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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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2515431

RoHS

Each
1+
kr 253.850
14+
kr 195.180
28+
kr 185.720
112+
kr 172.470
252+
kr 167.260
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year; Century
HH:MM:SS
Alarm RTC
4.5V
5.5V
EDIP
24Pins
Multiplexed
0°C
70°C
-
-
2515386

RoHS

Date/Lot Code

Each
1+
kr 53.690
10+
kr 38.280
50+
kr 35.410
100+
kr 31.960
250+
kr 29.770
More Pricing...
Min: 1 / Mult: 1
Binary
Binary
Binary Counter
1.7V
5.5V
µSOP
8Pins
I2C
-40°C
85°C
-
-
2400451

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 67.370
10+
kr 51.730
25+
kr 47.820
50+
kr 45.640
100+
kr 43.450
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
-
-
2515444

RoHS

Date/Lot Code

Each
1+
kr 567.200
10+
kr 523.860
30+
kr 503.520
100+
kr 481.440
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS:hh
RTC
4.5V
5.5V
EDIP
32Pins
Bytewide
0°C
70°C
-
-
2427480

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 57.820
10+
kr 47.480
25+
kr 43.220
50+
kr 41.960
100+
kr 40.580
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
-
-
2515392

RoHS

Each
1+
kr 66.450
10+
kr 50.350
50+
kr 44.260
100+
kr 41.040
250+
kr 39.200
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
-
-
2519519

RoHS

Date/Lot Code

Each
1+
kr 56.100
10+
kr 41.150
25+
kr 39.320
100+
kr 37.480
300+
kr 35.640
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
-
-
2515352

RoHS

Date/Lot Code

Each
1+
kr 80.470
10+
kr 57.590
25+
kr 54.380
100+
kr 51.160
300+
kr 47.590
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
-
-
2400450

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 57.020
10+
kr 44.140
25+
kr 40.810
50+
kr 39.090
100+
kr 37.250
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
Binary
Calendar, Clock
1.8V
4.2V
SOIC
20Pins
I2C, SPI
-40°C
85°C
-
-
2445809

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 54.410
10+
kr 37.460
25+
kr 34.140
50+
kr 31.530
100+
kr 27.740
More Pricing...
Min: 1 / Mult: 1
-
-
Alarm RTC
2.5V
5.5V
-
10Pins
I2C
-40°C
85°C
-
-
2515464RL

RoHS

Each (Supplied on Cut Tape)
Re-Reel
Packaging Options
100+
kr 41.170
250+
kr 39.270
500+
kr 37.970
Min: 100 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
2.97V
5.5V
µSOP
8Pins
I2C
-40°C
85°C
-
-
2519293

RoHS

Date/Lot Code

Each
1+
kr 58.170
10+
kr 45.520
88+
kr 37.820
176+
kr 37.360
264+
kr 36.900
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
2V
5.5V
SOIC
8Pins
3 Wire, Serial
0°C
70°C
-
-
1539389

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 149.050
10+
kr 102.790
25+
kr 95.700
50+
kr 90.140
100+
kr 84.220
More Pricing...
Min: 1 / Mult: 1
DD:MM:YYYY
HH:MM:SS
RTC
1.2V
5.5V
SON
10Pins
I2C
-40°C
85°C
-
-
2518645

RoHS

Date/Lot Code

Each
1+
kr 62.650
10+
kr 47.820
50+
kr 41.730
100+
kr 39.320
250+
kr 36.790
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
-
-
2519011

RoHS

Date/Lot Code

Each
1+
kr 184.740
14+
kr 139.330
28+
kr 131.400
112+
kr 120.480
252+
kr 115.530
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
4.5V
5.5V
EDIP
24Pins
Parallel
0°C
70°C
-
-
2515348

RoHS

Each
1+
kr 65.640
10+
kr 45.640
25+
kr 43.220
100+
kr 40.810
300+
kr 37.360
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
1.71V
5.5V
NSOIC
8Pins
I2C
-40°C
85°C
-
-
2515466

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 60.560
10+
kr 46.370
25+
kr 42.700
100+
kr 38.800
250+
kr 36.910
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2.97V
5.5V
NSOIC
8Pins
I2C
-40°C
85°C
-
-
2515371

RoHS

Date/Lot Code

Each
1+
kr 65.300
10+
kr 50.120
50+
kr 43.910
100+
kr 41.150
250+
kr 38.050
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
4.5V
5.5V
DIP
8Pins
I2C
-40°C
85°C
-
-
1971844

RoHS

Date/Lot Code

Each
1+
kr 12.070
25+
kr 11.500
100+
kr 10.960
250+
kr 10.770
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
Alarm RTC
1.8V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
AEC-Q100
2345963

RoHS

Date/Lot Code

Each
1+
kr 15.060
25+
kr 14.020
100+
kr 13.340
250+
kr 13.110
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
1.8V
3.6V
MSOP
10Pins
SPI
-40°C
85°C
AEC-Q100
AEC-Q100
2518702

RoHS

Each
1+
kr 65.640
10+
kr 45.410
25+
kr 42.070
100+
kr 38.740
300+
kr 36.900
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
ss:mm:hh
RTC
2.97V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
-
2400449

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 57.840
10+
kr 43.530
25+
kr 40.570
50+
kr 38.680
100+
kr 36.790
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
Binary
Calendar, Clock
1.8V
4.2V
SOIC
20Pins
I2C, SPI
-40°C
85°C
-
-
2400453

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
kr 15.380
10+
kr 11.240
50+
kr 10.180
100+
kr 9.040
250+
kr 8.480
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
Binary
Calendar, Clock
1V
5.5V
HVSON
10Pins
I2C
-40°C
85°C
-
-
2467702

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
5+
kr 15.290
50+
kr 14.380
250+
kr 12.460
500+
kr 12.120
1500+
kr 11.660
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
-
-
2518743

RoHS

Date/Lot Code

Each
1+
kr 51.930
10+
kr 36.430
50+
kr 31.700
100+
kr 28.740
250+
kr 27.920
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
-
-
76-100 of 783 items
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