| Photo | Mfr. Part # | Availability | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
M48T35Y-70PC1IC RTC CLK/CALENDAR PAR 28DIP |
2,073 |
|
Datasheet |
Timekeeper® | 28-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 2mA @ 4.75V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 28-PCDIP, CAPHAT® |
|
DP8570AV/NOPBIC RTC TIMER PERIPH PAR 28PLCC |
3,369 |
|
Datasheet |
- | 28-LCC (J-Lead) | Tube | Active | Not Verified | Timer Clock Peripheral (TCP) | Alarm, Leap Year | 44B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.2V ~ 5.1V | 1µA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
|
|
DS1248Y-70IND+IC RTC PHANTOM CHIP PAR 32EDIP |
1,626 |
|
Datasheet |
- | 32-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Phantom Time Chip | NVSRAM | 128KB | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 10mA @ 5V | -40°C ~ 85°C | Through Hole | - | - | 32-EDIP |
|
R2061L01-E2IC RTC CLK/CALENDAR SER 16QFN |
1,025 |
|
Datasheet |
- | 16-XFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.34V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | QFN023023-16 |
|
R2223T-E2-FIC RTC CLK/CALENDAR I2C 10TSSOP |
3,247 |
|
Datasheet |
- | 10-VFSOP, 10-MSOP (0.110", 2.80mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.5V ~ 5.5V | - | 0.9µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-TSSOPG |
|
DS1685EN-5+IC RTC CLK/CALENDAR PAR 24TSSOP |
4,160 |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | 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 | Surface Mount | - | - | 24-TSSOP |
|
DS1672U-3+IC RTC BINARY COUNTER I2C 8UMAX |
3,044 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 3.63V | 500µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
|
M48T18-150PC1IC RTC CLK/CALENDAR PAR 28DIP |
2,059 |
|
Datasheet |
Timekeeper® | 28-DIP Module (0.600", 15.24mm) | Tube | 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 | Through Hole | - | - | 28-PCDIP, CAPHAT® |
|
DS1315N-5+IC RTC PHANTOM CHIP PAR 16DIP |
4,818 |
|
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 | -40°C ~ 85°C | Through Hole | - | - | 16-PDIP |
|
MAX31342EWA+TIC RTC CLK/CALENDAR I2C 8WLP |
4,911 |
|
Datasheet |
- | 8-WFBGA, WLBGA | 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 | 1.6V ~ 3.6V | - | 0.33µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 8-WLP (.97x1.97) |
|
MAX31331TETB+ULTRA-LOW POWER 12C REAL TIME CL |
1,103 |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tray | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD | I2C | 1.1V ~ 5.5V | 1.1V ~ 5.5V | 0.65µA ~ 0.7µA @ 1.1V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-TDFN (3x3) |
|
MAX31329NELB+INTEGRATED RC17 W/ NDK CRYSTAL |
1,784 |
|
Datasheet |
- | 10-LLGA | Tray | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 0.5µA ~ 0.7µA @ 1.6V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-LGA (5x5) |
|
MAX31328NELB+TINTEGRATED DS3231SN W/ NDK CRYST |
4,608 |
|
Datasheet |
- | 10-LLGA | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 3µA ~ 3.5µA @ 3V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-LGA (5x5) |
|
DS1685Q-5+IC RTC CLK/CALENDAR PAR 28PLCC |
4,691 |
|
Datasheet |
- | 28-LCC (J-Lead) | 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 | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
|
M48T08-150PC1IC RTC CLK/CALENDAR PAR 28DIP |
4,629 |
|
Datasheet |
Timekeeper® | 28-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, Watchdog Timer | - | 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 | - | - | 28-PCDIP, CAPHAT® |
|
PCF8564AU/5GB/1,01IC RTC CLOCK/CALENDAR I2C DIE |
4,074 |
|
Datasheet |
- | Die | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1V ~ 5.5V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | Die |
|
PCF8564AU/5BB/1,01IC RTC CLOCK/CALENDAR I2C DIE |
1,485 |
|
Datasheet |
- | Die | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1V ~ 5.5V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | Die |
|
PT7C4563BUEXIC RTC I2C SER 8MSOP T&R 2.5K |
2,201 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.85µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-MSOP |
|
PCF2123U/12HA/1,00IC RTC CLOCK/CALENDAR SPI DIE |
1,550 |
|
Datasheet |
- | Die | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.6V ~ 5.5V | - | 0.33µA ~ 0.38µA @ 2V ~ 5V | -40°C ~ 85°C | - | - | - | Die |
|
PCF8564AU/10AB/1,0IC RTC CLOCK/CALENDAR I2C DIE |
4,149 |
|
- |
- | Die | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1V ~ 5.5V | - | 0.6µA ~ 0.75µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | Die |
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.
| 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 |
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.
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.
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.
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.
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.
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.