HH:MM:SS:hh Real Time Clocks | Newark Electronics Canada

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

DS1251Y-70+	73Y1182 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ NVSRAM 4096KB HH:MM:SS:HH EDIP	Each	1+ $70.820 5+ $68.110 10+ $65.420 30+ $63.550 50+ $61.710 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	EDIP	32Pins	Bytewide	0°C	70°C	-
DS1394U-33+T&R	73Y1268 Data Sheet RoHS Date/Lot Code	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+ $7.360 10+ $5.620 25+ $5.190 50+ $4.940 100+ $4.700 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	-
DS1244Y-70+	73Y1160 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) Parallel 4.5 V to 5.5 V EDIP-28	Each	1+ $63.960 5+ $62.210 10+ $60.460 36+ $58.700 60+ $56.420 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	EDIP	28Pins	Parallel	0°C	70°C	-
DS1388Z-33+T&R	73Y1257 Data Sheet RoHS Date/Lot Code	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+ $9.580 10+ $7.370 25+ $6.830 50+ $6.520 100+ $6.220 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	-
DS1243Y-120+	73Y1159 Data Sheet RoHS	ANALOG DEVICES RTC W/ NVSRAM 64KB HH:MM:SS:HH EDIP28	Each	1+ $56.410 5+ $54.880 10+ $53.340 36+ $51.810 60+ $49.790 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	EDIP	28Pins	Parallel	0°C	70°C	-
AB1805-T3	40Y2064 Data Sheet RoHS Date/Lot Code	ABRACON REAL TIME CLOCK I2C QFN-16	Each (Supplied on Cut Tape) Cut Tape Re-Reel Full Reel available	1+ $2.800 10+ $2.030 25+ $1.950 50+ $1.840 100+ $1.730 More Pricing...	Min: 5 / Mult: 5 Min: 100 / 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	73Y1265 Data Sheet RoHS Date/Lot Code	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+ $7.360 10+ $5.620 25+ $5.190 50+ $4.940 100+ $4.700 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	-
M41T93RMY6F	45AC7415 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS ALARM RTC 32B SPI 5.5V SOIC-18	Each (Supplied on Cut Tape) Cut Tape Re-Reel Full Reel available	1+ $18.120 10+ $14.850 25+ $14.030 50+ $13.570 100+ $13.130 More Pricing...	Min: 1 / Mult: 1 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	-
DS1388Z-33+	73Y1256 Data Sheet RoHS Date/Lot Code	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+ $10.220 10+ $7.320 25+ $7.090 50+ $6.880 100+ $6.660 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	73Y1261 Data Sheet RoHS Date/Lot Code	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+ $7.360 10+ $5.620 25+ $5.190 50+ $4.950 100+ $4.720 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+	73Y1260 Data Sheet RoHS Date/Lot Code	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+ $8.410 10+ $6.450 25+ $6.060 50+ $5.660 100+ $5.430 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	-
DS1391U-33+	73Y1264 Data Sheet RoHS Date/Lot Code	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+ $8.330 10+ $6.380 25+ $5.990 50+ $5.590 100+ $5.360 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	-
M41ST87WMX6TR	45AC7402 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS ALARM RTC 160B I2C 3.6V SOIC-28	Each (Supplied on Cut Tape) Cut Tape	1+ $18.450 10+ $15.140 25+ $14.310 50+ $13.850 100+ $13.390 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	-
M41T82ZM6F	45AC7410 Data Sheet RoHS	STMICROELECTRONICS ALARM RTC 32B I2C 5.5V SOIC-8	Each	1+ $5.440 10+ $4.300 25+ $4.010 50+ $3.850 100+ $3.700 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year; Century	HH:MM:SS:hh	Alarm RTC	2.38V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-
M41T83RMY6F	45AC7411 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS RTC Day/Date/Month/Year/Century HH:MM:SS:hh Alarm RTC I2C 2.7 V to 5.5 V Supply SOIC-18	Each (Supplied on Cut Tape) Cut Tape	1+ $8.830 10+ $7.080 25+ $6.650 50+ $6.410 100+ $6.160 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	-
M41T81SMY6F	45AC7407 Data Sheet RoHS	STMICROELECTRONICS ALARM RTC 20B I2C 5.5V SOIC-18	Each (Supplied on Cut Tape) Cut Tape	1+ $15.290 10+ $12.930 25+ $12.500 50+ $11.930 100+ $11.490 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	-
AB-RTCMC-32.768KHZ-AIGZ-S7-T	73AJ0500 Data Sheet RoHS Date/Lot Code	ABRACON REAL TIME CLOCK I2C -40 TO 85DEG C ROHS COMPLIANT: YES	Each (Supplied on Cut Tape) Cut Tape Re-Reel Full Reel available	1+ $5.830 10+ $4.510 25+ $4.170 50+ $3.990 100+ $3.800 More Pricing...	Min: 1 / Mult: 1 Min: 100 / Mult: 1	YY-MM-DD-dd	HH:MM:SS:hh	RTC	1.3V	4.4V	CLCC	8Pins	I2C	-40°C	85°C	-
DS1248Y-70+	73Y1174 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) Bytewide 4.5 V to 5.5 V EDIP-32	Each	1+ $70.560 5+ $67.860 10+ $65.170 30+ $62.640 50+ $61.470 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	EDIP	32Pins	Bytewide	0°C	70°C	-
M41T82SM6F	45AC7409 Data Sheet RoHS	STMICROELECTRONICS ALARM RTC 32B I2C 5.5V SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ $4.990 10+ $3.920 25+ $3.660 50+ $3.510 100+ $3.370 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	-
MCP79512-I/MS	44AC2581 Data Sheet RoHS Date/Lot Code	MICROCHIP RTC SERIAL SPI 3.6V MSOP-10	Each	1+ $1.940 10+ $1.870 25+ $1.780 50+ $1.740 100+ $1.700	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	73AJ0971 Data Sheet RoHS Date/Lot Code	ABRACON REAL TIME CLOCK I2C/SPI -40 TO 85DEG C ROHS COMPLIANT: YES	Each (Supplied on Cut Tape) Cut Tape Re-Reel Full Reel available	1+ $3.410 10+ $2.390 25+ $2.300 50+ $2.140 100+ $1.990 More Pricing...	Min: 5 / Mult: 5 Min: 100 / Mult: 5	YY-MM-DD-dd	HH:MM:SS:hh	RTC	1.5V	3.6V	QFN-EP	16Pins	SPI	-40°C	85°C	-
AB0805-T3	40Y2063 Data Sheet RoHS Date/Lot Code	ABRACON REAL TIME CLOCK I2C QFN-16	Each (Supplied on Cut Tape) Cut Tape Re-Reel Full Reel available	1+ $2.700 10+ $2.010 25+ $1.850 50+ $1.770 100+ $1.690 More Pricing...	Min: 5 / Mult: 5 Min: 100 / Mult: 5	Day; Date; Month; Year; Century	HH:MM:SS:hh	RTC	1.5V	3.6V	QFN	16Pins	I2C	-40°C	85°C	-
DS1388Z-3+	73Y1254 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC Day/Date/Month/Year HH:MM:SS:hh RTC I2C 2.7 V to 3.3 V Supply NSOIC-8	Each	1+ $10.220 10+ $7.320 25+ $7.090 50+ $6.880 100+ $6.660 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	2.7V	3.3V	NSOIC	8Pins	I2C	-40°C	85°C	-
DS1394U-33+	73Y1267 Data Sheet RoHS Date/Lot Code	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+ $8.590 10+ $6.590 25+ $6.200 50+ $5.800 100+ $5.550 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+	73Y1258 Data Sheet RoHS Date/Lot Code	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+ $10.510 10+ $7.540 25+ $7.320 50+ $7.090 100+ $6.870 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	-