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Real Time Clocks:

907 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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2427481

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč18.559
10+
Kč13.317
100+
Kč10.509
500+
Kč9.355
1000+
Kč9.029
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
Binary
Calendar, Clock
900mV
5.5V
HXSON
10Pins
I2C
-40°C
85°C
-
-
2515485

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč262.337
10+
Kč205.656
25+
Kč191.110
100+
Kč175.560
250+
Kč168.036
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
2.3V
5.5V
WSOIC
16Pins
I2C
-40°C
85°C
-
-
2851649

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč27.086
25+
Kč25.080
100+
Kč23.876
3300+
Kč22.672
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTCC
1.8V
5.5V
TDFN
8Pins
I2C
-40°C
85°C
-
-
2798724

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč125.149
10+
Kč95.806
25+
Kč87.028
100+
Kč79.504
250+
Kč74.488
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
4.5V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
-
2798763

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč287.166
10+
Kč229.984
25+
Kč205.907
100+
Kč191.110
250+
Kč186.094
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2V
5.5V
SOIC
20Pins
SPI
-40°C
85°C
-
-
2983744

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč86.777
10+
Kč60.694
25+
Kč52.166
50+
Kč47.652
100+
Kč43.138
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
-
-
2909754

RoHS

Date/Lot Code

Each
1+
Kč132.673
10+
Kč93.799
25+
Kč89.285
100+
Kč84.520
300+
Kč78.751
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
-
-
2841031

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč39.125
10+
Kč28.591
50+
Kč26.083
100+
Kč23.099
250+
Kč21.719
More Pricing...
Min: 1 / Mult: 1
DD:MM:YY
HH:MM:SS
Alarm RTC
1.8V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
-
2798760

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč317.764
10+
Kč249.797
25+
Kč233.244
100+
Kč214.434
250+
Kč205.656
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
-
-
2361117

RoHS

Date/Lot Code

Each
1+
Kč22.748
25+
Kč21.067
100+
Kč19.863
250+
Kč19.462
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
-
-
2361121

RoHS

Date/Lot Code

Each
1+
Kč23.951
25+
Kč22.020
100+
Kč20.841
250+
Kč20.415
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
12Hr / 24Hr
Alarm RTC
1.8V
5.5V
MSOP
8Pins
I2C
-40°C
85°C
-
-
2358515

RoHS

Each
1+
Kč261.334
10+
Kč205.405
25+
Kč186.094
50+
Kč173.052
100+
Kč164.023
More Pricing...
Min: 1 / Mult: 1
YYYY:MM:DD:Hr:Min:Secs
24Hr
Alarm RTC
1.3V
5.5V
SON
10Pins
SPI
-40°C
125°C
-
-
2361124

RoHS

Date/Lot Code

Each
1+
Kč31.350
25+
Kč29.344
100+
Kč27.588
250+
Kč27.086
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
1467735

RoHS

Date/Lot Code

Each
Hazardous Item: There maybe additional transit time on this item. Delivery of other items on your order will be unaffected.
1+
Kč1,242.714
5+
Kč1,087.469
10+
Kč901.124
25+
Kč807.827
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
Timekeeper
4.75V
5.5V
DIP
28Pins
Parallel
0°C
70°C
-
-
9756523

RoHS

Date/Lot Code

Each
Hazardous Item: There maybe additional transit time on this item. Delivery of other items on your order will be unaffected.
1+
Kč1,119.822
5+
Kč979.876
10+
Kč811.840
25+
Kč727.822
50+
Kč671.893
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
Timekeeper
4.5V
5.5V
DIP
24Pins
Parallel
0°C
70°C
-
-
2103565

RoHS

Date/Lot Code

Each
1+
Kč43.890
25+
Kč38.372
100+
Kč31.852
250+
Kč28.591
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
HH:MM:SS
Calendar, Clock
1.8V
5.5V
SOIC
8Pins
I2C
-40°C
85°C
-
AEC-Q100
2302153

RoHS

Date/Lot Code

Each
Packaging Options
5+
Kč33.858
50+
Kč31.852
250+
Kč27.588
500+
Kč26.836
1500+
Kč26.083
More Pricing...
Min: 5 / Mult: 5
-
-
RTC
1.7V
3.6V
QFN
16Pins
I2C
-40°C
85°C
AB08XX
-
2361119

RoHS

Date/Lot Code

Each
1+
Kč24.904
25+
Kč22.973
100+
Kč21.795
250+
Kč21.368
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
-
-
2361118

RoHS

Date/Lot Code

Each
1+
Kč24.904
25+
Kč22.973
100+
Kč21.795
250+
Kč21.368
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
-
-
2361123

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč29.344
25+
Kč27.086
100+
Kč25.582
3300+
Kč23.525
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
12Hr / 24Hr
Alarm RTC
1.8V
5.5V
TDFN
8Pins
I2C
-40°C
85°C
-
AEC-Q100
2515425

RoHS

Date/Lot Code

Each
1+
Kč371.435
14+
Kč282.902
28+
Kč276.131
112+
Kč260.330
252+
Kč251.302
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
4.5V
5.5V
EDIP
24Pins
Multiplexed
0°C
70°C
-
-
2518691

RoHS

Each
1+
Kč153.740
10+
Kč118.127
50+
Kč102.326
100+
Kč95.555
250+
Kč88.282
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
ss:mm:hh
RTC
2.97V
5.5V
MSOP
8Pins
I2C, Serial
-40°C
85°C
-
-
2515461

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
Kč125.902
10+
Kč96.307
25+
Kč88.783
100+
Kč79.754
250+
Kč74.738
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
3V
5.5V
µSOP
8Pins
I2C
-40°C
85°C
-
-
2515377

RoHS

Date/Lot Code

Each
1+
Kč138.943
10+
Kč101.323
50+
Kč86.777
100+
Kč83.266
250+
Kč80.005
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
1.71V
5.5V
µSOP
8Pins
I2C
-40°C
85°C
-
-
2518742

RoHS

Date/Lot Code

Each
1+
Kč214.183
10+
Kč174.055
74+
Kč135.683
148+
Kč133.927
296+
Kč132.172
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
2V
5.5V
TSSOP
20Pins
3 Wire, Serial, SPI
-40°C
85°C
-
-
51-75 of 907 items
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