Day; Date; Month; Year 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

DS3232MZ+TRL	2987323RL Data Sheet RoHS	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS) I2C 2.3V to 4.5V Supply SOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	10+ CNY63.960 (CNY72.2748) 25+ CNY59.510 (CNY67.2463) 100+ CNY54.620 (CNY61.7206) 250+ CNY52.280 (CNY59.0764) 500+ CNY50.880 (CNY57.4944) More Pricing...	Min: 10 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	4.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
DS3232MZ+TRL	2987323 Data Sheet RoHS	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year/Century HH:MM:SS) I2C 2.3V to 4.5V Supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY81.780 (CNY92.4114) 10+ CNY63.960 (CNY72.2748) 25+ CNY59.510 (CNY67.2463) 100+ CNY54.620 (CNY61.7206) 250+ CNY52.280 (CNY59.0764) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	4.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
DS3231S#T&R	2798759 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 2.3 V to 5.5 V supply SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ CNY84.300 (CNY95.259) 10+ CNY66.020 (CNY74.6026) 25+ CNY61.450 (CNY69.4385) 100+ CNY56.440 (CNY63.7772) 250+ CNY54.040 (CNY61.0652) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	5.5V	SOIC	16Pins	I2C	0°C	70°C	-	-
DS1307Z+T&R	2798723 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 4.5 V to 5.5 V supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY34.720 (CNY39.2336) 10+ CNY26.410 (CNY29.8433) 25+ CNY24.320 (CNY27.4816) 100+ CNY22.040 (CNY24.9052) 250+ CNY20.950 (CNY23.6735) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	4.5V	5.5V	SOIC	8Pins	I2C	0°C	70°C	-	-
DS3231SN#T&R	2798760 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 2.3 V to 5.5 V supply SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ CNY95.710 (CNY108.1523) 10+ CNY75.320 (CNY85.1116) 25+ CNY70.220 (CNY79.3486) 100+ CNY64.610 (CNY73.0093) 250+ CNY61.940 (CNY69.9922) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	5.5V	SOIC	16Pins	I2C	-40°C	85°C	-	-
MCP7940N-E/SN	2920808 Data Sheet RoHS	MICROCHIP RTCC Calendar Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.8V to 5.5V Supply SOIC-8	Each	1+ CNY9.710 (CNY10.9723) 25+ CNY8.490 (CNY9.5937) 100+ CNY7.030 (CNY7.9439)	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTCC	1.8V	5.5V	SOIC	8Pins	I2C	-40°C	125°C	-	-
MCP7940NT-I/SN	2857529 Data Sheet RoHS	MICROCHIP RTC Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.8V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY6.230 (CNY7.0399) 25+ CNY6.190 (CNY6.9947) 100+ CNY6.150 (CNY6.9495) 3300+ CNY5.750 (CNY6.4975)	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	1.8V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12057IUZ-T	2983744 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.4V to 3.6V Supply MSOP-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY26.670 (CNY30.1371) 10+ CNY18.670 (CNY21.0971) 25+ CNY16.060 (CNY18.1478) 50+ CNY14.680 (CNY16.5884) 100+ CNY13.300 (CNY15.029) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1.4V	3.6V	MSOP	8Pins	I2C	-40°C	85°C	-	-
MAX31328NELB+	3677599 Data Sheet RoHS	ANALOG DEVICES Real Time Clock Alarm RTC I2C 12Hr / 24Hr 2.3 V to 5.5 V LGA-10 -40 °C to 85 °C	Each	1+ CNY36.890 (CNY41.6857) 10+ CNY28.100 (CNY31.753) 25+ CNY25.900 (CNY29.267) 100+ CNY23.490 (CNY26.5437) 490+ CNY21.650 (CNY24.4645) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	12Hr / 24Hr	RTC	2.3V	5.5V	LGA	10Pins	I2C, Serial	-40°C	85°C	-	-
ISL12057IBZ-T	2983743 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.4V to 3.6V Supply NSOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY20.390 (CNY23.0407) 10+ CNY20.090 (CNY22.7017) 25+ CNY19.780 (CNY22.3514) 50+ CNY19.480 (CNY22.0124) 100+ CNY19.160 (CNY21.6508) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1.4V	3.6V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
CDP68HC68T1M2Z	9663797 Data Sheet RoHS	RENESAS RTC Date Time Format (Day/Date/Month/Year HH:MM:SS) SPI 3V to 6V Supply SOIC-16	Each	1+ CNY168.530 (CNY190.4389) 10+ CNY124.550 (CNY140.7415) 25+ CNY117.010 (CNY132.2213) 50+ CNY116.940 (CNY132.1422) 100+ CNY109.990 (CNY124.2887)	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	3V	6V	SOIC	16Pins	SPI	-40°C	85°C	-	-
DS1342U+	2515385 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 1.8 V to 5.5 V µSOP-8	Each	1+ CNY32.430 (CNY36.6459) 10+ CNY24.610 (CNY27.8093) 50+ CNY21.480 (CNY24.2724) 100+ CNY20.500 (CNY23.165) 250+ CNY19.480 (CNY22.0124) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1.8V	5.5V	µSOP	8Pins	I2C	-40°C	85°C	-	-
MCP7940NT-I/SN	2857529RL Data Sheet RoHS	MICROCHIP RTC Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.8V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY6.150 (CNY6.9495) 3300+ CNY5.750 (CNY6.4975)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	1.8V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12057IBZ-T	2983743RL Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.4V to 3.6V Supply NSOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY19.160 (CNY21.6508) 250+ CNY18.850 (CNY21.3005) 500+ CNY18.550 (CNY20.9615) 1000+ CNY18.230 (CNY20.5999)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1.4V	3.6V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12026IBZ-T	2983742RL Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply NSOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	1+ CNY14.700 (CNY16.611)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
ISL1208IB8Z-TK	2983745RL Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY12.930 (CNY14.6109) 250+ CNY12.830 (CNY14.4979) 500+ CNY12.710 (CNY14.3623) 1000+ CNY12.600 (CNY14.238)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12026IBZ-T	2983742 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply NSOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY14.700 (CNY16.611)	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12057IUZ-T	2983744RL Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.4V to 3.6V Supply MSOP-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY13.300 (CNY15.029) 250+ CNY11.810 (CNY13.3453) 500+ CNY11.500 (CNY12.995) 1000+ CNY11.190 (CNY12.6447)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1.4V	3.6V	MSOP	8Pins	I2C	-40°C	85°C	-	-
ISL1208IB8Z-TK	2983745 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY21.070 (CNY23.8091) 10+ CNY15.770 (CNY17.8201) 25+ CNY14.200 (CNY16.046) 50+ CNY13.570 (CNY15.3341) 100+ CNY12.930 (CNY14.6109) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
DS3231SN#T&R	2798760RL Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 2.3 V to 5.5 V supply SOIC-16	Each (Supplied on Cut Tape) Re-Reel Packaging Options	10+ CNY75.320 (CNY85.1116) 25+ CNY70.220 (CNY79.3486) 100+ CNY64.610 (CNY73.0093) 250+ CNY61.940 (CNY69.9922) 500+ CNY60.330 (CNY68.1729) More Pricing...	Min: 10 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	5.5V	SOIC	16Pins	I2C	-40°C	85°C	-	-
DS1307Z+T&R	2798723RL Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 4.5 V to 5.5 V supply SOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY22.040 (CNY24.9052) 250+ CNY20.950 (CNY23.6735) 500+ CNY20.280 (CNY22.9164) 2500+ CNY19.740 (CNY22.3062)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	4.5V	5.5V	SOIC	8Pins	I2C	0°C	70°C	-	-
DS3231S#T&R	2798759RL Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 2.3 V to 5.5 V supply SOIC-16	Each (Supplied on Cut Tape) Re-Reel Packaging Options	10+ CNY66.020 (CNY74.6026) 25+ CNY61.450 (CNY69.4385) 100+ CNY56.440 (CNY63.7772) 250+ CNY54.040 (CNY61.0652) 500+ CNY52.610 (CNY59.4493) More Pricing...	Min: 10 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2.3V	5.5V	SOIC	16Pins	I2C	0°C	70°C	-	-
ISL12022IBZ-T7A	2983741 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply NSOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ CNY38.680 (CNY43.7084) 10+ CNY29.570 (CNY33.4141) 25+ CNY27.260 (CNY30.8038) 50+ CNY25.880 (CNY29.2444) 100+ CNY24.500 (CNY27.685) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
ISL12022IBZ-T7A	2983741RL Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply NSOIC-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ CNY24.500 (CNY27.685) 250+ CNY23.450 (CNY26.4985) 500+ CNY22.400 (CNY25.312) 1000+ CNY21.740 (CNY24.5662)	Min: 100 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	2.7V	5.5V	NSOIC	8Pins	I2C	-40°C	85°C	-	-
DS1308U-33+T	3596303 Data Sheet RoHS	ANALOG DEVICES Real Time Clock RTC I2C 3 V to 5.5 V µSOP-8 -40 °C to 85 °C	Each (Supplied on Cut Tape) Cut Tape	1+ CNY39.080 (CNY44.1604) 10+ CNY29.800 (CNY33.674) 25+ CNY27.480 (CNY31.0524) 100+ CNY24.940 (CNY28.1822) 250+ CNY23.720 (CNY26.8036) More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	3V	5.5V	µSOP	8Pins	I2C	-40°C	85°C	-	-