DS3234SN# Serial Address RTCs by Analog Devices

Status: Production
Series: DS3234
RoHS: Not Compliant
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The DS3234 is a low-cost, extremely accurate SPI™ bus real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The DS3234 incorporates a precision, temperature-compensated voltage reference and comparator circuit to monitor VCC. When VCC drops below the power-fail voltage (VPF), the device asserts the active-low RST output and also disables read and write access to the part when VCC drops below both VPF and VBAT. The active-low RST pin is monitored as a pushbutton input for generating a µP reset. The device switches to the backup supply input and maintains accurate timekeeping when main power to the device is interrupted. 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 DS3234 is available in commercial and industrial temperature ranges, and is offered in an industry-standard 300-mil, 20-pin SO package.The DS3234 also integrates 256 bytes of battery-backed SRAM. In the event of main power loss, the contents of the memory are maintained by the power source connected to the VBAT pin. 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 active-low AM/PM indicator. Two programmable time-of-day alarms and a programmable square-wave output are provided. Address and data are transferred serially by an SPI bidirectional bus.
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DS3234SN# Semiconductors - ICs by Analog Devices

RTC TCXO +/-2PPM SPI 20SOIC
Status: Unknown
Series: -
RoHS: Unknown
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Specifications

Date Format YY-MM-DD
Clock Format HH
Clock IC Type RTC
Supply Voltage Min 2V
Supply Voltage Max 5.5V
Clock IC Case Style SOIC
No. of Pins 20Pins
IC Interface Type SPI
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)
Operating Temperature Range -40°C to +85°C
Supply Voltage Range 2V to 5.5V

Alternative Descriptions

DS3234SN | Elfaro
RTC, TCXO, +/-2PPM, SPI, 20SOIC | element14
ALARM RTC, SPI, 5.5V, SOIC-20 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS3234SN#?

Additional datasheets, footprints and schematics for DS3234SN# are listed on our Part Details page. You can also find images and similar parts to DS3234SN# on this page.

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What category does DS3234SN# fall under?

The DS3234SN# is listed under Serial Address RTCs.

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Is the DS3234SN# RoHS compliant?

This part has not been flagged as RoHS Compliant.

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