized

Description

RTC W/TCXO I²C 2WIRE SERI 20SOIC
The DS3232 is a low-cost temperature-compensated crystal oscillator (TCXO) with a very accurate, tempera- ture-compensated, integrated real-time clock (RTC) and 236 bytes of battery-backed SRAM. Additionally, the DS3232 incorporates a battery input and maintains accu- rate timekeeping when main power to the device is inter- rupted. The integration of the crystal resonator enhances the long-term accuracy of the device as well as reduces the piece-part count in a manufacturing line. The DS3232 is available in commercial and industrial temperature ranges, and is offered in an industry-standard 20-pin, 300-mil SO package. The RTC maintains 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 an AM/PM indicator. Two programmable time-of- day alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage refer- ence and comparator circuit monitors the status of VCC to detect power failures, to provide a reset output, and to automatically switch to the backup supply when nec- essary. Additionally, the RST pin is monitored as a pushbutton input for generating a µP reset.

Specifications

Date Format:
DD
Clock Format:
HH
Clock IC Type:
RTC
Supply Voltage Min:
2.3V
Supply Voltage Max:
5.5V
Clock IC Case Style:
SOIC
No. of Pins:
20Pins
IC Interface Type:
I2C
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Base Number:
3232
Clock Frequency:
32.768kHz
No. of Outputs:
1Outputs
Operating Temperature Range:
-40°C to +85°C
RTC Features:
Square-Wave Output
Supply Voltage Range:
2.3V to 5.5V
Termination Type:
Surface Mount Device
Voltage Vcc:
3.3V

Alternate Descriptions

Avnet America

Extremely Accurate I2C RTC 20-Pin SOIC W

Avnet America product

Avnet Europe

Extremely Accurate I2C RTC 20-Pin SOIC W

Avnet Europe product

Avnet Asia

Extremely Accurate I2C RTC 20-Pin SOIC W

Avnet Asia product

Future Electronics

DS3232 Series 5.5 V I2C 2-Wire Serial Surface Mount Real Time Clock -SOIC-20