The L294 is a monolithic switched mode solenoid driver designed for quick, excessive present functions reminiscent of hummer and needle driving in printers and digital typewriters. Energy dissipation is diminished by environment friendly change mode operation.

An additional BLOCK DIAGRAM function of the L294 is a latched diagnostic output which signifies when the output is brief circuited. The L294 is provided in a 11-lead Multiwatt® plastic energy packages

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The DS1307 serial real-time clock (RTC) is a low energy, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. Deal with and knowledge are transferred serially by means of an I2 C, bidirectional bus.

The clock/calendar supplies seconds, minutes, hours, day, date, month, and yr info. The tip of the month date is mechanically adjusted for months with fewer than 31 days, together with corrections for intercalary year.

The clock operates in both the 24-hour or 12- hour format with AM/PM indicator. The DS1307 has a built-in power-sense circuit that detects energy failures and mechanically switches to the backup provide. Timekeeping operation continues whereas the half operates from the backup provide.

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