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Real Time Clocks (RTC)

Analog Devices Inc. Real-time Clocks (RTCs) are offered in a wide range of low-power, highly accurate, small packages, and MEMs-based ICs. RTC ICs measure time, even when the power of the main device is off, so an auxiliary battery or supercapacitor are required. Power consumption is a key factor in most RTC designs, but accuracy and small package size are also important. The latest RTC ICs reduce package pin count by supporting a serial interface.

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Part #

Real Time Clock I C RTC with 56-Byte NV RAM

DS1338U-33+
Analog Devices / Maxim Integrated
1: $8.17
99In Stock
400On Order

Mfr. Part No.
DS1338U-33+

Mouser Part No
700-DS1338U-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with 56-Byte NV RAM

Datasheet

99In Stock

400On Order

$8.17

$6.27

$5.79

$5.28

View

Min.: 1
Mult.: 1

Real Time Clock Low-Current, I C, Serial Real-Time Clock

DS1339AU+
Analog Devices / Maxim Integrated
1: $8.16
299In Stock

Mfr. Part No.
DS1339AU+

Mouser Part No
700-DS1339AU+

Analog Devices / Maxim Integrated

Real Time Clock Low-Current, I C, Serial Real-Time Clock

Datasheet

299In Stock

$8.16

$6.15

$5.58

$5.22

View

Min.: 1
Mult.: 1

Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL

DS1339BU+
Analog Devices / Maxim Integrated
1: $9.06
7In Stock

Mfr. Part No.
DS1339BU+

Mouser Part No
700-DS1339BU+

Analog Devices / Maxim Integrated

Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP TRL

Datasheet

7In Stock

$9.06

$6.92

$6.38

$5.81

View

Min.: 1
Mult.: 1

Real Time Clock I C Serial Real-Time Clock

DS1339U-2+
Analog Devices / Maxim Integrated
1: $9.21
89In Stock
400On Order

Mfr. Part No.
DS1339U-2+

Mouser Part No
700-DS1339U-2

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

89In Stock

400On Order

$9.21

$7.07

$6.36

$5.93

View

Min.: 1
Mult.: 1

Real Time Clock I C RTC with Trickle Charger

DS1340U-33+
Analog Devices / Maxim Integrated
1: $8.17
239In Stock

Mfr. Part No.
DS1340U-33+

Mouser Part No
700-DS1340U-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Datasheet

239In Stock

$8.17

$6.27

$5.90

$5.64

View

Min.: 1
Mult.: 1

Real Time Clock Low-Current I C RTCs for High-ESR Crystals

DS1341U+
Analog Devices / Maxim Integrated
1: $6.85
121In Stock

Mfr. Part No.
DS1341U+

Mouser Part No
700-DS1341U

Analog Devices / Maxim Integrated

Real Time Clock Low-Current I C RTCs for High-ESR Crystals

Datasheet

121In Stock

$6.85

$5.22

$4.76

$4.35

View

Min.: 1
Mult.: 1

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1343E-3+
Analog Devices / Maxim Integrated
1: $10.19
17In Stock

Mfr. Part No.
DS1343E-3+

Mouser Part No
700-DS1343E-3+

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Datasheet

17In Stock

$10.19

$7.86

$7.28

$6.62

View

Min.: 1
Mult.: 1

Real Time Clock Low-Current SPI/3-Wire RTCs

DS1344E-33+
Analog Devices / Maxim Integrated
1: $10.19
199In Stock

Mfr. Part No.
DS1344E-33+

Mouser Part No
700-DS1344E-33+

Analog Devices / Maxim Integrated

Real Time Clock Low-Current SPI/3-Wire RTCs

Datasheet

199In Stock

$10.19

$7.86

$6.87

$6.60

View

Min.: 1
Mult.: 1

Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID

DS1372U+
Analog Devices / Maxim Integrated
1: $6.95
173In Stock
750Expected 14/10/2026

Mfr. Part No.
DS1372U+

Mouser Part No
700-DS1372U

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit, Binary Counter Clock with 64-Bit ID

Datasheet

173In Stock

750Expected 14/10/2026

$6.95

$5.29

$4.87

$4.42

View

Min.: 1
Mult.: 1

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

DS1374U-3+
Analog Devices / Maxim Integrated
1: $8.17
93In Stock

Mfr. Part No.
DS1374U-3+

Mouser Part No
700-DS1374U-3

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

Datasheet

93In Stock

$8.17

$6.27

$5.77

$5.26

View

Min.: 1
Mult.: 1

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

DS1374U-33+
Analog Devices / Maxim Integrated
1: $8.21
337In Stock

Mfr. Part No.
DS1374U-33+

Mouser Part No
700-DS1374U-33

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output

Datasheet

337In Stock

$8.21

$6.27

$5.78

$5.28

View

Min.: 1
Mult.: 1

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1390U-18+
Analog Devices / Maxim Integrated
1: $7.59
82In Stock

Mfr. Part No.
DS1390U-18+

Mouser Part No
700-DS1390U-18

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

82In Stock

$7.59

$5.78

$5.26

$4.81

View

Min.: 1
Mult.: 1

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1391U-3+
Analog Devices / Maxim Integrated
1: $8.21
40In Stock

Mfr. Part No.
DS1391U-3+

Mouser Part No
700-DS1391U-3

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

40In Stock

$8.21

$6.27

$5.78

$5.26

View

Min.: 1
Mult.: 1

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1391U-33+
Analog Devices / Maxim Integrated
1: $8.17
329In Stock
350Expected 5/10/2026

Mfr. Part No.
DS1391U-33+

Mouser Part No
700-DS1391U-33

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

329In Stock

350Expected 5/10/2026

$8.17

$6.50

$5.51

$5.26

View

Min.: 1
Mult.: 1

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1392U-33+
Analog Devices / Maxim Integrated
1: $9.53
124In Stock

Mfr. Part No.
DS1392U-33+

Mouser Part No
700-DS1392U-33

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

124In Stock

$9.53

$7.32

$6.58

$6.15

View

Min.: 1
Mult.: 1

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

DS1393U-33+
Analog Devices / Maxim Integrated
1: $9.53
43In Stock

Mfr. Part No.
DS1393U-33+

Mouser Part No
700-DS1393U-33

Analog Devices / Maxim Integrated

Real Time Clock Low-Voltage SPI/3-Wire RTCs with Trickle

Datasheet

43In Stock

$9.53

$7.32

$6.58

$6.15

View

Min.: 1
Mult.: 1

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672S-3+
Analog Devices / Maxim Integrated
1: $7.19
130In Stock

Mfr. Part No.
DS1672S-3+

Mouser Part No
700-DS1672S-3

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

130In Stock

$7.19

$5.48

$5.06

$4.57

View

Min.: 1
Mult.: 1

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672U-33+
Analog Devices / Maxim Integrated
1: $7.29
208In Stock

Mfr. Part No.
DS1672U-33+

Mouser Part No
700-DS1672U-33

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

208In Stock

$7.29

$5.75

$4.88

$4.62

View

Min.: 1
Mult.: 1

Real Time Clock Portable System Controller

DS1673E-3+
Analog Devices / Maxim Integrated
1: $20.44
69In Stock

Mfr. Part No.
DS1673E-3+

Mouser Part No
700-DS1673E-3

Analog Devices / Maxim Integrated

Real Time Clock Portable System Controller

Datasheet

69In Stock

$20.44

$16.01

$14.91

$13.67

View

Min.: 1
Mult.: 1

Real Time Clock Portable System Controller

DS1673E-5+
Analog Devices / Maxim Integrated
1: $19.28
69In Stock

Mfr. Part No.
DS1673E-5+

Mouser Part No
700-DS1673E-5

Analog Devices / Maxim Integrated

Real Time Clock Portable System Controller

Datasheet

69In Stock

$19.28

$15.10

$13.27

$12.85

View

Min.: 1
Mult.: 1

Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL T&R

DS1683S+
Analog Devices / Maxim Integrated
1: $10.15
51In Stock
1,300Expected 7/10/2026

Mfr. Part No.
DS1683S+

Mouser Part No
700-DS1683S+

Analog Devices / Maxim Integrated

Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL T&R

Datasheet

51In Stock

1,300Expected 7/10/2026

$10.15

$7.81

$7.21

$6.56

Min.: 1
Mult.: 1
Max.: 100

Real Time Clock 1-Wire Time Chip With Interrupt

DS2417P+
Analog Devices / Maxim Integrated
1: $6.23
392In Stock

Mfr. Part No.
DS2417P+

Mouser Part No
700-DS2417P

Analog Devices / Maxim Integrated

Real Time Clock 1-Wire Time Chip With Interrupt

Datasheet

392In Stock

$6.23

$4.84

$4.46

$4.03

View

Min.: 1
Mult.: 1

Clock & Timer Development Tools 5ppm, I2C Real-Time Clock

DS3231MEVKIT#
Analog Devices / Maxim Integrated
1: $200.11
3In Stock

Mfr. Part No.
DS3231MEVKIT#

Mouser Part No
700-DS3231MEVKIT#

Analog Devices / Maxim Integrated

Clock & Timer Development Tools 5ppm, I2C Real-Time Clock

Datasheet

3In Stock

$200.11

Min.: 1
Mult.: 1

Real Time Clock 5ppm, I2C Real-Time Clock

DS3231MZ+TRL
Analog Devices / Maxim Integrated
1: $18.28
19In Stock
10,000Expected 21/1/2027

Mfr. Part No.
DS3231MZ+TRL

Mouser Part No
700-DS3231MZ+TRL

Analog Devices / Maxim Integrated

Real Time Clock 5ppm, I2C Real-Time Clock

Datasheet

19In Stock

10,000Expected 21/1/2027

Cut Tape

$18.28

$14.36

$12.85

$11.80

View

Reel

$10.32

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,500

: 2,500

Clock & Timer Development Tools Evaluation kit for +/-5ppm I2C Real-Time

DS3231MZEVKIT#
Analog Devices / Maxim Integrated
1: $198.27
3In Stock

Mfr. Part No.
DS3231MZEVKIT#

Mouser Part No
700-DS3231MZEVKIT#

Analog Devices / Maxim Integrated

Clock & Timer Development Tools Evaluation kit for +/-5ppm I2C Real-Time

3In Stock

$198.27

Min.: 1
Mult.: 1