Real Time Clocks:

43 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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81Y9084

RoHS

Date/Lot Code

Each
1+
$15.300
10+
$12.080
25+
$11.460
92+
$10.850
138+
$10.540
More Pricing...
Min: 1 / Mult: 1
DD:MM:YYYY
HH:MM:SS
RTC
2.3V
5.5V
WSOIC
16Pins
I2C
-40°C
85°C
-
-
38AC0956

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$13.590
10+
$10.700
25+
$9.980
50+
$9.580
100+
$9.170
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
-
-
14AC3758

RoHS

Date/Lot Code

Each
1+
$10.820
10+
$8.450
25+
$8.000
92+
$7.540
138+
$7.310
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2.97V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
38AC0955

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$9.110
10+
$8.420
25+
$8.410
50+
$7.810
100+
$7.810
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2.3V
5.5V
SOIC
16Pins
I2C
0°C
70°C
-
-
78Y4800

RoHS

Date/Lot Code

Each
1+
$13.670
10+
$10.750
25+
$10.190
92+
$9.630
138+
$9.350
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
2.3V
5.5V
WSOIC
16Pins
I2C
0°C
70°C
-
-
73Y1623

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$11.640
10+
$9.120
25+
$8.480
50+
$8.140
100+
$7.800
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
-
-
31AC6845

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$4.190
10+
$3.900
25+
$3.680
50+
$3.450
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
-
-
73Y1622

RoHS

Date/Lot Code

Each
1+
$12.680
10+
$9.950
25+
$9.430
92+
$8.910
138+
$8.640
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
-
-
40Y2064

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$2.130
10+
$1.550
25+
$1.490
50+
$1.400
100+
$1.320
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
-
-
78Y4777

RoHS

Date/Lot Code

Each
1+
$8.560
10+
$6.630
25+
$5.900
92+
$5.710
138+
$5.520
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
1.8V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
81Y9052

RoHS

Date/Lot Code

Each
1+
$10.030
10+
$7.820
25+
$7.250
50+
$6.990
100+
$6.720
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
12Hr / 24Hr
RTC
2V
5.5V
DIP
16Pins
3 Wire, Serial
0°C
70°C
-
-
68AH9621

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$9.640
10+
$7.500
25+
$6.970
50+
$6.670
100+
$6.370
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTCC
2.97V
5.5V
WSOIC
16Pins
I2C
-40°C
85°C
-
-
24M1001

RoHS

Date/Lot Code

Each
1+
$23.930
5+
$20.810
10+
$17.680
25+
$16.610
50+
$16.600
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
3V
6V
SOIC
16Pins
SPI
-40°C
85°C
-
-
99AJ4767

RoHS

Each (Supplied on Cut Tape)
Cut Tape
1+
$2.300
10+
$2.130
25+
$2.130
50+
$1.980
Min: 1 / Mult: 1
YY-MM-DD-DW
HH:MM:SS: 12Hr / 24Hr
Calendar, Clock
1.2V
5.5V
HLSON
16Pins
I2C, SPI
-40°C
85°C
-
AEC-Q100
73Y1202

RoHS

Date/Lot Code

Each
1+
$11.350
10+
$8.870
25+
$8.250
50+
$7.910
100+
$7.570
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
Alarm RTC
2V
5.5V
DIP
16Pins
SPI
-40°C
85°C
-
-
14AC3760

RoHS

Each
1+
$9.180
10+
$7.170
25+
$6.780
92+
$6.420
138+
$6.210
More Pricing...
Min: 1 / Mult: 1
Binary
Binary
RTC
2.97V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
68AH9617

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$7.820
10+
$6.050
25+
$5.600
50+
$5.360
100+
$5.110
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD-dd
HH:MM:SS
RTCC
1.8V
5.5V
WSOIC
16Pins
I2C
-40°C
85°C
-
-
99AJ4766

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$3.900
10+
$2.940
25+
$2.710
50+
$2.570
Min: 1 / Mult: 1
YY-MM-DD-DW
HH:MM:SS: 12Hr / 24Hr
Calendar, Clock
1.2V
5.5V
HLSON
16Pins
I2C, SPI
-40°C
105°C
-
AEC-Q100
75Y6245

RoHS

Date/Lot Code

Each
1+
$9.190
10+
$7.150
25+
$6.630
50+
$6.340
100+
$6.070
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
Alarm RTC
2V
5.5V
DIP
16Pins
SPI
0°C
70°C
-
-
68AH9618

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$9.510
10+
$7.390
25+
$6.860
50+
$6.580
100+
$6.280
More Pricing...
Min: 1 / Mult: 1
YY-MM-DD
HH:MM:SS
RTC
3V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
73AJ0971

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$2.600
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
-
-
40Y2063

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
1+
$2.210
10+
$1.590
25+
$1.460
50+
$1.380
100+
$1.310
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
-
-
31AC6843

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
1+
$1.390
10+
$1.020
25+
$0.919
50+
$0.867
Min: 1 / Mult: 1
YYYY:MM:WK:DD:Hr:Min:Secs
Binary
Calendar, Clock
1.1V
5.5V
HVQFN
16Pins
I2C
-40°C
85°C
-
-
14AC3759

RoHS

Date/Lot Code

Each
1+
$9.900
10+
$7.710
25+
$7.290
92+
$6.860
138+
$6.660
More Pricing...
Min: 1 / Mult: 1
DD:MM:YY
HH:MM:SS
RTC
2.97V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
38AC0921

RoHS

Date/Lot Code

Each
1+
$9.900
10+
$7.710
25+
$6.870
92+
$6.660
138+
$6.450
More Pricing...
Min: 1 / Mult: 1
Day; Date; Month; Year
HH:MM:SS
RTC
2.7V
5.5V
SOIC
16Pins
I2C
-40°C
85°C
-
-
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