- 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 | Mount | Mounting Type | Package / Case | Surface Mount | Number of Pins | Supplier Device Package | Weight | Memory Types | Operating Temperature | Packaging | Published | Series | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | Termination | 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 | Number of Outputs | Qualification Status | Operating Supply Voltage | Power Supplies | Temperature Grade | Interface | Max Supply Voltage | Min Supply Voltage | Memory Size | RAM Size | Number of Bits | Clock Frequency | Access Time | Logic Function | External Data Bus Width | Number of Timers | Time Format | Non-Volatile Memory | Date Format | Current - Timekeeping (Max) | Time-Min | Interrupt Capability | Voltage - Supply, Battery | Volatile | Information Access Method | Features | Height | Height Seated (Max) | Length | Width | Radiation Hardening | REACH SVHC | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 DS17885S-5 Maxim Integrated | 19 | - | Datasheet | 7 Weeks | - | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | YES | - | - | - | - | 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 | 1.27mm | - | - | NOT SPECIFIED | DS17885 | 24 | R-PDSO-G24 | - | Not Qualified | - | 5V | - | Parallel | - | - | 8KB | - | - | 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 | YES | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | 2.67mm | 17.9mm | 7.5mm | - | - | ROHS3 Compliant | Lead Free | ||
 DS1557WP-120IND Maxim Integrated | 1000 | - | Datasheet | 10 Weeks | Surface Mount | Surface Mount | 34-PowerCap™ Module | - | 34 | - | - | - | -40°C~85°C | Tray | 2003 | - | e3 | yes | Active | 3 (168 Hours) | 34 | - | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 2.97V~3.63V | DUAL | - | 3.3V | - | - | - | - | DS1557 | 34 | - | - | - | 3.3V | - | - | Parallel | - | - | 512KB | - | - | 0.032MHz | - | Clock | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 4mA @ 3.3V | SECONDS | Y | 3V | NO | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | - | - | - | No | - | ROHS3 Compliant | Lead Free | ||
DS1554WP-120 Maxim Integrated | In Stock | - | Datasheet | 6 Weeks | - | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | - | 0°C~70°C | Tray | 2010 | - | e3 | yes | Active | 3 (168 Hours) | 34 | - | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 2.97V~3.63V | DUAL | 245 | 3.3V | 1.27mm | not_compliant | - | 40 | DS1554 | 34 | R-XDMA-U34 | - | Not Qualified | - | 3.3V | - | Parallel | - | - | 32KB | - | - | 0.032MHz | - | - | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 4mA @ 3.3V | SECONDS | Y | 3V | NO | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | 2.3368mm | 25.019mm | 23.495mm | - | - | ROHS3 Compliant | Lead Free | ||
 DS1746-70IND Maxim Integrated | In Stock | - | Datasheet | 6 Weeks | Through Hole | Through Hole | 32-DIP Module (0.600, 15.24mm) | - | 32 | - | - | - | -40°C~85°C | Tube | 2012 | - | e3 | yes | Active | 1 (Unlimited) | 32 | - | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 4.5V~5.5V | DUAL | - | 5V | 2.54mm | - | - | - | DS1746 | 32 | - | - | - | 5V | 5V | - | Parallel | - | - | 128KB | - | - | - | - | Clock | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 4mA @ 5V | SECONDS | N | - | NO | - | Leap Year, NVSRAM, Y2K | - | 10.922mm | 43.053mm | 15.24mm | No | - | ROHS3 Compliant | Lead Free | ||
 DS1315E-5 Maxim Integrated | In Stock | - | Datasheet | 8 Weeks | - | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | YES | - | - | - | - | 0°C~70°C | Tube | 2011 | - | e3 | yes | Active | 1 (Unlimited) | 20 | - | EAR99 | Phantom Time Chip | Matte Tin (Sn) | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 260 | 5V | 0.65mm | - | - | 30 | DS1315 | 20 | R-PDSO-G20 | - | Not Qualified | - | 5V | - | Parallel | - | - | - | - | - | 0.032MHz | - | - | - | - | HH:MM:SS:hh (12/24 hr) | - | YY-MM-DD-dd | 1.3mA @ 5V | 1/100SECOND | N | 2.5V~3.7V | YES | SERIAL, FIXED PROTOCOL | Leap Year | - | 1.1mm | 6.5mm | 4.4mm | - | - | ROHS3 Compliant | Lead Free | ||
 DS1742-100IND Maxim Integrated | 100 | - | Datasheet | - | Through Hole | Through Hole | 24-DIP Module (0.600, 15.24mm) | - | 24 | - | - | - | -40°C~85°C | Tube | 2012 | - | e3 | yes | Obsolete | 1 (Unlimited) | 24 | - | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 4.5V~5.5V | DUAL | 260 | 5V | 2.54mm | - | - | - | DS1742 | 24 | - | - | - | 5V | 5V | - | Parallel | - | - | 2KB | - | - | 0.032MHz | - | Clock | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 3mA @ 5V | SECONDS | N | - | NO | - | Leap Year, NVSRAM, Y2K | - | 8.51mm | 37.595mm | - | No | Unknown | ROHS3 Compliant | Lead Free | ||
 DS1744W-120IND Maxim Integrated | 92 | - | Datasheet | 9 Weeks | - | Through Hole | 28-DIP Module (0.600, 15.24mm) | NO | 28 | - | - | - | -40°C~85°C | Tube | 2012 | - | e3 | yes | Active | 1 (Unlimited) | 28 | - | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | 8473.30.11.80 | 2.97V~3.63V | DUAL | NOT SPECIFIED | 3.3V | 2.54mm | - | - | NOT SPECIFIED | DS1744 | 28 | - | - | Not Qualified | - | 3.3V | - | Parallel | - | - | 32KB | - | - | 0.032MHz | - | - | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 2mA @ 3.3V | SECONDS | N | - | NO | - | Leap Year, NVSRAM, Y2K | - | 10.668mm | 38.227mm | 15.24mm | - | - | ROHS3 Compliant | Lead Free | ||
DS1251W-120 Maxim Integrated | In Stock | - | Datasheet | 9 Weeks | 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 | Matte Tin (Sn) | - | - | 8473.30.11.40 | 2.97V~3.63V | DUAL | - | 3.3V | 2.54mm | - | 120GHz | - | DS1251 | 32 | - | - | - | - | 3.3V | - | Parallel | - | - | 512KB | - | - | - | 120 ns | Clock | 8 | - | HH:MM:SS:hh (12/24 hr) | - | YY-MM-DD-dd | 7mA @ 3.3V | 1/100SECOND | N | - | NO | - | Leap Year, NVSRAM | - | 10.922mm | 43.053mm | 15.24mm | No | - | ROHS3 Compliant | Lead Free | ||
 DS1315S-33 Maxim Integrated | In Stock | - | Datasheet | 6 Weeks | Surface Mount | Surface Mount | 16-SOIC (0.295, 7.50mm Width) | - | 16 | - | 665.986997mg | - | 0°C~70°C | Tube | 2011 | - | e3 | yes | Active | 1 (Unlimited) | 16 | - | EAR99 | Phantom Time Chip | MATTE TIN | - | - | 8542.39.00.01 | 3V~3.6V | DUAL | 260 | 3.3V | 1.27mm | - | - | 30 | DS1315 | 16 | - | - | - | 3.3V | - | - | Parallel | - | - | - | - | - | 0.032MHz | - | Clock | - | - | HH:MM:SS:hh (12/24 hr) | - | YY-MM-DD-dd | 1.1mA @ 3.3V | 1/100SECOND | N | 2.5V~3.7V | YES | SERIAL, FIXED PROTOCOL | Leap Year | - | 2.65mm | 10.3mm | 7.5mm | No | Unknown | ROHS3 Compliant | Lead Free | ||
 S-35190A-J8T1U ABLIC U.S.A. Inc. | 2950 | - | Datasheet | 18 Weeks | - | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | - | -40°C~85°C | Tape & Reel (TR) | - | - | e3 | - | Active | 1 (Unlimited) | 8 | - | EAR99 | Clock/Calendar | TIN | - | - | 8542.39.00.01 | 1.3V~5.5V | DUAL | - | 3V | 1.27mm | - | - | - | - | 8 | R-PDSO-G8 | - | Not Qualified | - | - | - | 3-Wire Serial | - | - | - | - | - | 0.032MHz | - | - | - | 1 | HH:MM:SS (12/24 hr) | - | YY-MM-DD-dd | 8μA~14μA @ 3V~5V | - | - | - | - | SERIAL, 3-WIRE | Alarm, Leap Year | - | 1.75mm | 5.02mm | 3.9mm | - | - | RoHS Compliant | - | ||
 PCF2129AT/1,512 NXP USA Inc. | In Stock | - | Datasheet | - | - | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | YES | - | - | - | - | -40°C~85°C | Tube | 2003 | - | e3 | - | Obsolete | 3 (168 Hours) | 20 | - | - | Clock/Calendar | MATTE TIN | - | - | 8542.39.00.01 | 1.8V~4.2V | DUAL | NOT SPECIFIED | - | 1.27mm | - | - | NOT SPECIFIED | PCF2129 | 20 | R-PDSO-G20 | - | Not Qualified | - | 2/4V | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | - | YY-MM-DD-dd | 1.5μA @ 3.3V | SECONDS | Y | 1.8V~4.2V | YES | SERIAL, 4 WIRE/SPI | Alarm, Leap Year, Square Wave Output, TCXO/Crystal, Watchdog Timer | - | - | - | - | - | - | ROHS3 Compliant | - | ||
 ISL12024IRTCZ Intersil (Renesas Electronics America) | 639 |
| Datasheet | 7 Weeks | Surface Mount | - | - | - | 8 | - | - | - | - | - | 1999 | - | e3 | - | Active | 1 (Unlimited) | 8 | - | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | - | - | DUAL | 260 | 3.3V | 0.65mm | - | - | 30 | - | 8 | - | - | - | 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 | - | NO | I2C | - | - | - | 3mm | 3mm | No | No SVHC | RoHS Compliant | - | ||
 M48T248Y-70PM1 STMicroelectronics | In Stock | - | Datasheet | - | Through Hole | Through Hole | 32-DIP Module (0.600, 15.24mm) | - | 32 | - | - | - | 0°C~70°C | Tube | - | Timekeeper® | e3 | - | Obsolete | 1 (Unlimited) | 32 | - | EAR99 | Phantom Time Chip | MATTE TIN | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 225 | 5V | 2.54mm | - | 70GHz | NOT SPECIFIED | M48T248 | 32 | - | - | Not Qualified | 5V | 5V | - | Parallel | - | - | 1000kB | - | - | - | 70 ns | Clock | 8 | - | HH:MM:SS:hh (12/24 hr) | - | YY-MM-DD-dd | 5mA @ 4.5V~5.5V | 1/100SECOND | N | - | NO | - | Leap Year | - | 9.52mm | 42.8mm | 15.24mm | - | - | ROHS3 Compliant | Lead Free | ||
 ISL12027IV27AZ Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | Surface Mount | 8-TSSOP (0.173, 4.40mm Width) | - | - | 8-TSSOP | - | - | -40°C~85°C | Tube | - | - | - | - | Obsolete | 1 (Unlimited) | - | - | - | Clock/Calendar | - | - | - | - | 2.7V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | - | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5.5V | - | - | 1.8V~5.5V | - | - | Alarm, Leap Year, Supervisor, Watchdog Timer | - | - | - | - | - | - | ROHS3 Compliant | - | ||
 BQ4845YS-A4NTRG4 Texas Instruments | In Stock | - | Datasheet | - | Surface Mount | - | SOIC | - | 28 | - | 730.794007mg | - | - | Tape & Reel (TR) | - | - | e4 | yes | - | 1 (Unlimited) | 28 | - | EAR99 | - | Nickel/Palladium/Gold (Ni/Pd/Au) | 85°C | -40°C | 8542.39.00.01 | - | DUAL | 260 | 5V | 1.27mm | - | - | - | - | 28 | - | - | - | 5V | 5V | INDUSTRIAL | Parallel | 5.5V | 4.5V | - | - | - | 0.032MHz | - | Clock | 8 | 1 | HH:MM:SS | - | YY-MM-DD-dd | - | SECONDS | Y | - | NO | - | - | - | 2.667mm | 17.9705mm | 7.5565mm | No | - | RoHS Compliant | Contains Lead | ||
 M41T56MH6E STMicroelectronics | In Stock | - | Datasheet | - | Surface Mount | Surface Mount | 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets | - | 28 | - | - | - | -40°C~85°C | Tube | - | - | - | - | Obsolete | 1 (Unlimited) | 28 | - | EAR99 | Clock/Calendar | - | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 260 | 5V | 1.27mm | - | - | 10 | M41T56 | 28 | - | - | Not Qualified | 5V | 5V | - | I2C, 2-Wire Serial | - | - | - | 56B | - | 0.032MHz | - | Clock | - | - | HH:MM:SS (24 hr) | 56 B | YY-MM-DD-dd | 100μA Typ @ 4.5V~5.5V | SECONDS | N | 2.5V~3.5V | - | I2C | Leap Year, NVSRAM | - | 3.05mm | 18.1mm | 8.56mm | - | - | ROHS3 Compliant | Lead Free | ||
 ISL12024IBZ Intersil (Renesas Electronics America) | 652 | - | Datasheet | 6 Weeks | Surface Mount | - | SOIC | - | 8 | - | - | EEPROM | - | - | 1999 | - | e3 | - | Active | 1 (Unlimited) | 8 | SMD/SMT | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | - | - | DUAL | 260 | 3.3V | - | - | 400kHz | 30 | - | - | - | 1 | - | 3.3V | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | 512B | - | - | - | - | Clock | - | - | HH:MM:SS | - | YY-MM-DD-dd | - | SECONDS | Y | - | NO | I2C | - | 1.5mm | - | 5mm | 4mm | No | No SVHC | RoHS Compliant | - | ||
 PT7C43190WE Diodes Incorporated | In Stock | - | Datasheet | 9 Weeks | - | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | - | -40°C~85°C | - | - | - | - | - | Last Time Buy | 1 (Unlimited) | 8 | - | EAR99 | Clock/Calendar | - | - | - | 8542.39.00.01 | 1.35V~5.5V | DUAL | - | 3V | 1.27mm | - | - | - | - | - | R-PDSO-G8 | - | Not Qualified | - | 3/5V | - | 3-Wire Serial | - | - | - | - | - | - | - | - | - | 1 | HH:MM:SS (12/24 hr) | - | YY-MM-DD-dd | 0.6μA~14μA @ 3V~5V | SECONDS | Y | - | NO | SERIAL, 3-WIRE | Alarm, Leap Year, Square Wave Output | - | 1.75mm | 4.9mm | 3.9mm | - | - | ROHS3 Compliant | - | ||
 RX8900SA:UCB PURE SN EPSON | 37 |
| Datasheet | 13 Weeks | - | Surface Mount | 14-SOIC (0.197, 5.00mm Width) | - | - | 14-SOP | - | - | -40°C~85°C | - | - | RX8900SA | - | - | Active | 1 (Unlimited) | - | - | - | Clock/Calendar | - | - | - | - | 2.5V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 1.4μA~1.5μA @ 3V~5V | - | - | 1.6V~5.5V | - | - | Alarm | - | - | - | - | - | - | ROHS3 Compliant | - | ||
 M48T37V-10MH6E STMicroelectronics | In Stock | - | Datasheet | - | Surface Mount | Surface Mount | 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT | - | - | - | - | - | -40°C~85°C | Tube | - | Timekeeper® | - | - | Obsolete | 1 (Unlimited) | 44 | - | EAR99 | Clock/Calendar | - | - | - | 8542.39.00.01 | 3V~3.6V | DUAL | 260 | 3.3V | 0.81mm | - | 100GHz | 10 | M48T37 | 44 | R-PDSO-G44 | - | Not Qualified | - | 3.3V | - | Parallel | - | - | 250kB | - | 8 | - | 100 ns | Clock | 8 | - | HH:MM:SS (24 hr) | - | YY-MM-DD-dd | 2mA @ 3V~3.6V | SECONDS | Y | - | NO | - | Alarm, Leap Year, Watchdog Timer | - | 3.05mm | 18.1mm | 8.56mm | - | - | Non-RoHS Compliant | Lead Free |