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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-3+
Analog Devices / Maxim Integrated
1: $6.01
269In Stock

Mfr. Part No.
DS1338U-3+

Mouser Part No
700-DS1338U-3

Analog Devices / Maxim Integrated

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

Datasheet

269In Stock

$6.01

$4.78

$4.05

$3.87

View

Min.: 1
Mult.: 1

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

DS1338U-33+
Analog Devices / Maxim Integrated
1: $6.01
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

$6.01

$5.01

$4.26

$3.88

View

Min.: 1
Mult.: 1

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

DS1339AU+
Analog Devices / Maxim Integrated
1: $6.00
314In 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

314In Stock

$6.00

$4.52

$4.11

$3.84

View

Min.: 1
Mult.: 1

Real Time Clock SERIAL RTC 1.8-3.3V HESR USOP

DS1339BU+
Analog Devices / Maxim Integrated
1: $6.76
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

Datasheet

7In Stock

$6.76

$5.19

$4.66

$4.35

View

Min.: 1
Mult.: 1

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

DS1339BU+T
Analog Devices / Maxim Integrated
1: $6.76
2In Stock
6,000Expected 2026/10/29

Mfr. Part No.
DS1339BU+T

Mouser Part No
700-DS1339BU+T

Analog Devices / Maxim Integrated

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

Datasheet

2In Stock

6,000Expected 2026/10/29

Cut Tape

$6.76

$5.19

$4.79

$4.36

View

Reel

$3.86

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Real Time Clock I C Serial Real-Time Clock

DS1339U-2+
Analog Devices / Maxim Integrated
1: $7.61
89In Stock
150Expected 2026/08/24

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

150Expected 2026/08/24

$7.61

$5.87

$5.22

$4.76

View

Min.: 1
Mult.: 1

Real Time Clock I C RTC with Trickle Charger

DS1340U-33+
Analog Devices / Maxim Integrated
1: $6.01
159In Stock
100Expected 2026/08/14

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

159In Stock

100Expected 2026/08/14

$6.01

$4.78

$4.05

$3.88

View

Min.: 1
Mult.: 1

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

DS1341U+
Analog Devices / Maxim Integrated
1: $5.04
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

$5.04

$3.84

$3.50

$3.20

View

Min.: 1
Mult.: 1

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

DS1343E-3+
Analog Devices / Maxim Integrated
1: $7.49
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

$7.49

$5.78

$5.35

$4.87

View

Min.: 1
Mult.: 1

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

DS1344E-33+
Analog Devices / Maxim Integrated
1: $7.49
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

$7.49

$5.78

$5.35

$4.87

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: $6.01
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

$6.01

$4.78

$4.05

$3.87

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: $6.01
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

$6.01

$4.78

$4.05

$3.88

View

Min.: 1
Mult.: 1

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

DS1390U-18+
Analog Devices / Maxim Integrated
1: $5.58
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

$5.58

$4.52

$3.84

$3.54

View

Min.: 1
Mult.: 1

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

DS1391U-3+
Analog Devices / Maxim Integrated
1: $6.01
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

$6.01

$4.78

$4.05

$3.87

View

Min.: 1
Mult.: 1

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

DS1392U-33+
Analog Devices / Maxim Integrated
1: $7.01
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

$7.01

$5.38

$4.84

$4.52

View

Min.: 1
Mult.: 1

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

DS1393U-33+
Analog Devices / Maxim Integrated
1: $7.01
53In 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

53In Stock

$7.01

$5.38

$4.84

$4.52

View

Min.: 1
Mult.: 1

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672S-3+
Analog Devices / Maxim Integrated
1: $5.68
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

$5.68

$4.33

$3.99

$3.61

View

Min.: 1
Mult.: 1

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672U-33+
Analog Devices / Maxim Integrated
1: $5.36
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

$5.36

$4.23

$3.59

$3.40

View

Min.: 1
Mult.: 1

Real Time Clock Portable System Controller

DS1673E-3+
Analog Devices / Maxim Integrated
1: $15.04
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

$15.04

$11.77

$10.97

$10.05

View

Min.: 1
Mult.: 1

Real Time Clock Portable System Controller

DS1673E-5+
Analog Devices / Maxim Integrated
1: $14.18
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

$14.18

$11.11

$10.33

$9.49

View

Min.: 1
Mult.: 1

Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL

DS1683S+
Analog Devices / Maxim Integrated
1: $7.85
61In Stock
1,300Expected 2026/10/07

Mfr. Part No.
DS1683S+

Mouser Part No
700-DS1683S+

Analog Devices / Maxim Integrated

Real Time Clock TOTAL-ELAPSED-TIME RECORDER WITH AL

Datasheet

61In Stock

1,300Expected 2026/10/07

$7.85

$6.06

$5.61

$5.11

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

Real Time Clock 1-Wire Time Chip With Interrupt

DS2417P+
Analog Devices / Maxim Integrated
1: $4.78
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

$4.78

$3.62

$3.33

$2.97

View

Min.: 1
Mult.: 1

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

DS3231MEVKIT#
Analog Devices / Maxim Integrated
1: $147.17
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

$147.17

Min.: 1
Mult.: 1

Other Modules MAX3231MZ Peripheral Module

DS3231MPMB1#
Analog Devices / Maxim Integrated
1: $32.66
9In Stock

Mfr. Part No.
DS3231MPMB1#

Mouser Part No
700-DS3231MPMB1#

Analog Devices / Maxim Integrated

Other Modules MAX3231MZ Peripheral Module

Datasheet

9In Stock

$32.66

$32.65

View

Min.: 1
Mult.: 1

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

DS3231MZEVKIT#
Analog Devices / Maxim Integrated
1: $146.01
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

$146.01

Min.: 1
Mult.: 1