Real Time Clocks | Farnell Poland

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

DS1302Z+T&R	2515451 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC W/ RAM 248B HH:MM:SS NSOIC-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł19.070 10+ zł14.520 25+ zł13.380 100+ zł11.940 250+ zł10.890 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2V	5.5V	NSOIC	8Pins	Serial	0°C	70°C	-	-
X1B0003110001	2478574 Data Sheet RoHS	EPSON RTC IC XTAL 1.25 V to 5 V 10Pins I2C	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł10.130 10+ zł7.010 25+ zł6.370 50+ zł5.870 100+ zł5.150 More Pricing...	Min: 1 / Mult: 1	-	-	RTC	1.25V	5V	-	10Pins	I2C	-40°C	85°C	-	-
DS1302+	2518645 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES IC TRICKLE CHARGE RTC 1302 DIP8	Each	1+ zł23.000 10+ zł17.560 50+ zł15.320 100+ zł14.430 250+ zł13.500 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Timekeeper	2V	5.5V	DIP	8Pins	3 Wire, Serial	0°C	70°C	-	-
PCF2129T/2,518	2400451 Data Sheet RoHS	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C SPI 1.8V to 4.2V supply SOIC-16	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł24.770 10+ zł19.030 25+ zł17.560 50+ zł16.800 100+ zł15.990 More Pricing...	Min: 1 / Mult: 1	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	1.8V	4.2V	SOIC	16Pins	I2C, SPI	-40°C	85°C	-	-
DS1302Z+	2519519 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES Timekeeper IC Date Time Format (Day/Date/Month/Year hh:mm:ss) 3 Wire Serial 2 V to 5.5 V SOIC-8	Each	1+ zł20.590 10+ zł15.110 25+ zł14.430 100+ zł13.760 300+ zł13.080 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Timekeeper	2V	5.5V	SOIC	8Pins	3 Wire, Serial	0°C	70°C	-	-
DS1388Z-3+	2515352 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC Date Time Format (Day/Date/Month/Year HH:MM:SS:hh) I2C 2.7V to 3.3V Supply NSOIC-8	Each	1+ zł29.540 10+ zł21.140 25+ zł19.960 100+ zł18.780 300+ zł17.470 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	-	-
DS1337+	2518743 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year ss:mm:hh) I2C Serial 1.8 V to 5.5 V DIP-8	Each	1+ zł18.570 10+ zł12.960 50+ zł11.350 100+ zł10.300 250+ zł9.960 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	ss:mm:hh	RTC	1.8V	5.5V	DIP	8Pins	I2C, Serial	-40°C	85°C	-	-
M41T11M6F	2463678 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS RTC IC Date Time Format (Date/Month/Year ss:mm:hh) I2C 2 V to 5.5 V SOIC-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł14.090 10+ zł10.630 25+ zł9.750 50+ zł9.280 100+ zł8.820 More Pricing...	Min: 1 / Mult: 1	DD:MM:YYYY	ss:mm:hh	RTC	2V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
DS1337S+	2518709 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC Format DD:DT:MM;YY ss:mm:hh Up to 2100 year 0.032768 MHz I2C 1.8V to 5.5V SO-8	Each	1+ zł18.190 10+ zł12.700 25+ zł12.070 100+ zł11.390 300+ zł10.760 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	ss:mm:hh	RTC	1.8V	5.5V	SOIC	8Pins	I2C, Serial	-40°C	85°C	-	-
RV-8564-C2	1539389 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Date/Month/Year hh:mm:ss) I2C 1.2 V to 5.5 V SON-10	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł30.430 10+ zł23.930 25+ zł21.690 50+ zł20.170 100+ zł19.120 More Pricing...	Min: 1 / Mult: 1	DD:MM:YYYY	HH:MM:SS	RTC	1.2V	5.5V	SON	10Pins	I2C	-40°C	85°C	-	-
DS1248Y-70+	2515444 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+ zł208.210 10+ zł192.310 30+ zł184.840 100+ zł176.730	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS:hh	RTC	4.5V	5.5V	EDIP	32Pins	Bytewide	0°C	70°C	-	-
DS1302S+T&R	2515449 Data Sheet RoHS Date/Lot Code	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) Serial 2 V to 5.5 V WSOIC-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł19.410 10+ zł14.430 25+ zł13.250 100+ zł12.070 250+ zł10.800 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTC	2V	5.5V	WSOIC	8Pins	Serial	0°C	70°C	-	-
MCP7940M-I/SN	2098890 Data Sheet RoHS Date/Lot Code	MICROCHIP RTC IC Date Time Format (Date/Month/Year hh:mm:ss) I2C 1.8 V to 5.5 V SOIC-8	Each	1+ zł2.760 25+ zł2.550 100+ zł2.520 250+ zł2.490	Min: 1 / Mult: 1	DD:MM:YYYY	HH:MM:SS	RTC	1.8V	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	AEC-Q100
M48T35Y-70MH1F	2849895 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS RTC Clock/Calendar Date Time Format (YY-MM-DD-dd HH:MM:SS) Parallel 4.5V to 5.5V SOIC-28	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł77.480 10+ zł67.350 25+ zł64.610 50+ zł64.190 100+ zł62.500	Min: 1 / Mult: 1	YY-MM-DD-dd	HH:MM:SS	Calendar, Clock	4.5V	5.5V	SOIC	28Pins	Parallel	0°C	70°C	-	-
M48T58Y-70MH1F	2849896 Data Sheet RoHS Date/Lot Code	STMICROELECTRONICS RTC Clock/Calendar Date Time Format (YY-MM-DD-dd HH:MM:SS) Parallel 4.5V to 5.5V SOIC-28	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł68.240 10+ zł53.510 25+ zł51.320 50+ zł48.280 100+ zł45.240	Min: 1 / Mult: 1	YY-MM-DD-dd	HH:MM:SS	Calendar, Clock	4.5V	5.5V	SOIC	28Pins	Parallel	0°C	70°C	-	-
PCF8593T/1,118	2775931 Data Sheet RoHS Date/Lot Code	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C 2.5 V to 6 V supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł14.810 10+ zł11.180 25+ zł10.300 50+ zł9.790 100+ zł9.240 More Pricing...	Min: 1 / Mult: 1	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	2.5V	6V	SOIC	8Pins	I2C	-40°C	85°C	-	-
M41T94MH6F	2806842 Data Sheet RoHS Date/Lot Code	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+ zł27.180 10+ zł20.930 25+ zł19.370 50+ zł18.530 100+ zł17.680 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	-	-
MCP7940N-E/SN	2920808 Data Sheet RoHS Date/Lot Code	MICROCHIP RTCC Calendar Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 1.8V to 5.5V Supply SOIC-8	Each	1+ zł3.710 25+ zł3.660 100+ zł3.620 250+ zł3.570	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	RTCC	1.8V	5.5V	SOIC	8Pins	I2C	-40°C	125°C	-	-
PCF2123TS/1,118	2775930 Data Sheet RoHS Date/Lot Code	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) SPI 1.1 V to 5.5 V supply TSSOP-14	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł5.740 10+ zł4.190 50+ zł3.790 100+ zł3.350 250+ zł3.150 More Pricing...	Min: 1 / Mult: 1	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	1.1V	5.5V	TSSOP	14Pins	SPI	-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+ zł15.070 10+ zł12.070 25+ zł11.230 50+ zł10.890 100+ zł10.170 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	-	-
PCF85063ATT/AJ	2775937RL Data Sheet RoHS Date/Lot Code	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C 900 mV to 5.5 V supply TSSOP-8	Each (Supplied on Cut Tape) Re-Reel Packaging Options	100+ zł1.970 500+ zł1.690 1000+ zł1.610 2500+ zł1.540 5000+ zł1.510	Min: 100 / Mult: 5	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	900mV	5.5V	TSSOP	8Pins	I2C	-40°C	85°C	-	-
PCF85063AT/AAZ	2890042 Data Sheet RoHS	NXP Real Time Clock/Calendar IC I2C 900 mV to 5.5 V HH:MM:SS: 12Hr / 24Hr YY-MM-DD-DW SOIC 8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł3.440 10+ zł2.460 50+ zł2.220 100+ zł1.950 250+ zł1.810 More Pricing...	Min: 1 / Mult: 1	YY-MM-DD-DW	HH:MM:SS: 12Hr / 24Hr	Calendar, Clock	900mV	5.5V	SOIC	8Pins	I2C	-40°C	85°C	-	-
PCF85063ATT/AJ	2775937 Data Sheet RoHS Date/Lot Code	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C 900 mV to 5.5 V supply TSSOP-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł3.380 10+ zł2.400 100+ zł1.970 500+ zł1.690 1000+ zł1.610 More Pricing...	Min: 1 / Mult: 1	YYYY:MM:WK:DD:Hr:Min:Secs	Binary	Calendar, Clock	900mV	5.5V	TSSOP	8Pins	I2C	-40°C	85°C	-	-
PCF8563TS/5,118	2775932 Data Sheet RoHS Date/Lot Code	NXP Real Time Clock/Calendar IC Alarm I2C HH:MM:SS Day; Date; Month; Year 1 V to 5.5 V TSSOP-8	Each (Supplied on Cut Tape) Cut Tape Packaging Options	1+ zł3.900 10+ zł3.190 50+ zł2.760 100+ zł2.570 250+ zł2.570 More Pricing...	Min: 1 / Mult: 1	Day; Date; Month; Year	HH:MM:SS	Alarm RTC	1V	5.5V	TSSOP	8Pins	I2C	-40°C	85°C	-	-
M41T93RQA6F	2806840 Data Sheet RoHS Date/Lot Code	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+ zł14.770 10+ zł11.140 25+ zł10.210 50+ zł9.750 100+ zł9.240 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	-	-