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Image	Part Number	D.S	Description	Package Category	Prices / Stock	Model	Action
	RV-3029-C2-32.768KHZ-OPTION-B-TB-QC Micro Crystal AG	1	Real-Time Clock Module	Other	RV-3029-C2-32.768KHZ-OPTION-B-TB-QC	3D model available Symbol and footprint available 3	1 Download Model
	ISL12022MAIBZ-T Renesas Electronics	1	The ISL12022MA device is a low power real time clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator compensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or polled alarms, intelligent battery backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. Backup battery current draw is less than 1. 6µA over the temperature range. The device is offered in a 20 Ld SOIC module that contains the	Small Outline Packages	ISL12022MAIBZ-T	3D model available Symbol and footprint available 3	1 Download Model
	RV-3029-C3-32.768KHZ-OPTION-A-TA-QC Micro Crystal AG This part was updated within the past 30 days. Set alerts for model updates on the part download page.	1	Real-Time Clock Module	Other	RV-3029-C3-32.768KHZ-OPTION-A-TA-QC	3D model available Symbol and footprint available 3	1 Download Model
	ISL12026IBZ-T7A Renesas Electronics	1	The ISL12026 and the ISL12026A devices are micro power real time clocks with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. Th	Small Outline Packages	ISL12026IBZ-T7A	3D model available Symbol and footprint available 3	1 Download Model

	DS1302N+ Analog Devices	1	MAXIM INTEGRATED PRODUCTS - DS1302N+ - RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), Serial, 2 V to 5.5 V, DIP-8	Dual-In-Line Packages	DS1302N+	3D model available Symbol and footprint available 3	1 Download Model
	RV-3032-C7-32.768KHZ-2.5PPM-TA-QC Micro Crystal AG	1	Real-Time Clock Module	Other	RV-3032-C7-32.768KHZ-2.5PPM-TA-QC	3D model available Symbol and footprint available 3	1 Download Model
	ISL1219IUZ-T Renesas Electronics	1	The ISL1219 device is a low power real time clock with Event Detect and Time Stamp function, timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and 2 Bytes of battery-backed user SRAM. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. The calendar is	Small Outline Packages	ISL1219IUZ-T	3D model available Symbol and footprint available 3	1 Download Model
	1339-2DVGI Renesas Electronics	1	The 1339 serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicato	Small Outline Packages	1339-2DVGI	3D model available Symbol and footprint available 3	1 Download Model
	M48T58-70PC1 STMicroelectronics	1	STMicroelectronics M48T58-70PC1, Real Time Clock (RTC), 8192B RAM Parallel, 28-Pin PCDIP	Dual-In-Line Packages	M48T58-70PC1	3D model available Symbol and footprint available 3	1 Download Model
	DS1685S-5+T&R Analog Devices	1	Real Time Clock 3V/5V Real-Time Clock	Small Outline Packages	DS1685S-5+T&R	3D model available Symbol and footprint available 3	1 Download Model
	1339AC-31SRGI Renesas Electronics	1	The 1339 serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicato	Small Outline Packages	1339AC-31SRGI	3D model available Symbol and footprint available 3	1 Download Model
	ISL12058IRTZ-T Renesas Electronics	1	The ISL12058 device is a low power real time clock with clock/calendar, and alarm function. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction.	Small Outline No-lead	ISL12058IRTZ-T	3D model available Symbol and footprint available 3	1 Download Model
	PCF85063BTL NXP	1	Real Time Clock Tiny Real-Time Clock/calendar with alarm function and SPI bus	Small Outline No-lead	PCF85063BTL	3D model available Symbol and footprint available 3	1 Download Model
	1339AC-2SRGI Renesas Electronics	1	The 1339 serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicato	Small Outline Packages	1339AC-2SRGI	3D model available Symbol and footprint available 3	1 Download Model
	HS1-82C54RH-Q Renesas Electronics	1	A radiation hardened CMOS programmable interval timer, the Intersil HS-82C54RH is a high-performance, radiation hardened CMOS version of the industry standard 8254 and is manufactured using a hardened field, self-aligned silicon gate CMOS process. It has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 5MHz. Six programmable timer modes allow the HS-82C54RH to be used as an event counter, elapsed time indicator, a programmable one-sho	Ceramic Dual-In-Line Packages	HS1-82C54RH-Q	3D model not available Symbol and footprint available 2	1 Download Model

	DS2413Q+U Analog Devices	1	1-Wire Dual Channel Addressable Switch	Small Outline No-lead	DS2413Q+U	3D model available Symbol and footprint available 3	1 Download Model
	ISL12026AIVZ Renesas Electronics	1	The ISL12026 and the ISL12026A devices are micro power real time clocks with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. Th	Small Outline Packages	ISL12026AIVZ	3D model available Symbol and footprint available 3	1 Download Model
	CDP68HC68T1MZ Renesas Electronics	1	The CDP68HC68T1 Real-Time Clock provides a time/calendar function, a 32 byte static RAM, and a 3 wire Serial Peripheral Interface (SPI Bus). The primary function of the clock is to divide down a frequency input that can be supplied by the on-board oscillator in conjunction with an external crystal or by an external clock source. The internal oscillator can operate with a 32kHz, 1MHz, 2MHz, or 4MHz crystal. An external clock source with a 32kHz, 1MHz, 2MHz, 4MHz, 50Hz or 60Hz frequency can be used to drive t	Small Outline Packages	CDP68HC68T1MZ	3D model available Symbol and footprint available 3	1 Download Model
	ISL12057IUZ Renesas Electronics	1	The ISL12057 device is a low-power, real-time clock that is pin compatible and functionally equivalent to Maxim DS1337 with clock/calendar and alarm function. The oscillator uses an external, low-cost 32. 768kHz crystal with 6pF load capacitance. The real-time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year, and day of the week. The calendar is accurate through 2099, with automatic leap year correction.	Small Outline Packages	ISL12057IUZ	3D model available Symbol and footprint available 3	1 Download Model
	1339-2DCGI Renesas Electronics	1	The 1339 serial real-time clock (RTC) is a low-power clock/date device with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with AM/PM indicato	Small Outline Packages	1339-2DCGI	3D model available Symbol and footprint available 3	1 Download Model
	RV-1805-C3 Micro Crystal AG	1	Real-Time Clock Module	Other	RV-1805-C3	3D model available Symbol and footprint available 3	1 Download Model
	1338AC-31SRGI8 Renesas Electronics	1	The 1338 is a serial real-time clock (RTC) device that consumes ultra-low power and provides a full binary-coded decimal (BCD) clock/calendar with 56 bytes of battery backed Non-Volatile Static RAM. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. Access to the	Small Outline Packages	1338AC-31SRGI8	3D model available Symbol and footprint available 3	1 Download Model
	IP82C54Z Renesas Electronics	1	The Intersil 82C54 is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process. The 82C54 has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 8MHz (82C54) or 10MHz (82C54-10) or 12MHz (82C54-12). The High-Speed and industry standard configuration of the 82C54 make it compatible with the Intersil 80C86, 80C88, and 80C286 CMOS microprocessors along with many other industry standard proces	Dual-In-Line Packages	IP82C54Z	3D model available Symbol and footprint available 3	1 Download Model
	ISL12008IB8Z Renesas Electronics	1	The ISL12008 device is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The device additionally provides power-fail indicator, software alarm and intelligent battery backup. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week	Small Outline Packages	ISL12008IB8Z	3D model available Symbol and footprint available 3	1 Download Model
	IS82C54Z Renesas Electronics	1	The Intersil 82C54 is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process. The 82C54 has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 8MHz (82C54) or 10MHz (82C54-10) or 12MHz (82C54-12). The High-Speed and industry standard configuration of the 82C54 make it compatible with the Intersil 80C86, 80C88, and 80C286 CMOS microprocessors along with many other industry standard proces	Plastic Leaded Chip Carrier	IS82C54Z	3D model not available Symbol and footprint available 2	1 Download Model
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