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Part #

Real Time Clock 256K (32Kx8) 70ns

M48T35Y-70PC1
STMicroelectronics
1: Rp919.318
121In Stock
480Expected 22/09/2026

Mfr. Part No.
M48T35Y-70PC1

Mouser Part No
511-M48T35Y70PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

121In Stock

480Expected 22/09/2026

Rp919.318

Rp744.664

Rp700.634

Rp674.766

Rp645.045

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PCDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

M48T35Y

Through Hole

Tube

Real Time Clock 64K (8Kx8) 70ns

M48T58-70PC1
STMicroelectronics
1: Rp872.719
201In Stock

Mfr. Part No.
M48T58-70PC1

Mouser Part No
511-M48T5870PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 70ns

Datasheet

201In Stock

Rp872.719

Rp713.292

Rp673.482

Rp654.769

View

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 kB

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T58

Through Hole

Tube

Real Time Clock 64K (8Kx8) 70ns

M48T58Y-70PC1
STMicroelectronics
1: Rp689.993
259In Stock

Mfr. Part No.
M48T58Y-70PC1

Mouser Part No
511-M48T58Y70PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 70ns

Datasheet

259In Stock

Rp689.993

Rp556.618

Rp522.494

Rp498.828

View

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

M48T58Y

Through Hole

Tube

Real Time Clock 256k NV SRAM with Phantom Clock

DS1244Y-70+
Analog Devices / Maxim Integrated
1: Rp980.777
134In Stock

Mfr. Part No.
DS1244Y-70+

Mouser Part No
700-DS1244Y-70

Analog Devices / Maxim Integrated

Real Time Clock 256k NV SRAM with Phantom Clock

Datasheet

134In Stock

Rp980.777

Min.: 1
Mult.: 1
Max.: 10

Parallel

YY-MM-DD-dd

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

32 kB

EDIP-28

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1244Y

Through Hole

Tube

Real Time Clock 1024k NV SRAM with Phantom Clock

DS1248Y-70+
Analog Devices / Maxim Integrated
1: Rp1.275.781
150In Stock

Mfr. Part No.
DS1248Y-70+

Mouser Part No
700-DS1248Y-70

Analog Devices / Maxim Integrated

Real Time Clock 1024k NV SRAM with Phantom Clock

Datasheet

150In Stock

Rp1.275.781

Rp1.111.584

Min.: 1
Mult.: 1
Max.: 20

Parallel

YY-MM-DD-dd

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

128 kB

EDIP-32

Integrated Battery

4.5 V

5.5 V

0 C

+ 70 C

DS1248Y

Through Hole

Tube

Real Time Clock Real-Time Clocks

DS12887A+
Analog Devices / Maxim Integrated
1: Rp354.995
447In Stock

Mfr. Part No.
DS12887A+

Mouser Part No
700-DS12887A

Analog Devices / Maxim Integrated

Real Time Clock Real-Time Clocks

Datasheet

447In Stock

Rp354.995

Rp282.528

Rp262.898

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

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

0 C

+ 70 C

DS12887A

Through Hole

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302+
Analog Devices / Maxim Integrated
1: Rp121.451
846In Stock

Mfr. Part No.
DS1302+

Mouser Part No
700-DS1302

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

846In Stock

Rp121.451

Rp91.913

Rp83.658

Rp78.704

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

Serial 3-Wire

YY-MM-DD-dd

HH:MM:SS (24 hr)

31 B

PDIP-8

Backup Switching

2 V

5.5 V

0 C

+ 70 C

DS1302

Through Hole

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302SN+
Analog Devices / Maxim Integrated
1: Rp127.688
564In Stock

Mfr. Part No.
DS1302SN+

Mouser Part No
700-DS1302SN

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

564In Stock

Rp127.688

Rp98.151

Rp85.309

Rp81.273

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

+ 85 C

DS1302SN

SMD/SMT

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302Z+
Analog Devices / Maxim Integrated
1: Rp115.213
2.310In Stock

Mfr. Part No.
DS1302Z+

Mouser Part No
700-DS1302Z

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

2.310In Stock

Rp115.213

Rp88.795

Rp81.640

Rp74.301

Min.: 1
Mult.: 1
Max.: 250

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

+ 85 C

DS1302Z

SMD/SMT

Tube

Real Time Clock Trickle-Charge Timekeeping Chip

DS1302ZN+
Analog Devices / Maxim Integrated
1: Rp131.174
1.199In Stock

Mfr. Part No.
DS1302ZN+

Mouser Part No
700-DS1302ZN

Analog Devices / Maxim Integrated

Real Time Clock Trickle-Charge Timekeeping Chip

Learn More

Datasheet

1.199In Stock

Rp131.174

Rp100.903

Rp93.198

Rp84.759

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

+ 85 C

DS1302ZN

SMD/SMT

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1305E+
Analog Devices / Maxim Integrated
1: Rp186.395
267In Stock

Mfr. Part No.
DS1305E+

Mouser Part No
700-DS1305E

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

267In Stock

Rp186.395

Rp145.300

Rp127.138

Rp122.368

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

0 C

+ 70 C

DS1305E

SMD/SMT

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1305N+
Analog Devices / Maxim Integrated
1: Rp232.444
1.067In Stock

Mfr. Part No.
DS1305N+

Mouser Part No
700-DS1305N

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1.067In Stock

Rp232.444

Rp182.176

Rp169.517

Rp157.225

View

Min.: 1
Mult.: 1

Serial 3-Wire, SPI

YY-MM-DD

HH:MM:SS (24 hr)

96 B

DIP-16

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

DS1305N

Through Hole

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1306E+
Analog Devices / Maxim Integrated
1: Rp172.636
1.208In Stock

Mfr. Part No.
DS1306E+

Mouser Part No
700-DS1306E

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1.208In Stock

Rp172.636

Rp134.476

Rp117.047

Rp112.461

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

0 C

+ 70 C

DS1306E

SMD/SMT

Tube

Real Time Clock Serial Alarm Real-Time Clock

DS1306EN+
Analog Devices / Maxim Integrated
1: Rp186.028
1.067In Stock

Mfr. Part No.
DS1306EN+

Mouser Part No
700-DS1306EN

Analog Devices / Maxim Integrated

Real Time Clock Serial Alarm Real-Time Clock

Datasheet

1.067In Stock

Rp186.028

Rp144.933

Rp126.954

Rp122.184

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

DS1306EN

SMD/SMT

Tube

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

DS1307+
Analog Devices / Maxim Integrated
1: Rp120.900
1.197In Stock

Mfr. Part No.
DS1307+

Mouser Part No
700-DS1307

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

1.197In Stock

Rp120.900

Rp94.665

Rp86.043

Rp80.722

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

I2C

YY-MM-DD

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

56 B

PDIP-8

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

DS1307

Through Hole

Tube

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

DS1307ZN+
Analog Devices / Maxim Integrated
1: Rp127.688
912In Stock

Mfr. Part No.
DS1307ZN+

Mouser Part No
700-DS1307ZN

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

912In Stock

Rp127.688

Rp98.151

Rp90.813

Rp82.374

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

I2C

YY-MM-DD

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

56 B

SOIC-8

Backup Switching

4.5 V

5.5 V

- 40 C

+ 85 C

DS1307ZN

SMD/SMT

Tube

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

DS1308U-33+
Analog Devices / Maxim Integrated
1: Rp109.526
431In Stock

Mfr. Part No.
DS1308U-33+

Mouser Part No
700-DS1308U-33+

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

431In Stock

Rp109.526

Rp83.474

Rp75.769

Rp69.715

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

56 B

uSOP-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1308U

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1337S+
Analog Devices / Maxim Integrated
1: Rp94.298
1.262In Stock

Mfr. Part No.
DS1337S+

Mouser Part No
700-DS1337S

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

1.262In Stock

Rp94.298

Rp73.384

Rp67.697

Rp61.092

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

I2C

YY-MM-DD-dd

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

SO-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1337S

SMD/SMT

Tube

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

DS1338C-33#
Analog Devices / Maxim Integrated
1: Rp202.356
1.026In Stock

Mfr. Part No.
DS1338C-33#

Mouser Part No
700-DS1338C-33#

Analog Devices / Maxim Integrated

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

Datasheet

1.026In Stock

Rp202.356

Rp158.143

Rp142.548

Rp133.742

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

SO-16

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

DS1338C

SMD/SMT

Tube

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

DS1338Z-18+
Analog Devices / Maxim Integrated
1: Rp126.587
3.000In Stock

Mfr. Part No.
DS1338Z-18+

Mouser Part No
700-DS1338Z-18

Analog Devices / Maxim Integrated

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

Datasheet

3.000In Stock

Rp126.587

Rp97.050

Rp89.712

Rp81.456

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

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

56 B

SOIC-8

Backup Switching

1.71 V

5.5 V

- 40 C

+ 85 C

DS1338Z

SMD/SMT

Tube

Real Time Clock I C Serial Real-Time Clock

DS1339C-33#
Analog Devices / Maxim Integrated
1: Rp225.105
514In 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

514In Stock

Rp225.105

Rp176.672

Rp159.610

Rp147.135

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 I C Serial Real-Time Clock

DS1339U-33+
Analog Devices / Maxim Integrated
1: Rp139.246
790In Stock
1.000Expected 14/08/2026

Mfr. Part No.
DS1339U-33+

Mouser Part No
700-DS1339U-33

Analog Devices / Maxim Integrated

Real Time Clock I C Serial Real-Time Clock

Learn More

Datasheet

790In Stock

1.000Expected 14/08/2026

Rp139.246

Rp107.508

Rp95.399

Rp90.629

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

Serial 2-Wire, I2C

YY-MM-DD-dd

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

uSOP-8

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1339U

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-3+
Analog Devices / Maxim Integrated
1: Rp128.605
1.197In Stock

Mfr. Part No.
DS1340Z-3+

Mouser Part No
700-DS1340Z-3

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

1.197In Stock

Rp128.605

Rp98.701

Rp91.363

Rp82.924

View

Min.: 1
Mult.: 1

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-8

Backup Switching

2.7 V

3.3 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Tube

Real Time Clock I C RTC with Trickle Charger

DS1340Z-33+
Analog Devices / Maxim Integrated
1: Rp128.605
2.409In Stock

Mfr. Part No.
DS1340Z-33+

Mouser Part No
700-DS1340Z-33

Analog Devices / Maxim Integrated

Real Time Clock I C RTC with Trickle Charger

Learn More

Datasheet

2.409In Stock

Rp128.605

Rp98.701

Rp91.363

Rp82.924

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

SO-8

Backup Switching

2.97 V

5.5 V

- 40 C

+ 85 C

DS1340Z

SMD/SMT

Tube

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

DS1342U+
Analog Devices / Maxim Integrated
1: Rp94.482
1.088In Stock

Mfr. Part No.
DS1342U+

Mouser Part No
700-DS1342U

Analog Devices / Maxim Integrated

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

Learn More

Datasheet

1.088In Stock

Rp94.482

Rp72.100

Rp64.394

Rp61.826

View

Min.: 1
Mult.: 1

I2C

YY-MM-DD-dd

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

uSOP-8

No Backup Switching

1.8 V

5.5 V

- 40 C

+ 85 C

DS1342U

SMD/SMT

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
DP8570A
DP8573A
DS1243Y
DS1244W
DS1244Y
DS1248Y
DS1251W
DS1251Y
DS12885
DS12885N
DS12885S