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Semiconductors Integrated Circuits (ICs)Clock and Timing
Real Time Clocks (RTCs)

Real Time Clocks (RTCs)

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Manufacturers

19

ABLIC

ABLIC

Abracon

Abracon

Analog Devices

Analog Devices

Diodes Inc.

Diodes Inc.

Epson

Epson

Intersil Corporation

Intersil Corporation

Maxim

Maxim

Micro Crystal

Micro Crystal

Logic Function

2

Clock

Clock

Clock, Counter

Clock, Counter

Mount

2

Surface Mount

Surface Mount

Through Hole

Through Hole

Max Supply Voltage

9

1.89V

1.89V

3.3V

3.3V

3.6V

3.6V

3.63V

3.63V

3.7V

3.7V

4.2V

4.2V

4.4V

4.4V

5.5V

5.5V

Number of Pins

13

4

4

6

6

8

8

10

10

14

14

16

16

18

18

20

20

Case/Package

20

BGA

BGA

CDIP

CDIP

DFN

DFN

DIP

DIP

HVSON

HVSON

Module

Module

MSOP

MSOP

PDIP

PDIP

Interface

8

2-Wire, I2C

2-Wire, I2C

2-Wire, I2C, Serial

2-Wire, I2C, Serial

I2C

I2C

I2C, SPI

I2C, SPI

Parallel

Parallel

Serial

Serial

SPI

SPI

SPI, Serial

SPI, Serial

Min Supply Voltage

18

900mV

900mV

1V

1V

1.1V

1.1V

1.2V

1.2V

1.3V

1.3V

1.4V

1.4V

1.7V

1.7V

1.71V

1.71V

Memory Size

28

2B

2B

7B

7B

8B

8B

16B

16B

20B

20B

31B

31B

32B

32B

44B

44B

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Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

DS1339U-33+T&R Analog Devices

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

DS1339U-33+T&R Analog Devices

Real Time Clock (RTC) IC Clock/Calendar I²C, 2-Wire Serial 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin TSSOP T/R

PCF85063ATT/AJ NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin TSSOP T/R

Available Quantity

-

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-

Lead Time

-

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Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin TSSOP T/R

PCF85063ATT/AJ NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin TSSOP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock (RTC) IC Clock/Calendar 236B I2C, 2-Wire Serial 20-SOIC (0.295", 7.50mm Width)

DS3232SN#T&R Analog Devices

Real Time Clock (RTC) IC Clock/Calendar 236B I2C, 2-Wire Serial 20-SOIC (0.295", 7.50mm Width)

Available Quantity

-

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Lead Time

-

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Real Time Clock (RTC) IC Clock/Calendar 236B I2C, 2-Wire Serial 20-SOIC (0.295", 7.50mm Width)

DS3232SN#T&R Analog Devices

Real Time Clock (RTC) IC Clock/Calendar 236B I2C, 2-Wire Serial 20-SOIC (0.295", 7.50mm Width)

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

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DS3231 Series 5.5V Extremely Accurate I2C-Integrated RTC/TCXO/Crystal - SOIC-16

DS3231SN#T&R Analog Devices

DS3231 Series 5.5V Extremely Accurate I2C-Integrated RTC/TCXO/Crystal - SOIC-16

Available Quantity

5,000

Ships From

SG

Lead Time

1-2 weeks

Country of Origin

-

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DS3231 Series 5.5V Extremely Accurate I2C-Integrated RTC/TCXO/Crystal - SOIC-16

DS3231SN#T&R Analog Devices

DS3231 Series 5.5V Extremely Accurate I2C-Integrated RTC/TCXO/Crystal - SOIC-16

Available Quantity

5,000

Ships From

SG

Lead Time

1-2 weeks

Country of Origin

-

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Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin HWSON EP T/R

PCF85063TP/1Z NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin HWSON EP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

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Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin HWSON EP T/R

PCF85063TP/1Z NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 8-Pin HWSON EP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

2.1-MHz, 250-µA, Low-Power Timer 8-SOIC 0 to 70

TLC555CDR Texas Instruments

2.1-MHz, 250-µA, Low-Power Timer 8-SOIC 0 to 70

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

2.1-MHz, 250-µA, Low-Power Timer 8-SOIC 0 to 70

TLC555CDR Texas Instruments

2.1-MHz, 250-µA, Low-Power Timer 8-SOIC 0 to 70

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

DS1340 Series 3 V I2C / Serial Surface Mount RTC with Trickle Charger -SOIC-8

DS1340Z-33+T&R Analog Devices

DS1340 Series 3 V I2C / Serial Surface Mount RTC with Trickle Charger -SOIC-8

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

DS1340 Series 3 V I2C / Serial Surface Mount RTC with Trickle Charger -SOIC-8

DS1340Z-33+T&R Analog Devices

DS1340 Series 3 V I2C / Serial Surface Mount RTC with Trickle Charger -SOIC-8

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Integrated Circuit Real Time Clock (RTC) Callendar; 32.768kHz; 1.8-5.5V; -40+85 deg.C; SMD; SO8

PCF8563T/5,518 NXP Semiconductors

Integrated Circuit Real Time Clock (RTC) Callendar; 32.768kHz; 1.8-5.5V; -40+85 deg.C; SMD; SO8

Available Quantity

42,500

Ships From

HK

Lead Time

1-2 weeks

Country of Origin

-

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Integrated Circuit Real Time Clock (RTC) Callendar; 32.768kHz; 1.8-5.5V; -40+85 deg.C; SMD; SO8

PCF8563T/5,518 NXP Semiconductors

Integrated Circuit Real Time Clock (RTC) Callendar; 32.768kHz; 1.8-5.5V; -40+85 deg.C; SMD; SO8

Available Quantity

42,500

Ships From

HK

Lead Time

1-2 weeks

Country of Origin

-

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Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 10-Pin DFN EP T/R

PCF85063ATL/1,118 NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 10-Pin DFN EP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 10-Pin DFN EP T/R

PCF85063ATL/1,118 NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 10-Pin DFN EP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Module

X1B000311000100 Epson

Real Time Clock Module

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Module

X1B000311000100 Epson

Real Time Clock Module

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Serial I²C bus realnulltime clock (RTC) with battery switchover, VFQFPN 16 4x4x1.0, RoHS

M41T83SQA6F STMicroelectronics

Serial I²C bus realnulltime clock (RTC) with battery switchover, VFQFPN 16 4x4x1.0, RoHS

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Serial I²C bus realnulltime clock (RTC) with battery switchover, VFQFPN 16 4x4x1.0, RoHS

M41T83SQA6F STMicroelectronics

Serial I²C bus realnulltime clock (RTC) with battery switchover, VFQFPN 16 4x4x1.0, RoHS

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 56byte Clock/Calendar 8-Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8-SOIC

DS1307ZN+T&R Analog Devices

Real Time Clock Serial 56byte Clock/Calendar 8-Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8-SOIC

Available Quantity

10,000

Ships From

SG

Lead Time

1-2 weeks

Country of Origin

-

Need More?

Real Time Clock Serial 56byte Clock/Calendar 8-Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8-SOIC

DS1307ZN+T&R Analog Devices

Real Time Clock Serial 56byte Clock/Calendar 8-Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8-SOIC

Available Quantity

10,000

Ships From

SG

Lead Time

1-2 weeks

Country of Origin

-

Need More?

Lownullpower serial realnulltime clock (RTC) with alarm, QFN-16L, RoHS

M41T65Q6F STMicroelectronics

Lownullpower serial realnulltime clock (RTC) with alarm, QFN-16L, RoHS

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Lownullpower serial realnulltime clock (RTC) with alarm, QFN-16L, RoHS

M41T65Q6F STMicroelectronics

Lownullpower serial realnulltime clock (RTC) with alarm, QFN-16L, RoHS

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 160byte Clock/Calendar/Alarm/Timer/Interrupt 28-Pin SOX T/R

M41ST87WMX6TR STMicroelectronics

Real Time Clock Serial 160byte Clock/Calendar/Alarm/Timer/Interrupt 28-Pin SOX T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 160byte Clock/Calendar/Alarm/Timer/Interrupt 28-Pin SOX T/R

M41ST87WMX6TR STMicroelectronics

Real Time Clock Serial 160byte Clock/Calendar/Alarm/Timer/Interrupt 28-Pin SOX T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock (RTC) IC Binary Counter I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)

DS1672S-33+T&R Analog Devices

Real Time Clock (RTC) IC Binary Counter I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock (RTC) IC Binary Counter I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)

DS1672S-33+T&R Analog Devices

Real Time Clock (RTC) IC Binary Counter I2C, 2-Wire Serial 8-SOIC (0.154", 3.90mm Width)

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

M41T66 Series 1.5 to 4.4 V Clock/Calendar Serial Real Time Clock w/ Alarm-QFN-16

M41T66Q6F STMicroelectronics

M41T66 Series 1.5 to 4.4 V Clock/Calendar Serial Real Time Clock w/ Alarm-QFN-16

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

M41T66 Series 1.5 to 4.4 V Clock/Calendar Serial Real Time Clock w/ Alarm-QFN-16

M41T66Q6F STMicroelectronics

M41T66 Series 1.5 to 4.4 V Clock/Calendar Serial Real Time Clock w/ Alarm-QFN-16

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Automotive 14-Pin TSSOP T/R

PCA21125T/Q900/1,1 NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Automotive 14-Pin TSSOP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Automotive 14-Pin TSSOP T/R

PCA21125T/Q900/1,1 NXP Semiconductors

Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Automotive 14-Pin TSSOP T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Rtc Ic, Dd: Mm: Yyyy, Wlp-12 Rohs Compliant: Yes |Analog Devices MAX31331EWC+T

MAX31331EWC+T Analog Devices

Rtc Ic, Dd: Mm: Yyyy, Wlp-12 Rohs Compliant: Yes |Analog Devices MAX31331EWC+T

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Rtc Ic, Dd: Mm: Yyyy, Wlp-12 Rohs Compliant: Yes |Analog Devices MAX31331EWC+T

MAX31331EWC+T Analog Devices

Rtc Ic, Dd: Mm: Yyyy, Wlp-12 Rohs Compliant: Yes |Analog Devices MAX31331EWC+T

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

ROHS|YES|MEDIX|75601|IC Real-time Clock, 64X8|SERIAL I2C 5V SOIC-8 SMD|

DS1307Z+T&R Analog Devices

ROHS|YES|MEDIX|75601|IC Real-time Clock, 64X8|SERIAL I2C 5V SOIC-8 SMD|

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

ROHS|YES|MEDIX|75601|IC Real-time Clock, 64X8|SERIAL I2C 5V SOIC-8 SMD|

DS1307Z+T&R Analog Devices

ROHS|YES|MEDIX|75601|IC Real-time Clock, 64X8|SERIAL I2C 5V SOIC-8 SMD|

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

RTC Clock/Calendar I2C Interface SO8 DS 1337 S+ T&R

DS1337S+T&R Analog Devices

RTC Clock/Calendar I2C Interface SO8 DS 1337 S+ T&R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

RTC Clock/Calendar I2C Interface SO8 DS 1337 S+ T&R

DS1337S+T&R Analog Devices

RTC Clock/Calendar I2C Interface SO8 DS 1337 S+ T&R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real TimeClock SerialClock/Calendar/Alarm/Timer 20-Pin VSOJ

Q41856471000100 Epson

Real TimeClock SerialClock/Calendar/Alarm/Timer 20-Pin VSOJ

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real TimeClock SerialClock/Calendar/Alarm/Timer 20-Pin VSOJ

Q41856471000100 Epson

Real TimeClock SerialClock/Calendar/Alarm/Timer 20-Pin VSOJ

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 16byte Clock/Calendar/Time/Temperature/Event Recorder/Alarm 8-Pin SOIC N T/R

DS1683S+T&R Analog Devices

Real Time Clock Serial 16byte Clock/Calendar/Time/Temperature/Event Recorder/Alarm 8-Pin SOIC N T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 16byte Clock/Calendar/Time/Temperature/Event Recorder/Alarm 8-Pin SOIC N T/R

DS1683S+T&R Analog Devices

Real Time Clock Serial 16byte Clock/Calendar/Time/Temperature/Event Recorder/Alarm 8-Pin SOIC N T/R

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

PCF8523 Series 5.5 V 1 Mbps I2C Interface Real Time Clock / Calendar - SOIC-8

PCF8523T/1,118 NXP Semiconductors

PCF8523 Series 5.5 V 1 Mbps I2C Interface Real Time Clock / Calendar - SOIC-8

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

PCF8523 Series 5.5 V 1 Mbps I2C Interface Real Time Clock / Calendar - SOIC-8

PCF8523T/1,118 NXP Semiconductors

PCF8523 Series 5.5 V 1 Mbps I2C Interface Real Time Clock / Calendar - SOIC-8

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 56byte Clock/Calendar 8Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8SOIC

DS1338Z-33+T&R Analog Devices

Real Time Clock Serial 56byte Clock/Calendar 8Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8SOIC

Available Quantity

-

Ships From

-

Lead Time

-

Country of Origin

-

Real Time Clock Serial 56byte Clock/Calendar 8Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8SOIC

DS1338Z-33+T&R Analog Devices

Real Time Clock Serial 56byte Clock/Calendar 8Pin SOIC N T/R / IC RTC CLK/CALENDAR I2C 8SOIC

Available Quantity

-

Ships From

-

Lead Time

-

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-

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