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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 Alarm Real-Time Clock

DS1306EN+T&R
Analog Devices / Maxim Integrated
1: $8.97
2,040In Stock

Mfr. Part #
DS1306EN+T&R

Mouser Part #
700-DS1306ENT&R

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,040In Stock

Cut Tape

$8.97

$6.95

$6.42

$5.87

View

Reel

$5.49

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,040

: 2,500

Real Time Clock Serial Alarm Real-Time Clock

DS1306E+T&R
Analog Devices / Maxim Integrated
1: $8.24
1,687In Stock

Mfr. Part #
DS1306E+T&R

Mouser Part #
700-DS1306ET&R

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1,687In Stock

Cut Tape

$8.24

$6.37

$5.90

$5.38

View

Reel

$4.97

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,787

: 2,500

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

DS1307+
Analog Devices / Maxim Integrated
1: $6.59
1,136In Stock

Mfr. Part #
DS1307+

Mouser Part #
700-DS1307

Analog Devices / Maxim Integrated

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

Learn More

Datasheet

1,136In Stock

$6.59

$5.05

$4.67

$4.25

View

Min.: 1
Mult.: 1
Max.: 1,136

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

DS1307ZN+
Analog Devices / Maxim Integrated
1: $5.92
899In Stock

Mfr. Part #
DS1307ZN+

Mouser Part #
700-DS1307ZN

Analog Devices / Maxim Integrated

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

Learn More

Datasheet

899In Stock

$5.92

$4.51

$4.49

$3.81

Min.: 1
Mult.: 1
Max.: 912

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

DS1307ZN+T&R
Analog Devices / Maxim Integrated
1: $5.92
3,683In Stock

Mfr. Part #
DS1307ZN+T&R

Mouser Part #
700-DS1307ZNT&R

Analog Devices / Maxim Integrated

Real Time Clock 64 x 8, Serial, I C Real-Time Clock

Learn More

Datasheet

3,683In Stock

Cut Tape

$5.92

$4.51

$4.16

$3.77

View

Reel

$3.39

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,757

: 2,500

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

DS1308U-18+T
Analog Devices / Maxim Integrated
1: $5.84
489In Stock

Mfr. Part #
DS1308U-18+T

Mouser Part #
700-DS1308U-18+T

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

489In Stock

Cut Tape

$5.84

$4.46

$4.11

$3.73

$3.55

Reel

$3.55

MouseReel Available

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

: 3,000

Real Time Clock I C Serial Real-Time Clock

DS1337S+
Analog Devices / Maxim Integrated
1: $4.49
1,262In Stock

Mfr. Part #
DS1337S+

Mouser Part #
700-DS1337S

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

1,262In Stock

$4.49

$3.60

$3.31

$2.98

View

Min.: 1
Mult.: 1
Max.: 1,262

Real Time Clock I C Serial Real-Time Clock

DS1337S+T&R
Analog Devices / Maxim Integrated
1: $4.75
4,994In Stock

Mfr. Part #
DS1337S+T&R

Mouser Part #
700-DS1337ST&R

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

4,994In Stock

Cut Tape

$4.75

$3.60

$3.31

$2.99

View

Reel

$2.58

MouseReel Available

Min.: 1
Mult.: 1
Max.: 4,257

: 2,500

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

DS1338C-33#T&R
Analog Devices / Maxim Integrated
1: $10.58
490In Stock
1,000Expected 9/9/2026

Mfr. Part #
DS1338C-33#T&R

Mouser Part #
700-DS1338C-33#T&R-

Analog Devices / Maxim Integrated

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

Datasheet

490In Stock

1,000Expected 9/9/2026

Cut Tape

$10.58

$8.26

$7.68

$7.05

View

Reel

$6.31

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,395

: 1,000

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

DS1338U-33+T&R
Analog Devices / Maxim Integrated
1: $6.15
3,852In Stock

Mfr. Part #
DS1338U-33+T&R

Mouser Part #
700-DS1338U-33T&R

Analog Devices / Maxim Integrated

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

Datasheet

3,852In Stock

Cut Tape

$6.15

$4.71

$4.36

$3.96

View

Reel

$3.51

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,867

: 3,000

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

DS1338Z-18+
Analog Devices / Maxim Integrated
1: $6.15
3,000In Stock

Mfr. Part #
DS1338Z-18+

Mouser Part #
700-DS1338Z-18

Analog Devices / Maxim Integrated

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

Datasheet

3,000In Stock

$6.15

$4.71

$4.36

$3.95

View

Min.: 1
Mult.: 1
Max.: 3,000

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

DS1338Z-33+T&R
Analog Devices / Maxim Integrated
1: $6.15
3,179In Stock

Mfr. Part #
DS1338Z-33+T&R

Mouser Part #
700-DS1338Z-33T&R

Analog Devices / Maxim Integrated

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

Datasheet

3,179In Stock

Cut Tape

$6.15

$4.71

$4.36

$3.96

View

Reel

$3.52

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,214

: 2,500

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

DS1339AU+T
Analog Devices / Maxim Integrated
1: $6.00
3,019In Stock

Mfr. Part #
DS1339AU+T

Mouser Part #
700-DS1339AU+T

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

3,019In Stock

Cut Tape

$6.00

$4.59

$4.23

$3.84

View

Reel

$3.55

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,590

: 3,000

Real Time Clock I C Serial Real-Time Clock

DS1339U-33+
Analog Devices / Maxim Integrated
1: $6.40
990In Stock

Mfr. Part #
DS1339U-33+

Mouser Part #
700-DS1339U-33

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

990In Stock

$6.40

$5.33

$4.53

$4.14

Min.: 1
Mult.: 1
Max.: 1,572

Real Time Clock I C Serial Real-Time Clock

DS1339U-33+T&R
Analog Devices / Maxim Integrated
1: $6.70
2,560In Stock
6,000Expected 12/7/2026

Mfr. Part #
DS1339U-33+T&R

Mouser Part #
700-DS1339U-33T&R

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

2,560In Stock

6,000Expected 12/7/2026

Cut Tape

$6.70

$5.14

$4.75

$4.32

View

Reel

$3.83

MouseReel Available

Min.: 1
Mult.: 1
Max.: 7,151

: 3,000

Real Time Clock I C RTC with Trickle Charger

DS1340C-33#T&R
Analog Devices / Maxim Integrated
1: $10.74
1,223In Stock

Mfr. Part #
DS1340C-33#T&R

Mouser Part #
700-DS1340C-33#T&R-

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

1,223In Stock

Cut Tape

$10.74

$8.39

$7.80

$7.15

View

Reel

$6.44

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,223

: 1,000

Real Time Clock I C RTC with Trickle Charger

DS1340Z-3+
Analog Devices / Maxim Integrated
1: $6.26
1,187In Stock

Mfr. Part #
DS1340Z-3+

Mouser Part #
700-DS1340Z-3

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

1,187In Stock

$6.26

$4.80

$4.44

$4.03

View

Min.: 1
Mult.: 1
Max.: 1,187

Real Time Clock I C RTC with Trickle Charger

DS1340Z-33+
Analog Devices / Maxim Integrated
1: $6.01
2,339In Stock

Mfr. Part #
DS1340Z-33+

Mouser Part #
700-DS1340Z-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

2,339In Stock

$6.01

$4.61

$4.26

$3.88

$3.83

Min.: 1
Mult.: 1
Max.: 2,389

Real Time Clock I C RTC with Trickle Charger

DS1340Z-33+T&R
Analog Devices / Maxim Integrated
1: $6.15
2,068In Stock

Mfr. Part #
DS1340Z-33+T&R

Mouser Part #
700-DS1340Z-33T&R

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

2,068In Stock

Cut Tape

$6.15

$4.71

$4.36

$3.96

View

Reel

$3.68

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,068

: 2,500

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

DS1341U+T&R
Analog Devices / Maxim Integrated
1: $4.65
2,950In Stock

Mfr. Part #
DS1341U+T&R

Mouser Part #
700-DS1341U+T&R

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

2,950In Stock

Cut Tape

$4.65

$3.52

$3.24

$2.93

View

Reel

$2.65

MouseReel Available

Min.: 1
Mult.: 1
Max.: 2,950

: 3,000

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

DS1342U+
Analog Devices / Maxim Integrated
1: $4.65
1,088In Stock

Mfr. Part #
DS1342U+

Mouser Part #
700-DS1342U

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

1,088In Stock

$4.65

$3.52

$3.08

$3.00

View

Min.: 1
Mult.: 1
Max.: 1,088

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

DS1342U+T&R
Analog Devices / Maxim Integrated
1: $4.65
3,233In Stock

Mfr. Part #
DS1342U+T&R

Mouser Part #
700-DS1342U+T&R

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

3,233In Stock

Cut Tape

$4.65

$3.52

$3.24

$2.93

View

Reel

$2.52

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3,333

: 3,000

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

DS1344D-33+T&R
Analog Devices / Maxim Integrated
1: $7.55
954In Stock

Mfr. Part #
DS1344D-33+T&R

Mouser Part #
700-DS1344D-33+T&R

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

954In Stock

Cut Tape

$7.55

$5.82

$5.39

$4.92

View

Reel

$4.61

MouseReel Available

Min.: 1
Mult.: 1
Max.: 954

: 2,500

Real Time Clock Low-Current, SPI-Compatible Real-Time Cl

DS1347T+T&R
Analog Devices / Maxim Integrated
1: $5.29
1,921In Stock

Mfr. Part #
DS1347T+T&R

Mouser Part #
700-DS1347T+T&R

Analog Devices / Maxim Integrated

Real Time Clock Low-Current, SPI-Compatible Real-Time Cl

Learn More

Datasheet

1,921In Stock

Cut Tape

$5.29

$4.04

$3.72

$3.38

View

Reel

$3.11

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,921

: 2,500

Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock

DS1371U+T&R
Analog Devices / Maxim Integrated
1: $5.22
1,023In Stock

Mfr. Part #
DS1371U+T&R

Mouser Part #
700-DS1371UT&R

Analog Devices / Maxim Integrated

Real Time Clock I C, 32-Bit Binary Counter Watchdog Clock

Datasheet

1,023In Stock

Cut Tape

$5.22

$3.98

$3.67

$3.33

View

Reel

$3.07

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,023

: 3,000

Real Time Clocks (RTC)

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Real Time Clocks (RTC)

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