HH:MM:SS:hh Real Time Clocks

Real-Time Clock products offer a diverse range of real-time clock (RTC) solutions for networking and embedded applications. The primary function of RTC is to keep time and calendar data.We offer Real Time Clock (RTC) functions including Alarm RTC, Binary Counter, Real Time Calendar Clock (RTCC), Elapsed Time Recorder and Real Time Event Recorder. Use of a hardware RTC allows microcontrollers like the Raspberry Pi to be used without internet access and still provide services that use time stamps. For example, the DS1307 is a commonly available I2C based RTC module – so using the DS1307’s I2C protocol, which is supported by the Raspberry Pi, real time clock support can easily and cost-effectively be added.Another popular RTC module, also with I2C support, is the DS3231. The DS3231 is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping when mains power to the device is interrupted. Accuracy is ±2ppm from 0°C to +40°C, and ±3.5ppm from -40°C to +85°C.Apart from I2C, other interface types include 2 wire, 3 wire, 4 wire, Motorola Serial Peripheral Interface (SPI), Bytewide, Parallel, Multiplexed, and Phantom Clock.Operating temperatures range from -40°C minimum to +125°C maximum. Products are available to the AEC-Q100 Automotive Qualification Standard.

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			Price For		Quantity

M41T83RMY6F	2806835 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 2.7V to 5.5V Supply SOIC-18	Each (Supplied on Cut Tape) Cut Tape	1+ CNY39.020 (CNY44.0926) 10+ CNY29.800 (CNY33.674) 25+ CNY27.530 (CNY31.1089) 50+ CNY26.250 (CNY29.6625) 100+ CNY24.970 (CNY28.2161) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	SOIC	18Pins	I2C	-40°C	85°C
DS1392U-33+	2515397 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) SPI 2.97 V to 5.5 V µSOP-10	Each	1+ CNY35.950 (CNY40.6235) 10+ CNY30.540 (CNY34.5102) 50+ CNY28.480 (CNY32.1824) 100+ CNY26.420 (CNY29.8546) 250+ CNY25.050 (CNY28.3065) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C
MCP79520T-I/MS	3592268 Data Sheet RoHS	MICROCHIP Real Time Clock RTCC SPI 1.8 V to 3.6 V MSOP-10 -40 °C to 85 °C	Each (Supplied on Full Reel) Full Reel	2500+ CNY12.060 (CNY13.6278) 7500+ CNY10.550 (CNY11.9215)	Min: 2500 / Mult: 2500	YY-MM-DD-dd	HH:MM:SS:hh	RTCC	1.8V	3.6V	MSOP	10Pins	SPI	-40°C	85°C
M41T80M6F	2806830 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 2V to 5.5V Supply SOIC-8	Each	1+ CNY21.030 (CNY23.7639) 10+ CNY18.870 (CNY21.3231) 25+ CNY17.850 (CNY20.1705) 100+ CNY15.460 (CNY17.4698) 250+ CNY14.670 (CNY16.5771) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2V	5.5V	SOIC	8Pins	I2C	-40°C	85°C
DS1394U-33+	2515398 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) SPI 2.97 V to 5.5 V µSOP-10	Each	1+ CNY46.140 (CNY52.1382) 10+ CNY31.700 (CNY35.821) 50+ CNY26.450 (CNY29.8885) 100+ CNY25.980 (CNY29.3574) 250+ CNY25.740 (CNY29.0862) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C
DS1390U-33+	2515392 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) SPI 2.97 V to 5.5 V µSOP-10	Each	1+ CNY44.280 (CNY50.0364) 10+ CNY33.960 (CNY38.3748) 50+ CNY29.830 (CNY33.7079) 100+ CNY28.550 (CNY32.2615) 250+ CNY27.200 (CNY30.736) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C
DS1388Z-5+	2515354 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) I2C 4.5 V to 5.5 V NSOIC-8	Each	1+ CNY55.340 (CNY62.5342) 10+ CNY42.790 (CNY48.3527) 25+ CNY39.650 (CNY44.8045) 100+ CNY36.190 (CNY40.8947) 300+ CNY34.270 (CNY38.7251) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	NSOIC	8Pins	I2C	-40°C	85°C
M41T94MQ6F	2806843 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) SPI 2.7V to 5.5V Supply SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ CNY40.700 (CNY45.991) 10+ CNY31.190 (CNY35.2447) 25+ CNY28.770 (CNY32.5101) 50+ CNY27.460 (CNY31.0298) 100+ CNY26.140 (CNY29.5382) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	SOIC	16Pins	SPI	-40°C	85°C
M41T93RMY6F	2806839 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) SPI 2.7V to 5.5V Supply SOIC-18	Each (Supplied on Cut Tape) Cut Tape	1+ CNY79.130 (CNY89.4169) 10+ CNY61.930 (CNY69.9809) 25+ CNY57.610 (CNY65.0993) 50+ CNY55.240 (CNY62.4212) 100+ CNY52.860 (CNY59.7318) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	SOIC	18Pins	SPI	-40°C	85°C
M41T81SMY6F	2806831 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 2.7V to 5.5V Supply SOIC-18	Each (Supplied on Cut Tape) Cut Tape	1+ CNY62.370 (CNY70.4781) 10+ CNY49.710 (CNY56.1723) 25+ CNY48.830 (CNY55.1779) 50+ CNY47.950 (CNY54.1835) 100+ CNY47.070 (CNY53.1891) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	SOIC	18Pins	I2C	-40°C	85°C
M41T81M6F	3367096 Data Sheet RoHS	STMICROELECTRONICS REAL-TIME CLOCK W/ALARM -40 TO 85DEG C	Each (Supplied on Cut Tape) Cut Tape	1+ CNY22.560 (CNY25.4928) 10+ CNY16.890 (CNY19.0857) 25+ CNY15.470 (CNY17.4811) 50+ CNY14.720 (CNY16.6336) 100+ CNY13.970 (CNY15.7861) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2V	5.5V	SOIC	8Pins	I2C	-40°C	85°C
DS1390U-33+T&R	2515476 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) SPI 2.97 V to 5.5 V µSOP-10	Each (Supplied on Cut Tape) Cut Tape	1+ CNY38.720 (CNY43.7536) 10+ CNY29.570 (CNY33.4141) 25+ CNY27.280 (CNY30.8264) 100+ CNY24.760 (CNY27.9788) 250+ CNY23.560 (CNY26.6228) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C
M41T94MH6F	2806842 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) SPI 2.7V to 5.5V Supply SOH-28	Each (Supplied on Cut Tape) Cut Tape	1+ CNY82.210 (CNY92.8973) 10+ CNY64.420 (CNY72.7946) 25+ CNY59.960 (CNY67.7548) 50+ CNY57.510 (CNY64.9863) 100+ CNY55.050 (CNY62.2065) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	SOH	28Pins	SPI	-40°C	85°C
DS1388Z-33+	2515353 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) I2C 2.97 V to 3.63 V NSOIC-8	Each	1+ CNY53.800 (CNY60.794) 10+ CNY41.550 (CNY46.9515) 25+ CNY38.490 (CNY43.4937) 100+ CNY35.120 (CNY39.6856) 300+ CNY33.240 (CNY37.5612) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	2.97V	3.63V	NSOIC	8Pins	I2C	-40°C	85°C
DS1390U-33+T&R	2515476RL Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) SPI 2.97 V to 5.5 V µSOP-10	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY24.760 (CNY27.9788) 250+ CNY23.560 (CNY26.6228) 500+ CNY22.830 (CNY25.7979) 1000+ CNY22.240 (CNY25.1312)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C
MCP79512-I/MS	2810108 Data Sheet RoHS	MICROCHIP Calendar Clock IC Day/Date/Month/Year hh:mm:ss:hh Serial SPI 1.8 V to 3.6 V supply MSOP-10	Each	1+ CNY10.220 (CNY11.5486) 25+ CNY10.120 (CNY11.4356) 100+ CNY10.020 (CNY11.3226)	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Calendar, Clock	1.8V	3.6V	MSOP	10Pins	Serial SPI	-40°C	85°C
AB0815-T3	3820754 Data Sheet RoHS	ABRACON Real Time Clock HH:MM:SS:hh YY-MM-DD-dd I2C/SPI QFN-EP-16	Each (Supplied on Full Reel) Full Reel Packaging Options	3000+ CNY9.990 (CNY11.2887) 9000+ CNY8.740 (CNY9.8762)	Min: 3000 / Mult: 3000	YY-MM-DD-dd	HH:MM:SS:hh	RTC	1.5V	3.6V	QFN-EP	16Pins	SPI	-40°C	85°C
M41T93RQA6F	2806840 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) SPI 2.7V to 5.5V Supply QFN-16	Each (Supplied on Cut Tape) Cut Tape	1+ CNY61.860 (CNY69.9018) 10+ CNY48.020 (CNY54.2626) 25+ CNY44.510 (CNY50.2963) 50+ CNY42.610 (CNY48.1493) 100+ CNY40.700 (CNY45.991) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	5.5V	QFN	16Pins	SPI	-40°C	85°C
M41T82SM6F	2806833 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 3V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY22.330 (CNY25.2329) 10+ CNY16.770 (CNY18.9501) 25+ CNY15.300 (CNY17.289) 50+ CNY14.540 (CNY16.4302) 100+ CNY13.770 (CNY15.5601) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	3V	5.5V	SOIC	8Pins	I2C	-40°C	85°C
M41ST85WMX6TR	2806825 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 2.7V to 3.6V Supply SOIC-28	Each (Supplied on Cut Tape) Cut Tape	1+ CNY79.430 (CNY89.7559) 10+ CNY62.150 (CNY70.2295) 25+ CNY57.830 (CNY65.3479) 50+ CNY55.490 (CNY62.7037) 100+ CNY53.150 (CNY60.0595) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.7V	3.6V	SOIC	28Pins	I2C	-40°C	85°C
AB0805-T3	2467702 Data Sheet RoHS	ABRACON RTC IC Day:Date:Month:Year:Century HH:MM:SS:hh 1.5 V to 3.6 V QFN 16Pins I2C	Each (Supplied on Cut Tape) Cut Tape	5+ CNY15.570 (CNY17.5941) 50+ CNY10.670 (CNY12.0571) 100+ CNY9.710 (CNY10.9723) 500+ CNY9.630 (CNY10.8819) 1500+ CNY9.540 (CNY10.7802)	Min: 5 / Mult: 5	Day; Date; Month; Year; Century	HH:MM:SS:hh	RTC	1.5V	3.6V	QFN	16Pins	I2C	-40°C	85°C
DS1388Z-33+T&R	2515475 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) I2C 2.97 V to 3.63 V NSOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY50.430 (CNY56.9859) 10+ CNY38.820 (CNY43.8666) 25+ CNY35.930 (CNY40.6009) 100+ CNY32.750 (CNY37.0075) 250+ CNY31.240 (CNY35.3012) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	2.97V	3.63V	NSOIC	8Pins	I2C	-40°C	85°C
M41ST87WMX6TR	2806826 Data Sheet RoHS	STMICROELECTRONICS RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS:hh) I2C 3V to 3.6V Supply SOIC-28	Each (Supplied on Cut Tape) Cut Tape	1+ CNY80.520 (CNY90.9876) 10+ CNY63.030 (CNY71.2239) 25+ CNY58.640 (CNY66.2632) 50+ CNY56.230 (CNY63.5399) 100+ CNY53.810 (CNY60.8053) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	3V	3.6V	SOIC	28Pins	I2C	-40°C	85°C
AB1805-T3	2467703 Data Sheet RoHS	ABRACON RTC IC Day:Date:Month:Year:Century HH:MM:SS:hh 1.5 V to 3.6 V QFN 16Pins I2C	Each (Supplied on Cut Tape) Cut Tape	5+ CNY17.750 (CNY20.0575) 50+ CNY12.360 (CNY13.9668) 100+ CNY10.950 (CNY12.3735) 500+ CNY10.490 (CNY11.8537) 1500+ CNY10.030 (CNY11.3339)	Min: 5 / Mult: 5	Day; Date; Month; Year; Century	HH:MM:SS:hh	RTC	1.5V	3.6V	QFN	16Pins	I2C	-40°C	85°C
DS1391U-33+T&R	2515477 Data Sheet RoHS	ANALOG DEVICES RTC Day/Date/Month/Year HH:MM:SS:hh Alarm RTC SPI 2.97 V to 5.5 V Supply µSOP-10	Each (Supplied on Cut Tape) Cut Tape	1+ CNY38.720 (CNY43.7536) 10+ CNY29.570 (CNY33.4141) 25+ CNY27.280 (CNY30.8264) 100+ CNY24.760 (CNY27.9788) 250+ CNY23.560 (CNY26.6228) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	Alarm RTC	2.97V	5.5V	µSOP	10Pins	SPI	-40°C	85°C

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