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Real Time Clock

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Part #

Real Time Clock 256K (32Kx8) 70ns

M48T35-70PC1
STMicroelectronics
1: Rp1.000.774
395In Stock

Mfr. Part No.
M48T35-70PC1

Mouser Part No
511-M48T3570PC1

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

395In Stock

Rp1.000.774

Rp817.865

Rp772.000

Rp750.718

Rp697.698

Min.: 1
Mult.: 1

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

32 kB

PCDIP-28

Integrated Battery

4.75 V

5.5 V

0 C

+ 70 C

M48T35

Through Hole

Tube

Real Time Clock Low-Pwr serial RTC W/ battry switchover

M41T01M6F
STMicroelectronics
1: Rp68.247
2.760In Stock

Mfr. Part No.
M41T01M6F

Mouser Part No
511-M41T01M6F

STMicroelectronics

Real Time Clock Low-Pwr serial RTC W/ battry switchover

Learn More

Datasheet

2.760In Stock

Cut Tape

Rp68.247

Rp51.369

Rp46.232

Rp42.563

View

Reel

Rp35.775

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T01

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 64 (8X8)

M41T0M6F
STMicroelectronics
1: Rp86.226
8.219In Stock
7.500Expected 01/08/2026

Mfr. Part No.
M41T0M6F

Mouser Part No
511-M41T0M6F

STMicroelectronics

Real Time Clock Serial 64 (8X8)

Datasheet

8.219In Stock

7.500Expected 01/08/2026

Cut Tape

Rp86.226

Rp64.945

Rp59.625

Rp53.937

View

Reel

Rp46.599

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial 2-Wire, I2C

YY-MM-DD-dd

HH:MM:SS (24 hr)

8 B

SOIC-8

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T0

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82ZM6F
STMicroelectronics
1: Rp65.679
10.775In Stock

Mfr. Part No.
M41T82ZM6F

Mouser Part No
511-M41T82ZM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

10.775In Stock

Cut Tape

Rp65.679

Rp48.984

Rp44.764

Rp40.178

Reel

Rp34.124

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial

YY-MM-DD-dd

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

32 B

SOIC-8

Backup Switching

2.38 V

5.5 V

- 40 C

+ 85 C

M41T82

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial SPI bus RTC

M41T93RMY6F
STMicroelectronics
1: Rp193.917
8.158In Stock

Mfr. Part No.
M41T93RMY6F

Mouser Part No
511-M41T93RMY6F

STMicroelectronics

Real Time Clock Serial SPI bus RTC

Datasheet

8.158In Stock

Cut Tape

Rp193.917

Rp151.355

Rp140.714

Rp129.156

View

Reel

Rp117.414

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

SPI

YY-MM-DD-dd

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

32 B

SOX-18

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T93

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 100ns

M48T08-100PC1
STMicroelectronics
1: Rp666.877
1.569In Stock

Mfr. Part No.
M48T08-100PC1

Mouser Part No
511-M48T0810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1.569In Stock

Rp666.877

Rp539.923

Rp508.184

Rp487.086

Rp456.632

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

M48T08

Through Hole

Tube

Real Time Clock 64K (8Kx8) 100ns

M48T08Y-10MH1F
STMicroelectronics
1: Rp754.388
1.017In Stock

Mfr. Part No.
M48T08Y-10MH1F

Mouser Part No
511-M48T08Y-10MH1F

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

1.017In Stock

Cut Tape

Rp754.388

Rp610.738

Rp574.780

Rp551.114

Rp516.440

Reel

Rp516.440

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T08Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 64K (8Kx8) 100ns

M48T18-100PC1
STMicroelectronics
1: Rp847.952
863In Stock

Mfr. Part No.
M48T18-100PC1

Mouser Part No
511-M48T1810PC1

STMicroelectronics

Real Time Clock 64K (8Kx8) 100ns

Datasheet

863In Stock

Rp847.952

Rp693.112

Rp654.218

Rp636.056

Rp591.292

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 256K (32Kx8) 70ns

M48T35Y-70MH1F
STMicroelectronics
1: Rp441.772
1.323In Stock

Mfr. Part No.
M48T35Y-70MH1F

Mouser Part No
511-M48T35Y-70MH1F

STMicroelectronics

Real Time Clock 256K (32Kx8) 70ns

Datasheet

1.323In Stock

Cut Tape

Rp441.772

Rp353.161

Rp330.962

Rp306.745

View

Reel

Rp288.032

MouseReel Available

Min.: 1
Mult.: 1

: 936

Parallel

YY-MM-DD-dd

HH:MM:SS (24 hr)

256 kB

SOX-28

Backup Switching

4.5 V

5.5 V

0 C

+ 70 C

M48T35Y

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41ST85WMH6F
STMicroelectronics
1: Rp192.633
847In Stock

Mfr. Part No.
M41ST85WMH6F

Mouser Part No
511-M41ST85WMH6F

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

847In Stock

Cut Tape

Rp192.633

Rp149.887

Rp139.063

Rp127.321

Reel

Rp115.580

View

MouseReel Available

Min.: 1
Mult.: 1

: 936

Serial

YY-MM-DD-dd

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

64 B

SOH-28

Backup Switching

2.7 V

3.6 V

- 40 C

+ 85 C

M41ST85W

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41ST85WMX6TR
STMicroelectronics
1: Rp194.835
1.401In Stock

Mfr. Part No.
M41ST85WMX6TR

Mouser Part No
511-M41ST85WMX6TR

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

1.401In Stock

Cut Tape

Rp194.835

Rp152.088

Rp141.448

Rp129.706

View

Reel

Rp117.965

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Serial

YY-MM-DD-dd

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

64 B

SOX-28

Backup Switching

2.7 V

3.6 V

- 40 C

+ 85 C

M41ST85W

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 1280 (160x8)

M41ST87WMX6TR
STMicroelectronics
1: Rp197.770
2.122In Stock

Mfr. Part No.
M41ST87WMX6TR

Mouser Part No
511-M41ST87WMX6TR

STMicroelectronics

Real Time Clock Serial 1280 (160x8)

Datasheet

2.122In Stock

Cut Tape

Rp197.770

Rp154.290

Rp143.466

Rp131.541

View

Reel

Rp119.616

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Serial

YY-MM-DD-dd

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

160 B

SOX-28

Backup Switching

2.7 V

3.6 V

- 40 C

+ 85 C

M41ST87W

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc

M41ST87WSS6F
STMicroelectronics
1: Rp141.448
425In Stock

Mfr. Part No.
M41ST87WSS6F

Mouser Part No
511-M41ST87WSS6F

STMicroelectronics

Real Time Clock 128 NVRAM Serial RTC 3.0 to 3.6 Vcc

Datasheet

425In Stock

Cut Tape

Rp141.448

Rp108.975

Rp100.903

Rp92.097

Reel

Rp82.557

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.350

Serial 2-Wire, I2C

YY-MM-DD-dd

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

160 B

SSOP-20

Backup Switching

2.7 V

3.6 V

- 40 C

+ 85 C

M41ST87W

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 64 (8X8)

M41T00M6F
STMicroelectronics
1: Rp76.136
5.959In Stock

Mfr. Part No.
M41T00M6F

Mouser Part No
511-M41T00M6F

STMicroelectronics

Real Time Clock Serial 64 (8X8)

Datasheet

5.959In Stock

Cut Tape

Rp76.136

Rp57.423

Rp52.653

Rp47.516

View

Reel

Rp41.095

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial 2-Wire, I2C

YYYY-MM-DD

HH:MM:SS (24 hr)

8 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T00

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41T11M6F
STMicroelectronics
1: Rp66.779
3.477In Stock

Mfr. Part No.
M41T11M6F

Mouser Part No
511-M41T11M6F

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

3.477In Stock

Cut Tape

Rp66.779

Rp49.718

Rp45.498

Rp40.912

Reel

Rp34.674

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T11

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41T11MH6F
STMicroelectronics
1: Rp186.762
1.331In Stock

Mfr. Part No.
M41T11MH6F

Mouser Part No
511-M41T11MH6F

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

1.331In Stock

Cut Tape

Rp186.762

Rp145.300

Rp135.027

Rp123.469

Reel

Rp112.094

View

MouseReel Available

Min.: 1
Mult.: 1

: 936

Serial

YY-MM-DD-dd

HH:MM:SS (24 hr)

64 B

SOX-28

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T11

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 160 (20x8)

M41T80M6F
STMicroelectronics
1: Rp106.407
2.567In Stock

Mfr. Part No.
M41T80M6F

Mouser Part No
511-M41T80M6F

STMicroelectronics

Real Time Clock Serial 160 (20x8)

Datasheet

2.567In Stock

Cut Tape

Rp106.407

Rp81.089

Rp74.668

Rp67.697

View

Reel

Rp60.909

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial 2-Wire, I2C

YY-MM-DD-dd

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

20 B

SOIC-8

No Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T80

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial 512 (64x8)

M41T81M6F
STMicroelectronics
1: Rp54.671
9.767In Stock

Mfr. Part No.
M41T81M6F

Mouser Part No
511-M41T81M6F

STMicroelectronics

Real Time Clock Serial 512 (64x8)

Datasheet

9.767In Stock

Cut Tape

Rp54.671

Rp40.728

Rp37.242

Rp33.390

Reel

Rp28.436

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

I2C

YY-MM-DD-dd

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

20 B

SOIC-8

Backup Switching

2 V

5.5 V

- 40 C

+ 85 C

M41T81

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial Access Real Time Clock

M41T81SMY6F
STMicroelectronics
1: Rp182.176
1.045In Stock

Mfr. Part No.
M41T81SMY6F

Mouser Part No
511-M41T81SMY6F

STMicroelectronics

Real Time Clock Serial Access Real Time Clock

Datasheet

1.045In Stock

Cut Tape

Rp182.176

Rp141.631

Rp131.541

Rp120.350

Reel

Rp109.342

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

I2C

YY-MM-DD-dd

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

20 B

SOX-18

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T81S

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82RM6F
STMicroelectronics
1: Rp79.255
2.760In Stock

Mfr. Part No.
M41T82RM6F

Mouser Part No
511-M41T82RM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

2.760In Stock

Cut Tape

Rp79.255

Rp59.625

Rp54.855

Rp49.534

View

Reel

Rp42.746

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial

YY-MM-DD-dd

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

32 B

SOIC-8

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T82

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T82SM6F
STMicroelectronics
1: Rp59.808
1.790In Stock
5.000Expected 03/08/2026

Mfr. Part No.
M41T82SM6F

Mouser Part No
511-M41T82SM6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

1.790In Stock

5.000Expected 03/08/2026

Cut Tape

Rp59.808

Rp44.581

Rp40.728

Rp36.509

Reel

Rp31.005

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Serial

YY-MM-DD-dd

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

32 B

SOIC-8

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

M41T82

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Battery Swtchovr-RTC

M41T83RQA6F
STMicroelectronics
1: Rp80.722
4.365In Stock

Mfr. Part No.
M41T83RQA6F

Mouser Part No
511-M41T83RQA6F

STMicroelectronics

Real Time Clock Battery Swtchovr-RTC

Datasheet

4.365In Stock

Cut Tape

Rp80.722

Rp60.909

Rp55.955

Rp50.452

Reel

Rp44.581

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Serial 2-Wire, I2C

YY-MM-DD-dd

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

32 B

QFN-16

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T83

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial I2C bus RTC

M41T83ZMY6F
STMicroelectronics
1: Rp135.944
795In Stock

Mfr. Part No.
M41T83ZMY6F

Mouser Part No
511-M41T83ZMY6F

STMicroelectronics

Real Time Clock Serial I2C bus RTC

Datasheet

795In Stock

Cut Tape

Rp135.944

Rp104.756

Rp97.050

Rp88.428

Reel

Rp79.255

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Serial

YY-MM-DD-dd

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

32 B

Backup Switching

2.38 V

5.5 V

- 40 C

+ 85 C

M41T83

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V

M41T93RQA6F
STMicroelectronics
1: Rp153.556
1.145In Stock

Mfr. Part No.
M41T93RQA6F

Mouser Part No
511-M41T93RQA6F

STMicroelectronics

Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V

Datasheet

1.145In Stock

Cut Tape

Rp153.556

Rp118.332

Rp109.526

Rp99.986

Reel

Rp89.712

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

SPI

YY-MM-DD-dd

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

32 B

QFN-16

Backup Switching

2.7 V

5.5 V

- 40 C

+ 85 C

M41T93

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock Serial SPI bus RTC

M41T93SMY6F
STMicroelectronics
1: Rp174.837
623In Stock

Mfr. Part No.
M41T93SMY6F

Mouser Part No
511-M41T93SMY6F

STMicroelectronics

Real Time Clock Serial SPI bus RTC

Datasheet

623In Stock

Cut Tape

Rp174.837

Rp135.393

Rp125.487

Rp114.663

Reel

Rp103.655

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

SPI

YY-MM-DD-dd

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

32 B

SOX-18

Backup Switching

3 V

5.5 V

- 40 C

+ 85 C

M41T93

SMD/SMT

Reel, Cut Tape, MouseReel

Real Time Clock

Customer Service Office

Company

Resources

Support

M41ST85W
M41ST87W
M41T0
M41T00
M41T00AUD
M41T00S
M41T01
M41T11
M41T56
M41T80
M41T81
M41T81S
M41T82
M41T83
M41T93
M41T94
M48T02
M48T08
M48T08Y
M48T12