Real Time Clocks:

783 Products Found
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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2775929

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 6.400
10+
kr 4.590
50+
kr 4.130
100+
kr 3.630
250+
kr 3.400
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD-DW
HH:MM:SS: 24Hr
Calendar, Clock
1V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
-
2775929RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 3.630
250+
kr 3.400
500+
kr 3.250
1000+
kr 3.130
2500+
kr 2.950
Min: 100 / Mult: 1
YY-MM-DD-DW
HH:MM:SS: 24Hr
Calendar, Clock
1V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
-
2798762

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 82.460
10+
kr 64.170
25+
kr 58.060
100+
kr 48.650
250+
kr 46.710
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2V
5.5V
SOIC
20Pins
SPI
0°C
70°C
-
-
3253614

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 18.660
10+
kr 17.390
25+
kr 14.850
50+
kr 13.580
100+
kr 12.460
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTC
1.5V
5.5V
-
10Pins
I2C
-40°C
105°C
-
-
2515397

RoHS

Each
1+
kr 42.500
10+
kr 32.640
50+
kr 28.390
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
-
-
3592268

RoHS

Each (Supplied on Full Reel)
Full Reel
2500+
kr 7.460
Min: 2500 / Mult: 2500
YY-MM-DD-dd
HH:MM:SS:hh
RTCC
1.8V
3.6V
MSOP
10Pins
SPI
-40°C
85°C
-
-
2515400

RoHS

Each
1+
kr 35.630
10+
kr 27.190
50+
kr 23.680
Min: 1 / Mult: 1
Binary
Binary
RTC
2.97V
3.63V
µSOP
8Pins
I2C
-40°C
85°C
-
-
3253614RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 12.460
250+
kr 11.420
Min: 100 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTC
1.5V
5.5V
-
10Pins
I2C
-40°C
105°C
-
-
2798762RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
10+
kr 64.170
25+
kr 58.060
100+
kr 48.650
250+
kr 46.710
500+
kr 46.120
Min: 10 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2V
5.5V
SOIC
20Pins
SPI
0°C
70°C
-
-
4071659RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 17.610
Min: 100 / Mult: 1
YY-MM-DD-DW
HH:MM:SS
Alarm RTC
1.6V
5.5V
Module
10Pins
I2C
-40°C
105°C
-
-
4071655RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 21.640
Min: 100 / Mult: 1
YY-MM-DD-DW
HH:MM:SS
Alarm RTC
1.6V
5.5V
Module
10Pins
I2C
-40°C
105°C
-
-
4071659

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 28.950
10+
kr 26.940
25+
kr 22.980
50+
kr 19.400
100+
kr 17.610
Min: 1 / Mult: 1
YY-MM-DD-DW
HH:MM:SS
Alarm RTC
1.6V
5.5V
Module
10Pins
I2C
-40°C
105°C
-
-
4071655

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 39.620
10+
kr 34.550
25+
kr 28.950
50+
kr 24.630
100+
kr 21.640
Min: 1 / Mult: 1
YY-MM-DD-DW
HH:MM:SS
Alarm RTC
1.6V
5.5V
Module
10Pins
I2C
-40°C
105°C
-
-
4153554

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 21.220
10+
kr 15.910
25+
kr 14.570
100+
kr 12.030
250+
kr 11.350
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
1.1V
5.5V
WLCSP
12Pins
I2C
-40°C
85°C
-
-
4153554RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 12.030
250+
kr 11.350
500+
kr 10.680
Min: 100 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
1.1V
5.5V
WLCSP
12Pins
I2C
-40°C
85°C
-
-
3783068

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 13.430
10+
kr 12.460
25+
kr 10.670
50+
kr 9.780
100+
kr 9.030
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTC
1.6V
5.5V
-
10Pins
I2C
-40°C
85°C
-
-
3783068RL

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 9.030
Min: 500 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTC
1.6V
5.5V
-
10Pins
I2C
-40°C
85°C
-
-
2098894

RoHS

Date/Lot Code

Each
1+
kr 5.270
25+
kr 4.850
100+
kr 4.790
250+
kr 4.720
Min: 1 / Mult: 1
DD:MM:YYYY
HH:MM:SS
RTC
1.8V
5.5V
DIP
8Pins
I2C
-40°C
85°C
-
AEC-Q100
1278031

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 62.350
10+
kr 45.650
25+
kr 43.410
50+
kr 41.020
100+
kr 36.320
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:DD:Hr:Min:Secs
12Hr / 24Hr
RTC
1.8V
5.5V
VSOJ
12Pins
I2C
-40°C
85°C
-
-
2361125

RoHS

Date/Lot Code

Each
1+
kr 9.940
25+
kr 9.110
100+
kr 8.670
250+
kr 8.520
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
12Hr / 24Hr
Alarm RTC
1.8V
3.6V
MSOP
10Pins
SPI
-40°C
85°C
-
AEC-Q100
1278029

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 66.750
10+
kr 48.930
25+
kr 46.470
50+
kr 43.930
100+
kr 38.860
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:DD:Hr:Min:Secs
12Hr / 24Hr
RTC
1.8V
5.5V
VSOJ
20Pins
I2C
-40°C
85°C
-
-
1823155

RoHS

Date/Lot Code

Each
1+
kr 7.540
25+
kr 7.410
100+
kr 7.280
250+
kr 7.150
Min: 1 / Mult: 1
DD:MM:YY
HH:MM:SS
RTC
1.8V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
MCP79410 MCP79411 MCP79412
AEC-Q100
1823153

RoHS

Date/Lot Code

Each
1+
kr 7.690
25+
kr 7.180
100+
kr 6.840
250+
kr 6.500
Min: 1 / Mult: 1
DD:MM:YY
HH:MM:SS
RTC
1.8V
5.5V
MSOP
8Pins
I2C
-40°C
85°C
-
AEC-Q100
9755764

RoHS

Each
1+
kr 149.850
10+
kr 116.830
25+
kr 111.450
50+
kr 107.490
100+
kr 103.460
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
Timekeeper
4.75V
5.5V
DIP
24Pins
Parallel
0°C
70°C
-
-
2361122

RoHS

Date/Lot Code

Each
1+
kr 6.040
25+
kr 5.620
100+
kr 5.400
250+
kr 5.300
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
12Hr / 24Hr
Alarm RTC
1.8V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
AEC-Q100
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