Real Time Clocks

What is a Real Time Clock?A Real Time Clock (RTC) is a computer clock which is usually in the form of an integrated circuit. They have been designed to keep track of time, in real time - hence the product name. A Real Time Clock is usually an integral part of the computer motherboard. More often than not, a RTC will also include a calendar and an alarmHow do Real Time Clocks work?The memory on the clocks system stores system descriptions and set up values such as "Current Time Value". The information that is held in the RTC is read with a microprocessor, commonly over a serial interface which facilitate the performance of the software functions that are time dependant. They are designed to run on an ultra-low power consumption, often run on a lithium battery source or normal power. This power source allows them to continue running and generating real time when a system is down. The newer models of RTC use super-capacitors as a source of power that can be recharged and soldered to the board.Some Real Time Clocks feature synchronisation to an external signal, such as a compensated power line frequency. It allows the device to provide an accurate result without having an on-board temperature compensation scheme. RTC Time Values Year Month Date Hours Minutes Seconds

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Description Price Functions Date Format Time Format User RAM Bus Type Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature
RS Stock No. 171-0195
Mfr. Part No.AB0805-T3
BrandAbracon
$1.395
Each (On a Reel of 3000)
units
- - - - - Surface Mount 16-VFQFN - - - - - - 85 °C
RS Stock No. 171-0537
Mfr. Part No.AB1815-T3
BrandAbracon
$2.75
Each (In a Pack of 5)
units
- - - - - Surface Mount 16-VFQFN - - - - - - 85 °C
RS Stock No. 171-0196
Mfr. Part No.AB1805-T3
BrandAbracon
$1.418
Each (On a Reel of 3000)
units
- - - - - Surface Mount 16-VFQFN - - - - - - 85 °C
RS Stock No. 171-0508
Mfr. Part No.AB0805-T3
BrandAbracon
$2.66
Each (In a Pack of 5)
units
- - - - - Surface Mount 16-VFQFN - - - - - - 85 °C
RS Stock No. 171-0197
Mfr. Part No.AB1815-T3
BrandAbracon
$1.418
Each (On a Reel of 3000)
units
- - - - - Surface Mount 16-VFQFN - - - - - - 85 °C
RS Stock No. 171-0522
Mfr. Part No.AB1805-T3
BrandAbracon
$2.71
Each (In a Pack of 5)
units
- - - - - - 16-VFQFN - - - - - - 85 °C