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Real Time Clocks

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Type Features Memory Size Time Format Date Format Interface Voltage - Supply Voltage - Supply, Battery Current - Timekeeping (Max) Operating Temperature Mounting Type Grade Qualification Supplier Device Package
DS17885S-5+

DS17885S-5+

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

204
RFQ
DS17885S-5+

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 24-SOIC
DS1315E-5+

DS1315E-5+

IC RTC PHANTOM CHIP PAR 20TSSOP

Analog Devices Inc./Maxim Integrated

2,484
RFQ
DS1315E-5+

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 1.3mA @ 5V 0°C ~ 70°C Surface Mount - - 20-TSSOP
DS1747WP-120+

DS1747WP-120+

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

6,238
RFQ
DS1747WP-120+

Datasheet

- 34-PowerCap™ Module Tray Active Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 2mA @ 3.3V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
DS1747W-120+

DS1747W-120+

IC RTC CLK/CALENDAR PAR 32EDIP

Analog Devices Inc./Maxim Integrated

528
RFQ
DS1747W-120+

Datasheet

- 32-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 2mA @ 3.3V 0°C ~ 70°C Through Hole - - 32-EDIP
DS1557WP-120IND+

DS1557WP-120IND+

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

5,628
RFQ
DS1557WP-120IND+

Datasheet

- 34-PowerCap™ Module Tray Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V 3V 4mA @ 3.3V -40°C ~ 85°C Surface Mount - - 34-PowerCap Module
MCP79400T-I/MNY

MCP79400T-I/MNY

IC RTC CLK/CALENDAR I2C 8TDFN

Microchip Technology

8,118
RFQ
MCP79400T-I/MNY

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM, Unique ID 64B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V 1.3V ~ 5.5V 1.2µA (Typ) @ 3.3V -40°C ~ 85°C Surface Mount - - 8-TDFN (2x3)
RX8130CE B6

RX8130CE B6

IC RTC CLK/CALENDAR I2C 10SMD

EPSON

3,728
RFQ
RX8130CE B6

Datasheet

RX8130CE 10-SMD, No Lead Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Watchdog Timer - HH:MM:SS YY-MM-DD I2C 1.25V ~ 5.5V 1.1V ~ 5.5V 4µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 10-SMD
PT7C4337WEX

PT7C4337WEX

IC RTC CLK/CALENDAR I2C 8SOIC

Diodes Incorporated

8,442
RFQ
PT7C4337WEX

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.8µA @ 1.3V ~ 1.8V -40°C ~ 85°C (TA) Surface Mount - - 8-SOIC
BU9873NUX-TTR

BU9873NUX-TTR

IC RTC CLK/CALENDAR I2C 8VSON

Rohm Semiconductor

18,238
RFQ
BU9873NUX-TTR

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA ~ 1.35µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount - - VSON008X2030
BU9873FVT-GE2

BU9873FVT-GE2

IC RTC CLK/CALENDAR I2C 8TSSOP

Rohm Semiconductor

11,010
RFQ
BU9873FVT-GE2

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA ~ 1.35µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-TSSOP-B
1338D-31DVGI

1338D-31DVGI

1338D-31 REAL TIME CLOCK

Renesas Electronics Corporation

768
RFQ
1338D-31DVGI

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active - Clock/Calendar Leap Year, RAM, Square Wave Output 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C 3.3V ~ 5.5V 1.3V ~ 3.7V 2µA @ 3.63V -40°C ~ 85°C (TA) Surface Mount - - 8-TSSOP
BU9873F-GTE2

BU9873F-GTE2

IC RTC CLOCK/CALENDAR I2C 8SOP

Rohm Semiconductor

562
RFQ
BU9873F-GTE2

Datasheet

- 8-SOIC (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 1µA ~ 1.35µA @ 3V ~ 5.5V -40°C ~ 85°C Surface Mount - - 8-SOP
MCP795W21-I/ST

MCP795W21-I/ST

IC RTC CLK/CALENDAR SPI 14TSSOP

Microchip Technology

384
RFQ
MCP795W21-I/ST

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified Clock/Calendar Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer 64B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.8V ~ 3.6V 1.3V ~ 3.6V 1µA @ 1.8V ~ 5.5V -40°C ~ 85°C Surface Mount - - 14-TSSOP
AM0815AQ

AM0815AQ

RTC ARTASIE SPI LO PWR 16QFN

Ambiq Micro, Inc.

17,472
RFQ
AM0815AQ

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger, Unique ID, Watchdog Timer 256B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.5V ~ 3.6V 1.4V ~ 3.6V 0.17µA ~ 0.22µA @ 1.8V ~ 3V -40°C ~ 85°C (TA) Surface Mount - - 16-QFN (3x3)
AM0805AQ

AM0805AQ

RTC ARTASIE I2C LO PWR 16QFN

Ambiq Micro, Inc.

16,570
RFQ
AM0805AQ

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger, Unique ID, Watchdog Timer 256B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd I2C 1.5V ~ 3.6V 1.4V ~ 3.6V 0.17µA ~ 0.22µA @ 1.8V ~ 3V -40°C ~ 85°C (TA) Surface Mount - - 16-QFN (3x3)
RV-8263-C8-32.768KHZ-20PPM-TA-QC

RV-8263-C8-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR I2C 8-SMT

Micro Crystal AG

1,596
RFQ
RV-8263-C8-32.768KHZ-20PPM-TA-QC

Datasheet

C8 8-WCDFN Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, Offset Compensation, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 0.9V ~ 5.5V - 0.24µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (2x1.2)
RV-8063-C8-32.768KHZ-20PPM-TA-QC

RV-8063-C8-32.768KHZ-20PPM-TA-QC

IC RTC CLK/CALENDAR SPI 8-SMT

Micro Crystal AG

1,968
RFQ
RV-8063-C8-32.768KHZ-20PPM-TA-QC

Datasheet

C8 8-WCDFN Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, Offset Compensation, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 3-Wire Serial 0.9V ~ 5.5V - 0.24µA @ 3V -40°C ~ 85°C (TA) Surface Mount - - 8-SON (2x1.2)
AM1815AQ

AM1815AQ

RTC ARTASIE SPI W/PWR MNGT 16QFN

Ambiq Micro, Inc.

11,662
RFQ
AM1815AQ

Datasheet

Artasie 16-VFQFN Exposed Pad Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, RAM, Square Wave Output, Supervisor, Trickle Charger, Unique ID, Watchdog Timer 256B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd SPI 1.5V ~ 3.6V 1.4V ~ 3.6V 0.17µA ~ 0.22µA @ 1.8V ~ 3V -40°C ~ 85°C (TA) Surface Mount - - 16-QFN (3x3)
RV-8063-C8-32.768KHZ-20PPM-TA-QA

RV-8063-C8-32.768KHZ-20PPM-TA-QA

IC RTC CLK/CALENDAR SPI 8-SMT

Micro Crystal AG

1,984
RFQ
RV-8063-C8-32.768KHZ-20PPM-TA-QA

Datasheet

C8 8-WCDFN Tape & Reel (TR) Active - Clock/Calendar Alarm, Leap Year, Offset Compensation, Programmable Clock Output, RAM, Timer 1B HH:MM:SS (12/24 hr) YY-MM-DD-dd SPI, 3-Wire Serial 0.9V ~ 5.5V - 0.24µA @ 3V -40°C ~ 85°C (TA) Surface Mount Automotive AEC-Q200 8-SON (2x1.2)
1337AGDVGI

1337AGDVGI

IC RTC CLK/CALENDAR I2C 8TSSOP

Renesas Electronics Corporation

500
RFQ
1337AGDVGI

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output - HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 1.8V ~ 5.5V - 0.3µA @ 1.3V ~ 1.8V -40°C ~ 85°C Surface Mount - - 8-TSSOP
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