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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 SERIAL RTC 1.8-3.3V HESR USOP TRL

DS1339BU+
Analog Devices / Maxim Integrated
1: $6.66
25In Stock

Mfr. Part #
DS1339BU+

Mouser Part #
700-DS1339BU+

Analog Devices / Maxim Integrated

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

Datasheet

25In Stock

$6.66

Min.: 1
Mult.: 1
Max.: 7

Real Time Clock I C Serial Real-Time Clock

DS1339C-33#T&R
Analog Devices / Maxim Integrated
1: $10.77
Lead-Time 23 Weeks

Mfr. Part #
DS1339C-33#T&R

Mouser Part #
700-DS1339C-33#T&R-

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

Lead-Time 23 Weeks

Cut Tape

$10.77

$8.41

$7.82

Reel

$7.82

MouseReel Available

Min.: 1
Mult.: 1
Max.: 50

: 1,000

Real Time Clock I C Serial Real-Time Clock

DS1339U-2+
Analog Devices / Maxim Integrated
1: $6.66
89In Stock
400On Order

Mfr. Part #
DS1339U-2+

Mouser Part #
700-DS1339U-2

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

89In Stock

400On Order

$6.66

$5.11

$4.68

$4.28

$4.08

Min.: 1
Mult.: 1
Max.: 489

Real Time Clock I C RTC with Trickle Charger

DS1340U-33+
Analog Devices / Maxim Integrated
1: $6.01
239In Stock

Mfr. Part #
DS1340U-33+

Mouser Part #
700-DS1340U-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Datasheet

239In Stock

$6.01

$4.61

$4.34

$4.15

Min.: 1
Mult.: 1
Max.: 239

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

DS1341U+
Analog Devices / Maxim Integrated
1: $4.65
121In Stock

Mfr. Part #
DS1341U+

Mouser Part #
700-DS1341U

Analog Devices / Maxim Integrated

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

Datasheet

121In Stock

$4.65

$3.52

$3.08

$2.92

Min.: 1
Mult.: 1
Max.: 121

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

DS1343E-3+
Analog Devices / Maxim Integrated
1: $7.72
17In Stock

Mfr. Part #
DS1343E-3+

Mouser Part #
700-DS1343E-3+

Analog Devices / Maxim Integrated

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

Datasheet

17In Stock

$7.72

$5.95

Min.: 1
Mult.: 1
Max.: 17

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

DS1344E-33+
Analog Devices / Maxim Integrated
1: $7.55
199In Stock

Mfr. Part #
DS1344E-33+

Mouser Part #
700-DS1344E-33+

Analog Devices / Maxim Integrated

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

Datasheet

199In Stock

$7.55

$5.82

$5.05

$4.85

Min.: 1
Mult.: 1
Max.: 199

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

DS1372U+
Analog Devices / Maxim Integrated
1: $5.11
173In Stock
750Expected 10/14/2026

Mfr. Part #
DS1372U+

Mouser Part #
700-DS1372U

Analog Devices / Maxim Integrated

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

Datasheet

173In Stock

750Expected 10/14/2026

$5.11

$3.89

$3.58

$3.25

View

Min.: 1
Mult.: 1
Max.: 923

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

DS1374U-18+
Analog Devices / Maxim Integrated
1: $7.67
300In Stock

Mfr. Part #
DS1374U-18+

Mouser Part #
700-DS1374U-18

Analog Devices / Maxim Integrated

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

Datasheet

300In Stock

$7.67

$5.91

$5.48

$4.99

$4.62

Min.: 1
Mult.: 1
Max.: 300

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 #
DS1374U-3+

Mouser Part #
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

$4.61

$4.24

Min.: 1
Mult.: 1
Max.: 93

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: $6.19
337In Stock

Mfr. Part #
DS1374U-33+

Mouser Part #
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

$6.19

$4.75

$4.36

$3.98

$3.88

Min.: 1
Mult.: 1
Max.: 350

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

DS1390U-18+
Analog Devices / Maxim Integrated
1: $5.58
82In Stock

Mfr. Part #
DS1390U-18+

Mouser Part #
700-DS1390U-18

Analog Devices / Maxim Integrated

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

Datasheet

82In Stock

$5.58

$4.25

$3.87

Min.: 1
Mult.: 1
Max.: 82

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

DS1391U-3+
Analog Devices / Maxim Integrated
1: $6.04
40In Stock

Mfr. Part #
DS1391U-3+

Mouser Part #
700-DS1391U-3

Analog Devices / Maxim Integrated

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

Datasheet

40In Stock

$6.04

$4.61

Min.: 1
Mult.: 1
Max.: 40

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

DS1391U-33+
Analog Devices / Maxim Integrated
1: $6.01
329In Stock
850Expected 10/5/2026

Mfr. Part #
DS1391U-33+

Mouser Part #
700-DS1391U-33

Analog Devices / Maxim Integrated

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

Datasheet

329In Stock

850Expected 10/5/2026

$6.01

$4.78

$4.05

$3.87

View

Min.: 1
Mult.: 1
Max.: 1,179

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

DS1392U-33+
Analog Devices / Maxim Integrated
1: $7.01
124In Stock

Mfr. Part #
DS1392U-33+

Mouser Part #
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

Min.: 1
Mult.: 1
Max.: 124

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

DS1393U-33+
Analog Devices / Maxim Integrated
1: $7.01
43In Stock

Mfr. Part #
DS1393U-33+

Mouser Part #
700-DS1393U-33

Analog Devices / Maxim Integrated

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

Datasheet

43In Stock

$7.01

$5.38

Min.: 1
Mult.: 1
Max.: 43

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672S-3+
Analog Devices / Maxim Integrated
1: $5.29
130In Stock

Mfr. Part #
DS1672S-3+

Mouser Part #
700-DS1672S-3

Analog Devices / Maxim Integrated

Real Time Clock I C 32-Bit Binary Counter RTC

Datasheet

130In Stock

$5.29

$4.03

$3.72

$3.36

Min.: 1
Mult.: 1
Max.: 130

Real Time Clock I C 32-Bit Binary Counter RTC

DS1672U-33+
Analog Devices / Maxim Integrated
1: $5.36
208In Stock

Mfr. Part #
DS1672U-33+

Mouser Part #
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

Min.: 1
Mult.: 1
Max.: 208

Real Time Clock Portable System Controller

DS1673E-3+
Analog Devices / Maxim Integrated
1: $14.96
69In Stock

Mfr. Part #
DS1673E-3+

Mouser Part #
700-DS1673E-3

Analog Devices / Maxim Integrated

Real Time Clock Portable System Controller

Datasheet

69In Stock

$14.96

$11.79

$10.32

Min.: 1
Mult.: 1
Max.: 69

Real Time Clock Portable System Controller

DS1673E-5+
Analog Devices / Maxim Integrated
1: $14.18
9In Stock

Mfr. Part #
DS1673E-5+

Mouser Part #
700-DS1673E-5

Analog Devices / Maxim Integrated

Real Time Clock Portable System Controller

Datasheet

9In Stock

$14.18

Min.: 1
Mult.: 1
Max.: 9

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

DS1683S+
Analog Devices / Maxim Integrated
1: $7.18
21In Stock
1,300Expected 10/12/2026

Mfr. Part #
DS1683S+

Mouser Part #
700-DS1683S+

Analog Devices / Maxim Integrated

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

Datasheet

21In Stock

1,300Expected 10/12/2026

$7.18

$5.49

$5.07

$4.61

View

Min.: 1
Mult.: 1
Max.: 1,321

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

DS1683S+T&R
Analog Devices / Maxim Integrated
1: $6.99
179In Stock
7,500Expected 10/15/2026

Mfr. Part #
DS1683S+T&R

Mouser Part #
700-DS1683S+T&R

Analog Devices / Maxim Integrated

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

Datasheet

179In Stock

7,500Expected 10/15/2026

Cut Tape

$6.99

$5.66

$5.23

$4.75

View

Reel

$4.28

MouseReel Available

Min.: 1
Mult.: 1
Max.: 7,956

: 2,500

Real Time Clock 1-Wire Time Chip With Interrupt

DS2417P+
Analog Devices / Maxim Integrated
1: $4.58
392In Stock

Mfr. Part #
DS2417P+

Mouser Part #
700-DS2417P

Analog Devices / Maxim Integrated

Real Time Clock 1-Wire Time Chip With Interrupt

Datasheet

392In Stock

$4.58

$3.56

$3.31

$3.02

$2.87

Min.: 1
Mult.: 1
Max.: 392

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

DS3231MEVKIT#
Analog Devices / Maxim Integrated
1: $147.14
3In Stock

Mfr. Part #
DS3231MEVKIT#

Mouser Part #
700-DS3231MEVKIT#

Analog Devices / Maxim Integrated

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

Datasheet

3In Stock

$147.14

Min.: 1
Mult.: 1
Max.: 3

Other Modules MAX3231MZ Peripheral Module

DS3231MPMB1#
Analog Devices / Maxim Integrated
1: $32.65
9In Stock

Mfr. Part #
DS3231MPMB1#

Mouser Part #
700-DS3231MPMB1#

Analog Devices / Maxim Integrated

Other Modules MAX3231MZ Peripheral Module

Datasheet

9In Stock

$32.65

Min.: 1
Mult.: 1
Max.: 9