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PT7C433833A - Real-time Clock Module

General Description

The PT7C433833A serial real-time clock is a low-power clock/calendar with a programmable square-wave output and 56 bytes of nonvolatile RAM.

Address and data are transferred serially via a 2-wire, bidirectional bus.

Key Features

  • Using external 32.768kHz quartz crystal Supports I2C-Bus's high speed mode (400 kHz) Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code) Programmable square wave output signal 56-byte, battery-backed, nonvolatile (NV) RAM for data storage Automatic power-fail detect and switch circuitry of battery backup UL Recognized: E348121.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features Using external 32.768kHz quartz crystal Supports I2C-Bus's high speed mode (400 kHz) Includes time (Hour/Minute/Second) and calendar (Year/Month/Date/Day) counter functions (BCD code) Programmable square wave output signal 56-byte, battery-backed, nonvolatile (NV) RAM for data storage Automatic power-fail detect and switch circuitry of battery backup UL Recognized: E348121 Description PT7C433833A Real-time Clock Module (I2C Bus) The PT7C433833A serial real-time clock is a low-power clock/calendar with a programmable square-wave output and 56 bytes of nonvolatile RAM. Address and data are transferred serially via a 2-wire, bidirectional bus. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information.