Real Time Clocks

Manufacturer 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























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Reset All
Apply All
Results:
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
RTC-7301SF:B3 ROHS EPSON

RTC-7301SF:B3 ROHS

IC RTC CLK/CALENDAR PAR 24SSOP

EPSON

4,382
RFQ
RTC-7301SF:B3 ROHS Datasheet

Datasheet

- 24-SOP (0.213", 5.40mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.4V ~ 5.5V - 1µA ~ 2µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 24-SSOP
M48T201V-85MH1E STMicroelectronics

M48T201V-85MH1E

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

3,179
RFQ
M48T201V-85MH1E Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
M48T201Y-70MH1E STMicroelectronics

M48T201Y-70MH1E

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

1,746
RFQ
M48T201Y-70MH1E Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 44-SOH
DS1615 Analog Devices Inc./Maxim Integrated

DS1615

IC RTC TEMP RECORDER SER 16DIP

Analog Devices Inc./Maxim Integrated

2,194
RFQ
DS1615 Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Not Verified Temperature Recorder Alarm, Leap Year, Unique ID, Y2K 32B HH:MM:SS (12/24 hr) YY-MM-DD-dd 3-Wire Serial 4V ~ 5.5V 2.7V ~ 4.95V 0.5µA @ 5V -40°C ~ 85°C Through Hole - - 16-PDIP
DS1384FP-12+ Analog Devices Inc./Maxim Integrated

DS1384FP-12+

IC RTC CLK/CALENDAR PAR 44MQFP

Analog Devices Inc./Maxim Integrated

4,734
RFQ
DS1384FP-12+ Datasheet

Datasheet

- 44-QFP Bag Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer 50B HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.4V ~ 4V 3mA @ 5V 0°C ~ 70°C Surface Mount - - 44-MQFP (10x10)
DS32C35-33# Analog Devices Inc./Maxim Integrated

DS32C35-33#

IC RTC CLK/CALENDAR I2C 20SOIC

Analog Devices Inc./Maxim Integrated

4,087
RFQ
DS32C35-33# Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.63V 2.3V ~ 3.6V 110µA @ 3.63V 0°C ~ 70°C Surface Mount - - 20-SOIC
DS32C35-33IND# Analog Devices Inc./Maxim Integrated

DS32C35-33IND#

IC RTC CLK/CALENDAR I2C 20SOIC

Analog Devices Inc./Maxim Integrated

1,233
RFQ
DS32C35-33IND# Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, FRAM, Leap Year, Square Wave Output, TCXO/Crystal 8KB HH:MM:SS (12/24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 2.7V ~ 3.63V 2.3V ~ 3.6V 110µA @ 3.63V -40°C ~ 85°C Surface Mount - - 20-SOIC
DS1315EN-5 Analog Devices Inc./Maxim Integrated

DS1315EN-5

IC RTC PHANTOM CHIP PAR 20TSSOP

Analog Devices Inc./Maxim Integrated

4,906
RFQ
DS1315EN-5 Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tube Obsolete 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 -40°C ~ 85°C Surface Mount - - 20-TSSOP
DS1315SN-33 Analog Devices Inc./Maxim Integrated

DS1315SN-33

IC RTC PHANTOM CHIP PAR 16SOIC

Analog Devices Inc./Maxim Integrated

3,833
RFQ
DS1315SN-33 Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Phantom Time Chip Leap Year - HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 1.1mA @ 3.3V -40°C ~ 85°C Surface Mount - - 16-SOIC
M48T212V-85MH1F STMicroelectronics

M48T212V-85MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

3,445
RFQ
M48T212V-85MH1F Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer, Y2K - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 3V 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
DS17485S-3+ Analog Devices Inc./Maxim Integrated

DS17485S-3+

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

4,728
RFQ
DS17485S-3+ Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 2.7V ~ 3.7V 0°C ~ 70°C Surface Mount - - 24-SOIC
M48T59Y-70MH6E STMicroelectronics

M48T59Y-70MH6E

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

4,307
RFQ

-

Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tube Obsolete Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOH
M41T256YMT7F STMicroelectronics

M41T256YMT7F

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

2,349
RFQ
M41T256YMT7F Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
DS1501YZN+T&R Analog Devices Inc./Maxim Integrated

DS1501YZN+T&R

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

1,824
RFQ
DS1501YZN+T&R Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 5mA @ 4.5V ~ 5.5V -40°C ~ 85°C Surface Mount - - 28-SOIC
DS17485S-5+T&R Analog Devices Inc./Maxim Integrated

DS17485S-5+T&R

IC RTC CLK/CALENDAR PAR 24SOIC

Analog Devices Inc./Maxim Integrated

1,076
RFQ
DS17485S-5+T&R Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 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
M41T256YMH7F STMicroelectronics

M41T256YMH7F

IC RTC CLK/CALENDAR I2C 44SOH

STMicroelectronics

2,906
RFQ
M41T256YMH7F Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Obsolete Not Verified Clock/Calendar Leap Year, NVSRAM 32KB HH:MM:SS:hh (24 hr) YY-MM-DD-dd I2C, 2-Wire Serial 4.5V ~ 5.5V 2.5V ~ 3.5V 2.5mA @ 4.5V ~ 5.5V -25°C ~ 70°C Surface Mount - - 44-SOH
COM-10079 SparkFun Electronics

COM-10079

REAL TIME CLOCK - DS3234

SparkFun Electronics

2,305
RFQ

-

- 20-SOIC (0.295", 7.50mm Width) Bulk Active Not Verified Clock/Calendar Alarm, Leap Year, Square Wave Output, SRAM 256B HH:MM:SS (12/24 hr) YY-MM-DD SPI 2V ~ 5.5V 2V ~ 3.8V 120µA ~ 160µA @ 3.63V ~ 5.5V 0°C ~ 70°C (TA) Surface Mount - - 20-SOIC
DS1501WZ+ Analog Devices Inc./Maxim Integrated

DS1501WZ+

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

1,808
RFQ
DS1501WZ+ Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 28-SOIC
RX-4803LC:AA3 PURE SN EPSON

RX-4803LC:AA3 PURE SN

IC RTC CLK/CALENDAR SPI 12VSOJ

EPSON

1,126
RFQ
RX-4803LC:AA3 PURE SN Datasheet

Datasheet

RX-4803LC 12-TFSOJ (0.094", 2.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 12-VSOJ
RX-4803LC:UC3 PURE SN EPSON

RX-4803LC:UC3 PURE SN

IC RTC CLK/CALENDAR SPI 12VSOJ

EPSON

3,207
RFQ
RX-4803LC:UC3 PURE SN Datasheet

Datasheet

RX-4803LC 12-TFSOJ (0.094", 2.40mm Width) Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd SPI 1.6V ~ 5.5V - 2.1µA ~ 3.4µA @ 3V ~ 5V -40°C ~ 85°C Surface Mount - - 12-VSOJ
Total 2403 Record«Prev1... 7778798081828384...121Next»

Real Time Clocks Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Real Time Clocks components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Real Time Clocks Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Real Time Clocks FAQ

Can FPGAX source both active and end-of-life Real Time Clocks components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Real Time Clocks sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.