DS1387 Real Time Clock with RAM

DS1387 Features

• Upgraded IBM AT Computer Clock with RAM
• Interfaced with software as 64 user RAM locations plus 4Kx8 static RAM
• Nonvolatile with over 10 years of operation in the absence of power
• Bus Compatible Interrupt Signals
• Counts seconds, minutes, hours, day of the week, date, month, and year with leap year compensation
• 12- or 24-hour clock with AM and PM in 12-hour mode