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Categories

Clock/Timing - Real Time Clocks

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3751 Results

Product

Inventory

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Datasheet

RoHS

Factory Lead Time

Lifecycle Status

Contact Plating

Mount

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Surface Mount

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Manufacturer Package Identifier

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Operating Temperature

Packaging

Published

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JESD-609 Code

Pbfree Code

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ECCN Code

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Resistance

Terminal Finish

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Min Operating Temperature

HTS Code

Power Rating

Voltage - Rated DC

Voltage - Supply

Terminal Position

Peak Reflow Temperature (Cel)

Supply Voltage

Terminal Pitch

Frequency

Time@Peak Reflow Temperature-Max (s)

Base Part Number

Pin Count

JESD-30 Code

Number of Outputs

Qualification Status

Case Code (Metric)

Case Code (Imperial)

Operating Supply Voltage

Power Supplies

Interface

Max Supply Voltage

Min Supply Voltage

Memory Size

Nominal Supply Current

RAM Size

Number of Bits

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Logic Function

Max Frequency

Number of Timers

Bus Compatibility

Time Format

Non-Volatile Memory

Date Format

Ambient Temperature Range High

Current - Timekeeping (Max)

Time-Min

Interrupt Capability

Voltage - Supply, Battery

Volatile

Information Access Method

Features

Height

Height Seated (Max)

Length

Width

Thickness

Radiation Hardening

REACH SVHC

RoHS Status

Lead Free

DS1302ZN+T&R
DS1302ZN+T&R

Maxim Integrated

20000

-

Datasheet

6 Weeks

-

Tin

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

8-SOIC

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2002

-

-

-

-

Active

1 (Unlimited)

-

-

Clock/Calendar

-

-

85°C

-40°C

-

-

-

2V~5.5V

-

-

-

-

-

-

DS1302

-

-

-

-

-

-

3.3V

-

3-Wire Serial

5.5V

2V

31B

-

-

-

-

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

0.3μA~1μA @ 2V~5V

-

-

2V~5.5V

-

-

Leap Year, NVSRAM, Trickle-Charger

1.5mm

-

5mm

4mm

-

No

Unknown

ROHS3 Compliant

Lead Free

DS1339U-33+T&R
DS1339U-33+T&R

Maxim Integrated

10006

-

Datasheet

6 Weeks

-

Tin

Surface Mount

Surface Mount

8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

-

8

8-uMAX

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2002

-

-

-

-

Active

1 (Unlimited)

-

-

Clock/Calendar

-

-

85°C

-40°C

-

-

-

2.97V~5.5V

-

-

-

-

-

-

DS1339

-

-

-

-

-

-

3.3V

-

I2C, 2-Wire Serial

5.5V

2.97V

-

-

-

-

-

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

200μA @ 5.5V

-

-

1.3V~3.7V

-

-

Alarm, Leap Year, Square Wave Output, Trickle-Charger

950μm

-

3.1mm

3.1mm

-

No

Unknown

ROHS3 Compliant

Lead Free

DS1305E+T&R
DS1305E+T&R

Maxim Integrated

325

-

Datasheet

6 Weeks

-

-

-

Surface Mount

20-TSSOP (0.173, 4.40mm Width)

-

20

20-TSSOP

-

-

-

-

0°C~70°C

Tape & Reel (TR)

2002

-

-

-

-

Active

1 (Unlimited)

-

-

Clock/Calendar

-

-

-

-

-

-

-

2V~5.5V

-

-

-

-

-

-

DS1305

-

-

-

-

-

-

-

-

SPI

-

-

96B

-

-

-

-

-

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

25.3μA~81μA @ 2V~5V

-

-

2V~5.5V

-

-

Alarm, Leap Year, NVSRAM, Trickle-Charger

-

-

-

-

-

-

-

ROHS3 Compliant

Lead Free

DS3232SN#T&R
DS3232SN#T&R

Maxim Integrated

2455

-

Datasheet

6 Weeks

-

-

-

Surface Mount

20-SOIC (0.295, 7.50mm Width)

-

-

20-SOIC

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2010

-

-

-

-

Active

1 (Unlimited)

-

-

Clock/Calendar

-

-

-

-

-

-

-

2.3V~5.5V

-

-

-

-

-

-

DS3232

-

-

-

-

-

-

-

-

I2C, 2-Wire Serial

-

-

236B

-

-

-

-

-

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

120μA~160μA @ 3.3V~5.5V

-

-

2.3V~5.5V

-

-

Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal

-

-

-

-

-

-

-

ROHS3 Compliant

-

DS1374C-33#T&R
DS1374C-33#T&R

Maxim Integrated

50
Datasheet

6 Weeks

-

-

Surface Mount

Surface Mount

16-SOIC (0.295, 7.50mm Width)

-

16

16-SOIC

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2002

-

-

-

-

Active

1 (Unlimited)

-

-

Binary Counter

-

-

85°C

-40°C

-

-

-

2.97V~5.5V

-

-

-

-

-

-

DS1374

-

-

-

-

-

-

3.3V

-

I2C, 2-Wire Serial

5.5V

2.97V

-

-

-

-

-

Clock, Counter

-

-

-

Binary

-

Binary

-

175μA @ 2.97V~5.5V

-

-

1.3V~5.5V

-

-

Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer

-

-

-

-

-

No

-

ROHS3 Compliant

-

PCF85063ATL/1,118
PCF85063ATL/1,118

NXP USA Inc.

6000011

-

Datasheet

7 Weeks

-

-

-

Surface Mount

10-XFDFN Exposed Pad

YES

-

-

-

-

Industrial grade

-

-40°C~85°C

Cut Tape (CT)

2010

-

-

e4

-

Active

1 (Unlimited)

10

EAR99

Clock/Calendar

-

Nickel/Palladium/Gold (Ni/Pd/Au)

-

-

8542.39.00.01

-

-

0.9V~5.5V

DUAL

NOT SPECIFIED

3.3V

0.5mm

-

NOT SPECIFIED

PCF85063

10

S-PDSO-N10

-

Not Qualified

-

-

-

1.2/5V

I2C, 2-Wire Serial

-

-

-

-

-

-

-

-

-

1

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

0.6μA @ 3.3V

SECONDS

Y

-

YES

I2C

Alarm, Leap Year, Square Wave Output

-

0.5mm

2.6mm

2.6mm

-

-

-

ROHS3 Compliant

-

PCF8523T/1,118
PCF8523T/1,118

NXP USA Inc.

15000

-

Datasheet

7 Weeks

-

-

-

Surface Mount

8-SOIC (0.154, 3.90mm Width)

YES

-

-

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2010

-

-

-

-

Active

1 (Unlimited)

8

-

Clock/Calendar

-

-

-

-

8542.39.00.01

-

-

1.6V~5.5V

DUAL

NOT SPECIFIED

3V

1.27mm

-

NOT SPECIFIED

PCF8523

8

R-PDSO-G8

-

Not Qualified

-

-

-

1.2/5.5V

I2C, 2-Wire Serial

-

-

-

-

-

-

0.032MHz

-

-

1

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

0.5μA @ 2V~5V

SECONDS

Y

1.8V~5.5V

YES

I2C

Alarm, Leap Year, Watchdog Timer

-

1.75mm

4.9mm

3.9mm

-

-

-

ROHS3 Compliant

-

MCP7940N-I/SN
MCP7940N-I/SN

Microchip Technology

30000

-

Datasheet

6 Weeks

-

Tin

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tube

1998

Automotive, AEC-Q100

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

-

-

-

-

-

-

1.8V~5.5V

DUAL

260

2.5V

1.27mm

-

40

MCP7940N

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B

-

-

-

-

Clock

400kHz

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

YES

I2C

Alarm, Leap Year, Square Wave Output, SRAM

1.5mm

-

4.9mm

3.9mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

MCP7940NT-I/SN
MCP7940NT-I/SN

Microchip Technology

166

-

Datasheet

7 Weeks

-

-

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

2012

Automotive, AEC-Q100

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Matte Tin (Sn) - annealed

-

-

-

-

-

1.8V~5.5V

DUAL

260

2.5V

1.27mm

-

40

MCP7940N

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B

-

-

-

0.032MHz

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

YES

I2C

Alarm, Leap Year, Square Wave Output, SRAM

-

1.75mm

4.9mm

3.9mm

-

No

-

ROHS3 Compliant

-

MCP7940N-I/MS
MCP7940N-I/MS

Microchip Technology

100

-

Datasheet

7 Weeks

-

-

Surface Mount

Surface Mount

8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tube

2011

Automotive, AEC-Q100

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Matte Tin (Sn) - annealed

-

-

-

-

-

1.8V~5.5V

DUAL

260

2.5V

0.65mm

-

40

MCP7940N

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B

-

-

-

0.032MHz

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

YES

I2C

Alarm, Leap Year, Square Wave Output, SRAM

950μm

-

3mm

3mm

-

No

-

ROHS3 Compliant

-

M41T81SM6F
M41T81SM6F

STMicroelectronics

16500

-

Datasheet

10 Weeks

ACTIVE (Last Updated: 7 months ago)

-

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

540.001716mg

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

-

-

-

e4

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Nickel/Palladium/Gold (Ni/Pd/Au)

-

-

-

-

-

2.7V~5.5V

DUAL

260

5V

-

32.768kHz

30

M41T81

8

-

1

-

-

-

-

3/5V

I2C, 2-Wire Serial

-

-

20B

400μA

-

-

-

Clock

-

1

-

HH:MM:SS:hh (24 hr)

-

YY-MM-DD-dd

85°C

100μA @ 2.7V~5.5V

-

Y

2V~3.5V

YES

I2C

Alarm, Leap Year, Square Wave Output, Watchdog Timer

1.75mm

-

5mm

4mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

PT7C4302WEX
PT7C4302WEX

Diodes Incorporated

5000
Datasheet

18 Weeks

-

-

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

-

-

-40°C~85°C

Tape & Reel (TR)

2015

-

-

-

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

-

-

-

-

-

-

1.2V~5.5V

DUAL

-

2V

1.27mm

-

-

PT7C4302

-

-

-

Not Qualified

-

-

-

1.5/5V

3-Wire Serial

-

-

31B

-

-

-

-

-

-

1

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

25.3μA~81μA @ 2V~5V

SECONDS

N

1.5V~5.5V

NO

SERIAL, 3-WIRE

Leap Year, NVSRAM, Square Wave Output, Trickle-Charger

-

1.75mm

4.9mm

3.9mm

-

-

-

ROHS3 Compliant

-

BQ32000DR
BQ32000DR

Texas Instruments

10000

-

Datasheet

6 Weeks

ACTIVE (Last Updated: 6 days ago)

Gold

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

75.891673mg

D (R-PDSO_G8)

-

50V

-40°C~85°C

Tape & Reel (TR)

-

-

1%

e4

yes

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

120kOhm

-

-

-

-

100mW

50V

3V~3.6V

DUAL

260

3.3V

1.27mm

-

-

BQ32000

8

-

-

-

1608

0603

3.3V

-

I2C, 2-Wire Serial

-

-

-

-

-

-

0.032MHz

Clock

-

-

I2C

HH:MM:SS (24 hr)

-

YY-MM-DD-dd

-

100μA @ 3.3V

SECONDS

N

1.4V~3.6V

NO

I2C

Leap Year, Square Wave Output, Trickle-Charger

1.75mm

-

4.9mm

3.91mm

1.58mm

No

No SVHC

ROHS3 Compliant

Lead Free

M41T83SMY6F
M41T83SMY6F

STMicroelectronics

33

-

Datasheet

25 Weeks

ACTIVE (Last Updated: 7 months ago)

Tin

Surface Mount

Surface Mount

18-SOX, 18-SOIC with Crystal (7.5mm Width)

-

18

-

-

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

-

-

-

e3

-

Active

1 (Unlimited)

18

EAR99

Clock/Calendar

-

-

-

-

8542.39.00.01

-

-

3V~5.5V

DUAL

240

5V

1.27mm

-

30

M41T83

18

-

-

-

-

-

-

3.3/5V

I2C, 2-Wire Serial

-

-

-

-

-

8

0.4MHz

Clock

-

1

-

HH:MM:SS:hh (24 hr)

7 B

YY-MM-DD-dd

-

10μA @ 5.5V

1/100SECOND

Y

2V~5.5V

-

I2C

Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer

-

2.69mm

11.61mm

7.62mm

-

No

-

ROHS3 Compliant

Lead Free

MCP7940N-I/ST
MCP7940N-I/ST

Microchip Technology

5000

-

Datasheet

5 Weeks

-

-

Surface Mount

Surface Mount

8-TSSOP (0.173, 4.40mm Width)

-

8

-

-

-

-

-

-40°C~85°C

Tube

2010

Automotive, AEC-Q100

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Matte Tin (Sn) - annealed

-

-

-

-

-

1.8V~5.5V

DUAL

260

2.5V

0.65mm

-

40

MCP7940N

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

-

-

-

-

0.032MHz

Clock

-

-

-

HH:MM:SS (12/24 hr)

64 B

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

-

I2C

Alarm, Leap Year, Square Wave Output, SRAM

1.05mm

-

4.5mm

3.1mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

M41T00SM6F
M41T00SM6F

STMicroelectronics

10500

-

Datasheet

10 Weeks

ACTIVE (Last Updated: 7 months ago)

Tin

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

-

-

-

e4

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Nickel/Palladium/Gold (Ni/Pd/Au)

-

-

-

-

-

2.7V~5.5V

DUAL

260

-

1.27mm

-

30

M41T00

8

-

-

-

-

-

-

3/5V

I2C, 2-Wire Serial

-

-

-

-

-

-

0.032MHz

Clock

-

-

-

HH:MM:SS (24 hr)

8 B

YY-MM-DD-dd

-

70μA @ 2.7V~5.5V

SECONDS

N

2V~3.5V

-

I2C

Leap Year

1.25mm

-

5mm

4mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

MCP79410-I/MS
MCP79410-I/MS

Microchip Technology

611

-

Datasheet

7 Weeks

-

-

Surface Mount

Surface Mount

8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tube

2003

-

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Matte Tin (Sn) - annealed

-

-

-

-

-

1.8V~5.5V

DUAL

260

5V

0.65mm

400kHz

40

MCP79410

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B 1Kb

-

-

-

-

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

NO

I2C

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

939.8μm

-

2.9972mm

2.9972mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

MCP79410T-I/SN
MCP79410T-I/SN

Microchip Technology

650

-

Datasheet

7 Weeks

-

-

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

1998

-

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Matte Tin (Sn) - annealed

-

-

-

-

-

1.8V~5.5V

DUAL

260

5V

1.27mm

-

40

MCP79410

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B 1Kb

-

-

-

0.4MHz

Clock

-

-

-

HH:MM:SS (12/24 hr)

-

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

NO

I2C

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

1.4986mm

-

4.8768mm

3.9116mm

-

No

-

ROHS3 Compliant

Lead Free

M41T00M6F
M41T00M6F

STMicroelectronics

2500

-

Datasheet

10 Weeks

ACTIVE (Last Updated: 7 months ago)

-

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

540.001716mg

-

Industrial grade

-

-40°C~85°C

Tape & Reel (TR)

-

-

-

e4

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

Nickel/Palladium/Gold (Ni/Pd/Au)

-

-

-

-

-

2V~5.5V

DUAL

260

-

-

100kHz

40

M41T00

8

-

1

-

-

-

-

2/5.5V

I2C, 2-Wire Serial

-

-

8B

300μA

8B

-

-

Clock

-

-

-

HH:MM:SS

8 B

YY-MM-DD-dd

85°C

70μA @ 2V~5.5V

SECONDS

N

2.5V~3.5V

-

I2C

Leap Year

1.75mm

-

5mm

4mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

MCP79410-I/SN
MCP79410-I/SN

Microchip Technology

9300

-

Datasheet

6 Weeks

-

Tin

Surface Mount

Surface Mount

8-SOIC (0.154, 3.90mm Width)

-

8

-

-

-

Industrial grade

-

-40°C~85°C

Tube

2005

-

-

e3

-

Active

1 (Unlimited)

8

EAR99

Clock/Calendar

-

-

-

-

-

-

-

1.8V~5.5V

DUAL

260

5V

1.27mm

-

40

MCP79410

8

-

-

-

-

-

-

2/5V

I2C, 2-Wire Serial

-

-

64B 1Kb

-

-

-

0.4MHz

Clock

-

-

-

HH:MM:SS (12/24 hr)

1 kB

YY-MM-DD-dd

-

1.2μA @ 3.3V

SECONDS

Y

1.3V~5.5V

-

I2C

Alarm, Leap Year, Square Wave Output, SRAM, Unique ID

1.25mm

-

4.9mm

3.9mm

-

No

No SVHC

ROHS3 Compliant

Lead Free

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