- Manufacturer
- RoHS Status
- Package / Case
- Time Format
- Current - Timekeeping (Max)
- Date Format
- Features
- Interface
- Moisture Sensitivity Level (MSL)
- Mounting Type
- Operating Temperature
- Packaging
- Part Status
Attribute column
Categories
Clock/Timing - Real Time Clocks
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Factory Lead Time | Contact Plating | Mount | Mounting Type | Package / Case | Surface Mount | Number of Pins | Supplier Device Package | Weight | Operating Temperature | Packaging | Published | Series | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | ECCN Code | Type | Terminal Finish | Max Operating Temperature | Min Operating Temperature | HTS Code | Voltage - Supply | Terminal Position | Peak Reflow Temperature (Cel) | Supply Voltage | Terminal Pitch | Reach Compliance Code | Frequency | Time@Peak Reflow Temperature-Max (s) | Base Part Number | Pin Count | JESD-30 Code | Qualification Status | Operating Supply Voltage | Power Supplies | Temperature Grade | Interface | Max Supply Voltage | Min Supply Voltage | Memory Size | uPs/uCs/Peripheral ICs Type | Number of Bits | Clock Frequency | Access Time | Logic Function | External Data Bus Width | Number of Timers | Time Format | Date Format | Current - Timekeeping (Max) | Time-Min | Interrupt Capability | Voltage - Supply, Battery | Volatile | Information Access Method | Features | Height Seated (Max) | Length | Width | Radiation Hardening | REACH SVHC | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 RTC-4543SA:A0 EPSON | In Stock | - | Datasheet | - | - | Surface Mount | Surface Mount | 14-SOIC (0.209, 5.30mm Width) | - | 14 | 14-SOP | - | -40°C~85°C | Tape & Reel (TR) | - | - | - | - | Obsolete | 1 (Unlimited) | - | - | Clock/Calendar | - | 85°C | -40°C | - | 2.5V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3-Wire Serial | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 1μA~3μA @ 2V~5V | - | - | - | - | - | Leap Year | - | - | - | - | - | Non-RoHS Compliant | - | ||
 X1205S8IZ Intersil (Renesas Electronics America) | In Stock | - | Datasheet | - | - | Surface Mount | - | SOIC | - | 8 | - | - | - | - | 2005 | - | e3 | - | - | 5 (48 Hours) | 8 | EAR99 | - | MATTE TIN | 85°C | -40°C | - | - | DUAL | 260 | 5V | 1.27mm | - | - | 40 | - | 8 | - | Not Qualified | - | 3/5V | INDUSTRIAL | - | 5.5V | 2.7V | - | TIMER, REAL TIME CLOCK | - | 0.032MHz | - | - | - | - | HH:MM:SS | - | - | SECONDS | Y | - | YES | I2C | - | 1.75mm | 4.9mm | 3.9mm | - | - | RoHS Compliant | - | ||
 R2221T-E2-F RICOH Electronic Devices Co., LTD. | In Stock | - | Datasheet | 9 Weeks | - | - | Surface Mount | 10-VFSOP, 10-MSOP (0.110, 2.80mm Width) | - | - | 10-TSSOPG | - | -40°C~85°C | Tape & Reel (TR) | - | - | - | - | Active | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | 1.5V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | Clock | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.9μA @ 3V | - | - | - | - | - | Alarm, Leap Year, RAM | - | - | - | - | - | RoHS Compliant | Lead Free | ||
 ISL1220IUZ-T Intersil (Renesas Electronics America) | In Stock | - | Datasheet | 5 Weeks | - | Surface Mount | - | MSOP | - | 10 | - | - | - | Digi-Reel® | 2001 | - | e3 | - | Active | 2 (1 Year) | 8 | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | 8542.39.00.01 | - | DUAL | 260 | 3V | 0.5mm | - | - | 40 | - | 10 | S-PDSO-G8 | - | - | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | 8B | - | - | 0.032MHz | - | Clock | - | - | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | NO | I2C | - | 0.65mm | 4.4mm | 1.2mm | No | Unknown | RoHS Compliant | Lead Free | ||
 NJU6355ED NJR Corporation/NJRC | In Stock | - | Datasheet | 12 Weeks | - | - | Through Hole | 8-DIP (0.300, 7.62mm) | - | - | 8-DIP | - | -30°C~80°C | Tube | 2005 | - | - | - | Active | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | 4.5V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4-Wire Serial | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4μA~15μA @ 2V~5V | - | - | - | - | - | Leap Year | - | - | - | - | - | RoHS Compliant | - | ||
 BQ4802LYPWRG4 Texas Instruments | In Stock | - | Datasheet | - | - | Surface Mount | - | TSSOP | - | 28 | - | 117.508773mg | - | Tape & Reel (TR) | - | - | e4 | yes | - | 1 (Unlimited) | 28 | EAR99 | - | Nickel/Palladium/Gold (Ni/Pd/Au) | 70°C | 0°C | 8542.39.00.01 | - | DUAL | 260 | 3.3V | 0.65mm | - | - | - | - | 28 | - | - | 3.3V | - | COMMERCIAL | Parallel | 3.6V | 2.7V | - | - | - | 0.032MHz | - | Clock | 8 | 1 | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | NO | - | - | 1.2mm | 9.7mm | 4.4mm | No | - | RoHS Compliant | Contains Lead | ||
 RV5C348A-E2-F RICOH Electronic Devices Co., LTD. | 11 | - | Datasheet | 9 Weeks | - | - | Surface Mount | 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) | - | - | 10-SSOP-G | - | -40°C~85°C | Tape & Reel (TR) | - | - | - | - | Active | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | 2V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4-Wire Serial | - | - | - | - | - | - | - | Clock | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1μA @ 3V | - | - | - | - | - | Alarm, Leap Year | - | - | - | - | - | RoHS Compliant | - | ||
 BQ4285S-SB2 Texas Instruments | In Stock | - | Datasheet | - | Gold | Surface Mount | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | - | 24 | - | 624.398247mg | 0°C~70°C | Tube | - | - | e4 | - | Obsolete | 1 (Unlimited) | 24 | EAR99 | Clock/Calendar | - | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 260 | 5V | 1.27mm | - | - | - | BQ4285 | 24 | - | - | 5V | 5V | - | Parallel | - | - | 114B | - | - | 0.032MHz | - | Clock | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | SECONDS | Y | 2.5V~4V | NO | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2.65mm | 15.4mm | 7.5mm | No | - | ROHS3 Compliant | Lead Free | ||
 ISL12028IVZ Intersil (Renesas Electronics America) | 6247 |
| Datasheet | - | - | Surface Mount | - | TSSOP | - | 14 | - | - | - | - | 2005 | - | e3 | - | Active | 1 (Unlimited) | 14 | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | 8542.39.00.01 | - | DUAL | 260 | 3.3V | 0.65mm | - | - | 40 | - | - | - | - | 3.3V | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | - | - | - | 0.032MHz | - | Clock | - | - | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | YES | I2C | - | 1.2mm | 5mm | 4.4mm | No | - | RoHS Compliant | - | ||
 M48T37Y-70MH6F STMicroelectronics | In Stock | - | Datasheet | - | - | Surface Mount | Surface Mount | 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT | - | 44 | - | - | -40°C~85°C | Tape & Reel (TR) | - | Timekeeper® | - | - | Obsolete | 1 (Unlimited) | 44 | EAR99 | Clock/Calendar | - | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 260 | 5V | 0.81mm | - | 70GHz | 10 | M48T37 | 44 | - | Not Qualified | 5V | 5V | - | Parallel | - | - | 250kB | - | 8 | - | 70 ns | Clock | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3mA @ 4.5V~5.5V | SECONDS | Y | - | NO | - | Alarm, Leap Year, Watchdog Timer | 3.05mm | 18.1mm | 8.56mm | - | - | ROHS3 Compliant | Lead Free | ||
 S-35391A-I8T1U ABLIC U.S.A. Inc. | 5000 | - | Datasheet | 18 Weeks | - | - | Surface Mount | 8-SMD, Flat Lead | YES | - | - | - | -40°C~85°C | Tape & Reel (TR) | - | - | - | yes | Active | 1 (Unlimited) | 8 | - | Clock/Calendar | - | - | - | - | 1.3V~5.5V | DUAL | - | 3V | 0.5mm | unknown | - | - | - | - | R-PDSO-F8 | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | 0.4MHz | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 14μA~30μA @ 3V~5V | - | - | - | - | SERIAL, 2-WIRE/I2C | Alarm, Leap Year | 0.5mm | 2.23mm | 1.97mm | - | - | RoHS Compliant | - | ||
 RTC-4574SA:B ROHS EPSON | In Stock | - | Datasheet | - | - | - | Surface Mount | 14-SOIC (0.209, 5.30mm Width) | - | - | 14-SOP | - | -40°C~85°C | Bulk | - | RTC-4574SA | - | - | Obsolete | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | 1.6V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3-Wire Serial | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 1μA~2μA @ 3V~5V | - | - | - | - | - | Alarm, Leap Year | - | - | - | - | - | - | - | ||
 DS1746W-120IND Maxim Integrated | 65 | - | Datasheet | 6 Weeks | - | - | Through Hole | 32-DIP Module (0.600, 15.24mm) | NO | 32 | - | - | -40°C~85°C | Tube | 2012 | - | e3 | yes | Active | 1 (Unlimited) | 32 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 2.97V~3.63V | DUAL | NOT SPECIFIED | 3.3V | 2.54mm | - | - | NOT SPECIFIED | DS1746 | 32 | - | Not Qualified | - | 3.3V | - | Parallel | - | - | 128KB | - | - | - | - | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2mA @ 3.3V | SECONDS | N | - | NO | - | Leap Year, NVSRAM, Y2K | 10.922mm | 43.053mm | 15.24mm | - | - | ROHS3 Compliant | Lead Free | ||
 DS17487-5 Maxim Integrated | In Stock | - | Datasheet | 6 Weeks | - | - | Through Hole | 24-DIP Module (0.600, 15.24mm) | NO | 24 | - | - | 0°C~70°C | Tube | 2000 | - | e3 | yes | Active | 1 (Unlimited) | 24 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | NOT SPECIFIED | 5V | 2.54mm | not_compliant | - | NOT SPECIFIED | DS17487 | 24 | - | Not Qualified | - | 5V | - | Parallel | - | - | 4KB | - | - | 0.032MHz | - | - | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3mA @ 4.5V~5.5V | SECONDS | Y | 2.5V~3.7V | NO | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 9.398mm | 33.782mm | - | - | - | ROHS3 Compliant | Lead Free | ||
 DS1746P-70 Maxim Integrated | In Stock | - | Datasheet | 10 Weeks | - | - | Surface Mount | 34-PowerCap™ Module | YES | 34 | - | - | 0°C~70°C | Tube | 2012 | - | e3 | yes | Active | 3 (168 Hours) | 34 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 4.5V~5.5V | DUAL | 260 | 5V | 1.27mm | not_compliant | - | NOT SPECIFIED | DS1746 | 34 | - | Not Qualified | - | 5V | - | Parallel | - | - | 128KB | - | - | 0.032MHz | - | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 5V | SECONDS | N | 3V | NO | - | Leap Year, NVSRAM, Y2K | 2.3368mm | 25.019mm | 23.495mm | - | - | ROHS3 Compliant | Lead Free | ||
DS1556W-120 Maxim Integrated | In Stock | - | Datasheet | 10 Weeks | - | Through Hole | Through Hole | 32-DIP Module (0.600, 15.24mm) | - | 32 | - | - | 0°C~70°C | Tube | 2003 | - | e3 | yes | Active | 1 (Unlimited) | 32 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 2.97V~3.63V | DUAL | - | 3.3V | 2.54mm | - | - | - | DS1556 | 32 | - | - | 3.3V | - | - | Parallel | - | - | 128KB | - | - | - | - | Clock | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 3.3V | SECONDS | Y | - | NO | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 10.922mm | 43.053mm | 15.24mm | No | - | ROHS3 Compliant | Lead Free | ||
DS1251Y-70 Maxim Integrated | 1000 | - | Datasheet | 10 Weeks | Tin | Through Hole | Through Hole | 32-DIP Module (0.600, 15.24mm) | - | 32 | - | - | 0°C~70°C | Tube | 2011 | - | e3 | yes | Active | 1 (Unlimited) | 32 | 3A991.B.2.A | Phantom Time Chip | - | - | - | 8473.30.11.40 | 4.5V~5.5V | DUAL | 260 | 5V | 2.54mm | - | 70GHz | - | DS1251 | 32 | - | - | 5V | 5V | - | Parallel | - | - | 512KB | - | - | - | 70 ns | Clock | 8 | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10mA @ 5V | 1/100SECOND | N | - | NO | - | Leap Year, NVSRAM | 10.922mm | 43.053mm | 15.24mm | No | Unknown | ROHS3 Compliant | Lead Free | ||
DS1248Y-70IND Maxim Integrated | In Stock | - | Datasheet | 10 Weeks | - | - | Through Hole | 32-DIP Module (0.600, 15.24mm) | NO | 32 | - | - | -40°C~85°C | Tube | 2012 | - | e3 | yes | Active | 1 (Unlimited) | 32 | 3A991.B.2.A | Phantom Time Chip | Matte Tin (Sn) | - | - | 8473.30.11.40 | 4.5V~5.5V | DUAL | 260 | 5V | 2.54mm | - | - | NOT SPECIFIED | DS1248 | 32 | - | Not Qualified | - | 5V | - | Parallel | - | - | 128KB | - | - | - | - | - | 8 | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10mA @ 5V | 1/100SECOND | N | - | NO | - | NVSRAM | 10.922mm | 43.053mm | 15.24mm | - | - | ROHS3 Compliant | Lead Free | ||
DS1557P-70IND Maxim Integrated | 1000 | - | Datasheet | 10 Weeks | - | Surface Mount | Surface Mount | 34-PowerCap™ Module | - | 34 | - | - | -40°C~85°C | Tube | 2003 | - | e3 | yes | Active | 3 (168 Hours) | 34 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 4.5V~5.5V | DUAL | - | 5V | - | - | - | - | DS1557 | 34 | - | - | 5V | 5V | - | Parallel | - | - | 512KB | - | - | 0.032MHz | - | Clock | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | SECONDS | Y | 3V | NO | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | - | - | No | - | ROHS3 Compliant | Lead Free | ||
DS1244WP-120 Maxim Integrated | In Stock | - | Datasheet | 11 Weeks | - | - | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | 0°C~70°C | Tray | 2011 | - | e3 | yes | Active | 3 (168 Hours) | 34 | EAR99 | Phantom Time Chip | Matte Tin (Sn) | - | - | 8473.30.11.40 | 2.97V~3.63V | DUAL | NOT SPECIFIED | 3.3V | 1.27mm | not_compliant | - | NOT SPECIFIED | DS1244 | 34 | R-XDMA-U34 | Not Qualified | - | 3.3V | - | Parallel | - | - | 32KB | - | - | - | - | - | 8 | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 7mA @ 3.3V | 1/100SECOND | N | 3V | NO | - | Leap Year, NVSRAM | 6.858mm | 25.019mm | 23.495mm | - | - | ROHS3 Compliant | Lead Free |