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Details for DS3232SN# by Maxim Integrated
Electronic & Electrical Components > Semiconductors - ICs > Clocks Timing & Frequency Management
RTC W/TCXO I²C 2WIRE SERI 20SOIC
DS3232SN# image

DS3232SN# by Maxim Integrated

RTC W/TCXO I²C 2WIRE SERI 20SOIC
Features
236 Bytes of Battery-Backed SRAM
3.3V Operation
300-Mil, 20-Pin SO Package
Accuracy u00b13.5ppm from -40u00b0C to +85u00b0C
Battery Backup Input for Continuous Timekeeping
Digital Temp Sensor Output: u00b13u00b0C Accuracy
Fast (400kHz) I2C Interface
Low-Power Consumption
Operating Temperature Ranges Commercial: 0u00b0C to +70u00b0C Industrial: -40u00b0C to +85u00b0C
Programmable Square-Wave Output
RST Input/Output
Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2099
Register for Aging Trim
Two Time-of-Day Alarms
Underwriters Laboratories Recognized
Description
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
Extremely Accurate I2C RTC RS Components
ALARM RTC, I2C, 5.5V, SOIC-20; Date Format:Day; Date; Month; Year; Clock Format:HH:MM:SS; Clock IC Type:Alarm RTC; Supply Voltage Min:2.3V; Supply Voltage Max:5.5V; Clock IC Case Style:SOIC; No. of Pins:20Pins; IC Interface Type:I2C RoHS Compliant: Yes Newark Electronics
Extremely Accurate I2C RTC 20-Pin SOIC W Avnet America
Extremely Accurate I2C RTC 20-Pin SOIC W Avnet Europe
Extremely Accurate I2C RTC 20-Pin SOIC W Avnet Asia
DS3232 Series 5.5 V I2C 2-Wire Serial Surface Mount Real Time Clock -SOIC-20 Future Electronics