Clocks, Synthesizers & Timers
{“@context”: “https://schema.org”,”@type”: “FAQPage”,”mainEntity”: [{“@type”: “Question”,”name”: “what does a real time clock work do?”, “acceptedAnswer”: {“@type”: “Answer”,”text”: “Similar in nature to watches, Real Time Clocks measure the passage of time in real time.”}}, {“@type”: “Question”,”name”: “What is the difference between real time clock and system clock?”,”acceptedAnswer”: {“@type”: “Answer”,”text”: “Unlike system clocks that regulate components of a computer system through issued signal frequencies, Real Time Clocks are designed to measure the passage of time.”}}, {“@type”: “Question”,”name”: “How does a real time clock work?”,”acceptedAnswer”: {“@type”: “Answer”,”text”: “Real Time Clocks operate on an alternate power source which allows them to keep the time when the unit its operating in is powered down.”}}]}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, an 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 facilitates the performance of the software functions that are time dependant.Designed to run on ultra-low power consumption, RTCs often run on a lithium battery source but can also run on 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 YearMonthDateHoursMinutesSeconds
Showing 1–24 of 28 results
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AD9834BRUZ, Direct Digital Synthesizer 10 bit-Bit 20-Pin TSSOP
VND470,583.52 -
AD9834CRUZ, Direct Digital Synthesizer 10 bit-Bit 20-Pin TSSOP
VND476,530.56 -
EPSON X1B000301000212, Real Time Clock (RTC) Serial-I2C, 10-Pin
VND51,988.64 -
Microchip MCP79400-I/SN, Real Time Clock (RTC), 64B RAM Serial-2 Wire, Serial-I2C, 8-Pin SOIC
VND329,772.96Pack (1 Pack of 10) -
Microchip MCP7940M-I/P, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin PDIP
VND279,702.72Bag (1 Bag of 10) -
Microchip MCP7940N-I/SN, Real Time Clock (RTC), 64B RAM Serial-I2C, 8-Pin SOIC
VND253,996.16Pack (1 Pack of 10) -
onsemi MC1455BDG, Timer Circuit, 8-Pin SOIC
VND125,655.20Pack (1 Pack of 10) -
Renesas Electronics ICM7555IPAZ, Programmable Timer Circuit 1MHz, 2 → 18 V, 8-Pin PDIP
VND227,138.56Tube (1 Tube of 10) -
STMicroelectronics 5 Pin Watchdog Timer, SOT-23
VND168,243.68Reel (1 Reel of 5) -
STMicroelectronics M41T81M6F, Real Time Clock (RTC), 20B RAM Serial, 8-Pin SOIC
VND431,448.16Reel (1 Reel of 5) -
STMicroelectronics M41T81SM6F, Real Time Clock (RTC), 20B RAM Serial-I2C, 8-Pin SOIC
VND463,869.12Pack (1 Pack of 5) -
STMicroelectronics M48T58-70PC1, Real Time Clock (RTC), 8192B RAM Parallel, 28-Pin PCDIP
VND762,180.32 -
Texas Instruments CD4536BEE4, Programmable Timer Circuit, 16-Pin PDIP
VND202,391.20Tube (1 Tube of 10) -
Texas Instruments LM555CM/NOPB, Timer Circuit, 8-Pin SOIC
VND423,007.20Pack (1 Pack of 10) -
Texas Instruments NE555P, Timer Circuit, 8-Pin PDIP
VND0.00 -
Texas Instruments NE555P, Timer Circuit, 8-Pin PDIP
VND420,129.60Pack (1 Pack of 50) -
Texas Instruments NE556N, Timer Circuit, Dual, 14-Pin PDIP
VND397,492.48Tube (1 Tube of 25) -
Texas Instruments SA555P, Timer Circuit, 8-Pin PDIP
VND85,560.64Tube (1 Tube of 10) -
Texas Instruments SE555P, Timer Circuit, 8-Pin PDIP
VND42,972.16Tube (1 Tube of 5)
