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Part #

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

MCP79401-I/SN
Microchip Technology
1: $1.04
14,015In Stock

Mfr. Part No.
MCP79401-I/SN

Mouser Part No
579-MCP79401ISN

Microchip Technology

Real Time Clock I2C GP RTCC 64B SRAM EUI-48

Learn More

Datasheet

14,015In Stock

$1.04

$0.961

$0.936

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

64 B

SOIC-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-18+
Analog Devices / Maxim Integrated
1: $7.59
5,903In Stock

Mfr. Part No.
DS1340Z-18+

Mouser Part No
700-DS1340Z-18

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

5,903In Stock

$7.59

$5.85

$5.31

$4.58

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-8

Backup Switching

1.71 V

1.89 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340C-3#
Analog Devices / Maxim Integrated
1: $10.97
13,385In Stock

Mfr. Part No.
DS1340C-3#

Mouser Part No
700-DS1340C-3#-

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

13,385In Stock

$10.97

$8.56

$7.76

$7.29

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-16

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1340C

SMD/SMT

Tube

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

DS1338Z-33+
Analog Devices / Maxim Integrated
1: $7.01
23,969In Stock

Mfr. Part No.
DS1338Z-33+

Mouser Part No
700-DS1338Z-33

Analog Devices / Maxim Integrated

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

Datasheet

23,969In Stock

$7.01

$5.40

$4.93

$4.54

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

56 B

SOIC-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1338Z

SMD/SMT

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1305EN+
Analog Devices / Maxim Integrated
1: $11.01
2,952In Stock

Mfr. Part No.
DS1305EN+

Mouser Part No
700-DS1305EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

2,952In Stock

$11.01

$8.59

$7.58

$7.30

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

TSSOP-20

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1305EN

SMD/SMT

Tube

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

DS3234SN#
Analog Devices / Maxim Integrated
1: $16.64
19,629In Stock

Mfr. Part No.
DS3234SN#

Mouser Part No
700-DS3234SN#

Analog Devices / Maxim Integrated

Real Time Clock Extremely Accurate SPI Bus RTC with Inte

Datasheet

19,629In Stock

$16.64

$13.04

$12.08

$11.14

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

256 B

SO-20

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS3234SN

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1339C-33#
Analog Devices / Maxim Integrated
1: $12.07
2,779In Stock

Mfr. Part No.
DS1339C-33#

Mouser Part No
700-DS1339C-33#

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Datasheet

2,779In Stock

$12.07

$9.47

$8.54

$8.02

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1339C

SMD/SMT

Tube

Real Time Clock 64K (8Kx8) 100ns

M48T18-100PC1
STMicroelectronics
1: $46.23
863In Stock

Mfr. Part No.
M48T18-100PC1

Mouser Part No
511-M48T1810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

863In Stock

$46.23

$37.79

$35.67

$34.68

$32.24

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T18

Through Hole

Tube

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

DS1374C-33#
Analog Devices / Maxim Integrated
1: $12.03
915In Stock

Mfr. Part No.
DS1374C-33#

Mouser Part No
700-DS1374C-33#

Analog Devices / Maxim Integrated

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

Datasheet

915In Stock

$12.03

$9.41

$8.51

$8.00

View

Min.: 1
Mult.: 1

I2C

Binary

3 B

SO-16

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1374C

SMD/SMT

Tube

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

MCP79522-I/MS
Microchip Technology
1: $1.48
2,716In Stock

Mfr. Part No.
MCP79522-I/MS

Mouser Part No
579-MCP79522-I/MS

Microchip Technology

Real Time Clock SPI GP RTCC 2Kb EE 64B SRAM EUI-64

Learn More

Datasheet

2,716In Stock

$1.48

$1.37

$1.35

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

64 B

MSOP-10

Backup Switching

1.8 V

3.6 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64

MCP795W22-I/ST
Microchip Technology
1: $1.98
5,160In Stock

Mfr. Part No.
MCP795W22-I/ST

Mouser Part No
579-MCP795W22-I/ST

Microchip Technology

Real Time Clock 2Kb EE 64B SRAM WD TED EUI-64

Learn More

Datasheet

5,160In Stock

$1.98

$1.84

$1.81

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

2 kB

TSSOP-14

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock RTCs with Constant-Voltage Trickle Charg

DS12CR887-5+
Analog Devices / Maxim Integrated
1: $20.68
395In Stock

Mfr. Part No.
DS12CR887-5+

Mouser Part No
700-DS12CR887-5+

Analog Devices / Maxim Integrated

Real Time Clock RTCs with Constant-Voltage Trickle Charg

Datasheet

395In Stock

$20.68

$16.22

$15.33

$14.26

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

114 B

EDIP-24

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS12CR887

Through Hole

Tube

Real Time Clock Phantom Time Chip

DS1315EN-33+
Analog Devices / Maxim Integrated
1: $38.98
80In Stock

Mfr. Part No.
DS1315EN-33+

Mouser Part No
700-DS1315EN-33

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

80In Stock

$38.98

$31.56

$28.39

$27.05

View

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

8 B

TSSOP-20

Backup Switching

3 V

3.6 V

- 40 C

+ 85 C

DS1315EN

SMD/SMT

Tube

Real Time Clock Phantom Time Chip

DS1315S-33+
Analog Devices / Maxim Integrated
1: $34.40
65In Stock

Mfr. Part No.
DS1315S-33+

Mouser Part No
700-DS1315S-33

Analog Devices / Maxim Integrated

Real Time Clock Phantom Time Chip

Datasheet

65In Stock

$34.40

$27.84

$25.74

$24.50

$23.54

Min.: 1
Mult.: 1

Phantom Clock

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

8 B

SO-16

Backup Switching

3 V

3.6 V

0 C

+ 70 C

DS1315S

SMD/SMT

Tube

Real Time Clock I C RTC/Supervisor with Trickle Charger

DS1388Z-3+
Analog Devices / Maxim Integrated
1: $8.65
325In Stock

Mfr. Part No.
DS1388Z-3+

Mouser Part No
700-DS1388Z-3

Analog Devices / Maxim Integrated

Real Time Clock I C RTC/Supervisor with Trickle Charger

Datasheet

325In Stock

$8.65

$6.71

$6.11

$5.64

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

512 B

SOIC-8

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1388Z

SMD/SMT

Tube

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

DS1390U-3+
Analog Devices / Maxim Integrated
1: $7.52
480In Stock

Mfr. Part No.
DS1390U-3+

Mouser Part No
700-DS1390U-3

Analog Devices / Maxim Integrated

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

Datasheet

480In Stock

$7.52

$5.80

$5.15

$4.90

View

Min.: 1
Mult.: 1

SPI

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

uSOP-10

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1390U

SMD/SMT

Tube

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

DS1394U-33+
Analog Devices / Maxim Integrated
1: $7.14
3,136In Stock

Mfr. Part No.
DS1394U-33+

Mouser Part No
700-DS1394U-33

Analog Devices / Maxim Integrated

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

Datasheet

3,136In Stock

$7.14

$5.44

$4.94

$4.59

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

uSOP-10

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1394U

SMD/SMT

Tube

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

DS1511Y+
Analog Devices / Maxim Integrated
1: $37.61
102In Stock

Mfr. Part No.
DS1511Y+

Mouser Part No
700-DS1511Y

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant Watchdog Real-Time Clocks

Datasheet

102In Stock

$37.61

$30.40

$26.71

$26.27

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 B

EDIP-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1511Y

Through Hole

Tube

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

DS1556W-120+
Analog Devices / Maxim Integrated
1: $63.60
39In Stock

Mfr. Part No.
DS1556W-120+

Mouser Part No
700-DS1556W-120

Analog Devices / Maxim Integrated

Real Time Clock 1M, Nonvolatile, Y2K-Compliant Timekeepi

Datasheet

39In Stock

$63.60

$56.02

$53.06

$50.52

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

128 kB

Integrated Battery

2.97 V

3.63 V

0 C

+ 70 C

DS1556W

Through Hole

Tube

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

DS1744-70IND+
Analog Devices / Maxim Integrated
1: $66.65
33In Stock

Mfr. Part No.
DS1744-70IND+

Mouser Part No
700-DS1744-70IND

Analog Devices / Maxim Integrated

Real Time Clock Y2K-Compliant, Nonvolatile Timekeeping R

Datasheet

33In Stock

$66.65

$55.98

$52.92

$50.52

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

- 40 C

+ 85 C

DS1744

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clocks

DS17887-5+
Analog Devices / Maxim Integrated
1: $39.10
74In Stock

Mfr. Part No.
DS17887-5+

Mouser Part No
700-DS17887-5

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clocks

Datasheet

74In Stock

$39.10

$32.38

$30.92

$29.03

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

8 kB

EDIP-24

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS17887

Through Hole

Tube

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

MCP79412-I/MS
Microchip Technology
1: $1.17
3,970In Stock

Mfr. Part No.
MCP79412-I/MS

Mouser Part No
579-MCP79412IMS

Microchip Technology

Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-64

Learn More

Datasheet

3,970In Stock

$1.17

$1.08

$1.07

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

64 B

MSOP-8

Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

SMD/SMT

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302S+
Analog Devices / Maxim Integrated
1: $6.45
546In Stock

Mfr. Part No.
DS1302S+

Mouser Part No
700-DS1302S

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

546In Stock

$6.45

$5.04

$4.73

$4.18

View

Min.: 1
Mult.: 1

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 70 C

DS1302S

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1337+
Analog Devices / Maxim Integrated
1: $5.29
2,638In Stock

Mfr. Part No.
DS1337+

Mouser Part No
700-DS1337

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

2,638In Stock

$5.29

$4.02

$3.65

$3.17

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

DIP-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337

Through Hole

Tube

Real Time Clock 3V/5V Real-Time Clock

DS1687-3+
Analog Devices / Maxim Integrated
1: $27.80
81In Stock

Mfr. Part No.
DS1687-3+

Mouser Part No
700-DS1687-3

Analog Devices / Maxim Integrated

Real Time Clock 3V/5V Real-Time Clock

Datasheet

81In Stock

$27.80

$21.83

$20.85

$19.33

View

Min.: 1
Mult.: 1

Multiplexed

YY-MM-DD-dd

HH:MM:SS:hh (12 hr, 24 hr)

242 B

EDIP-24

Integrated Battery

2.7 V

3.7 V

0 C

+ 70 C

DS1687

Through Hole

Tube

Tube Real Time Clock

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2 B
3 B
4 B
7 B
8 B
10 B
12 B
16 B
31 B
32 B
56 B
64 B
96 B
113 B
114 B
128 B
236 B
242 B
256 B
512 B

DFN-20
DIP-16
DIP-8
EDIP-24
EDIP-28
EDIP-32
MSOP-10
MSOP-8
PCDIP-24
PCDIP-28
PDIP-16
PDIP-24
PDIP-28
PDIP-8
PLCC-28
SO-16
SO-20
SO-24
SO-28
SO-8

1338
1339
1337AGD
BQ32000
BQ32002
BQ3285
BQ3285E
BQ4802LY
BQ4802Y
CDP68HC68T1
DP8570A
DP8573A
DS1243Y
DS1244W
DS1244Y
DS1248Y
DS1251W
DS1251Y
DS12885
DS12885N