No | Part number | Description ( Function ) | Manufacturers | |
2 | DS12887A | (DS12xxx) Real Time Clock Rev 0; 6/05 Real-Time Clock General Description The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287. The devices provide a real-time clock/calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square wave, and 114 bytes of batterybacked static RAM (113 by |
Maxim Integrated Products |
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1 | DS12887A | Real Time Clock DS12887A Real Time Clock www.dalsemi.com FEATURES § Drop–in replacement for IBM AT computer clock/calendar § Pin compatible with the MC146818B and DS1287A § Totally nonvolatile with over 10 years of operation in the absence of power § Self–contained subsystem includes lithium, quartz, and support circuitry § Counts seconds, minutes, hours, days, day of the week, date, |
Dallas |
List of most widely used semiconductors
Part Number | Function | Manufacturers | |
1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
Vishay |
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LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
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6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |