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























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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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
DS12887A+ Analog Devices Inc./Maxim Integrated

DS12887A+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

494
RFQ
DS12887A+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
DS12887+ Analog Devices Inc./Maxim Integrated

DS12887+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

3,360
RFQ
DS12887+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 4V 15mA @ 4.5V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-EDIP
DS1501WZN+T&R Analog Devices Inc./Maxim Integrated

DS1501WZN+T&R

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

840
RFQ
DS1501WZN+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 3V ~ 3.6V 2.5V ~ 3.7V 4mA @ 3V ~ 3.6V -40°C ~ 85°C Surface Mount - - 28-SOIC
DS1501WZN+ Analog Devices Inc./Maxim Integrated

DS1501WZN+

IC RTC CLK/CALENDAR PAR 28SOIC

Analog Devices Inc./Maxim Integrated

1,266
RFQ
DS1501WZN+ 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 -40°C ~ 85°C Surface Mount - - 28-SOIC
M48T02-70PC1 STMicroelectronics

M48T02-70PC1

IC RTC CLK/CALENDAR PAR 24DIP

STMicroelectronics

1,001
RFQ
M48T02-70PC1 Datasheet

Datasheet

Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
DS1687-3+ Analog Devices Inc./Maxim Integrated

DS1687-3+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

253
RFQ
DS1687-3+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 2.7V ~ 3.7V 2.5V ~ 3.7V 2mA @ 3V 0°C ~ 70°C Through Hole - - 24-EDIP
M48T08Y-10MH1F STMicroelectronics

M48T08Y-10MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

2,086
RFQ
M48T08Y-10MH1F Datasheet

Datasheet

Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 3mA @ 4.5V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T35Y-70MH1F STMicroelectronics

M48T35Y-70MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

1,093
RFQ
M48T35Y-70MH1F Datasheet

Datasheet

Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 2mA @ 4.75V ~ 5.5V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T37V-10MH1F STMicroelectronics

M48T37V-10MH1F

IC RTC CLK/CALENDAR PAR 44SOH

STMicroelectronics

404
RFQ
M48T37V-10MH1F Datasheet

Datasheet

Timekeeper® 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT Tape & Reel (TR) Active Not Verified Clock/Calendar Alarm, Leap Year, Watchdog Timer - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 44-SOH
DS1687-5+ Analog Devices Inc./Maxim Integrated

DS1687-5+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

907
RFQ
DS1687-5+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V 0°C ~ 70°C Through Hole - - 24-EDIP
M48T35AV-10MH1F STMicroelectronics

M48T35AV-10MH1F

IC RTC CLK/CALENDAR PAR 28SOH

STMicroelectronics

1,124
RFQ
M48T35AV-10MH1F Datasheet

Datasheet

Timekeeper® 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets Tape & Reel (TR) Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 3V ~ 3.6V - 2mA @ 3V ~ 3.6V 0°C ~ 70°C Surface Mount - - 28-SOH
M48T02-150PC1 STMicroelectronics

M48T02-150PC1

IC RTC CLK/CALENDAR PAR 24DIP

STMicroelectronics

127
RFQ
M48T02-150PC1 Datasheet

Datasheet

Timekeeper® 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year - HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.75V ~ 5.5V - 3mA @ 4.7V ~ 5.5V 0°C ~ 70°C Through Hole - - 24-PCDIP, CAPHAT®
DS17287-5+ Analog Devices Inc./Maxim Integrated

DS17287-5+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

548
RFQ
DS17287-5+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 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 Through Hole - - 24-EDIP
DS1315-5+ Analog Devices Inc./Maxim Integrated

DS1315-5+

IC RTC PHANTOM CHIP PAR 16DIP

Analog Devices Inc./Maxim Integrated

146
RFQ
DS1315-5+ Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) 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 Through Hole - - 16-PDIP
DS1687-5IND+ Analog Devices Inc./Maxim Integrated

DS1687-5IND+

IC RTC CLK/CALENDAR PAR 24EDIP

Analog Devices Inc./Maxim Integrated

326
RFQ
DS1687-5IND+ Datasheet

Datasheet

- 24-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, NVSRAM, Square Wave Output, Y2K 242B HH:MM:SS (12/24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 2.5V ~ 3.7V 3mA @ 5V -40°C ~ 85°C Through Hole - - 24-EDIP
DS1511W+ Analog Devices Inc./Maxim Integrated

DS1511W+

IC RTC CLK/CALENDAR PAR 28EDIP

Analog Devices Inc./Maxim Integrated

4,296
RFQ
DS1511W+ Datasheet

Datasheet

- 28-DIP Module (0.600", 15.24mm) 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 Through Hole - - 28-EDIP
DS1554-70+ Analog Devices Inc./Maxim Integrated

DS1554-70+

IC RTC CLK/CALENDAR PAR 32EDIP

Analog Devices Inc./Maxim Integrated

396
RFQ
DS1554-70+ Datasheet

Datasheet

- 32-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V - 6mA @ 5V 0°C ~ 70°C Through Hole - - 32-EDIP
DS1744W-120IND+ Analog Devices Inc./Maxim Integrated

DS1744W-120IND+

IC RTC CLK/CALENDAR PAR 28EDIP

Analog Devices Inc./Maxim Integrated

796
RFQ
DS1744W-120IND+ Datasheet

Datasheet

- 28-DIP Module (0.600", 15.24mm) Tube Active Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 2.97V ~ 3.63V - 2mA @ 3.3V -40°C ~ 85°C Through Hole - - 28-EDIP
DS1744P-70+ Analog Devices Inc./Maxim Integrated

DS1744P-70+

IC RTC CLK/CALENDAR PAR 34PCM

Analog Devices Inc./Maxim Integrated

328
RFQ
DS1744P-70+ Datasheet

Datasheet

- 34-PowerCap™ Module Tray Active Not Verified Clock/Calendar Leap Year, NVSRAM, Y2K 32KB HH:MM:SS (24 hr) YY-MM-DD-dd Parallel 4.5V ~ 5.5V 3V 4mA @ 5V 0°C ~ 70°C Surface Mount - - 34-PowerCap Module
DS1243Y-120+ Analog Devices Inc./Maxim Integrated

DS1243Y-120+

IC RTC PHANTOM CHIP PAR 28EDIP

Analog Devices Inc./Maxim Integrated

2,399
RFQ
DS1243Y-120+ Datasheet

Datasheet

- 28-DIP Module (0.600", 15.24mm) 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 - 7mA @ 3.3V 0°C ~ 70°C Through Hole - - 28-EDIP
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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.