- 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 | Weight | Usage Level | 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 | Additional Feature | 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 | Number of Bits | Clock Frequency | Access Time | Logic Function | Screening Level | External Data Bus Width | RAM (words) | Number of Timers | Time Format | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 M41T0DS6F STMicroelectronics | 9780 | - | Datasheet | - | - | Surface Mount | Surface Mount | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | - | - | - | - | -40°C~85°C | Tape & Reel (TR) | - | - | e4 | - | Obsolete | 1 (Unlimited) | 8 | EAR99 | Clock/Calendar | Nickel/Palladium/Gold (Ni/Pd/Au) | - | - | - | 8542.39.00.01 | 2V~5.5V | DUAL | 260 | 3V | 0.65mm | - | - | 10 | M41T0 | 8 | S-PDSO-G8 | Not Qualified | - | 2.5/5V | - | I2C, 2-Wire Serial | - | - | - | - | 0.032MHz | - | Clock | - | - | - | - | HH:MM:SS | YY-MM-DD-dd | 1.2μA~31μA @ 3V~5.5V | SECONDS | N | - | YES | I2C | - | - | 1.1mm | 3mm | 3mm | - | - | ROHS3 Compliant | Lead Free | ||
 PT7C4307WEX Diodes Incorporated | 659 | - | Datasheet | 18 Weeks | - | Surface Mount | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8 | - | Industrial grade | -40°C~85°C | Tape & Reel (TR) | 2016 | - | - | - | Active | 3 (168 Hours) | 8 | EAR99 | Clock/Calendar | - | - | - | - | - | 4.5V~5.5V | DUAL | - | 5V | 1.27mm | - | - | - | PT7C4307 | - | - | Not Qualified | - | 5V | - | I2C, 2-Wire Serial | - | - | 56B | - | - | - | - | - | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.5mA @ 4.5V~5.5V | SECONDS | Y | 2V~3.5V | NO | I2C | Alarm, Leap Year, NVSRAM, Square Wave Output | - | 1.75mm | 4.9mm | 3.9mm | - | - | ROHS3 Compliant | - | ||
 PCF2123BS/1,512 NXP USA Inc. | In Stock | - | Datasheet | - | - | - | Surface Mount | 16-VFQFN Exposed Pad | YES | - | - | - | -40°C~85°C | Tube | 2010 | - | e3 | - | Discontinued | 3 (168 Hours) | 16 | - | Clock/Calendar | MATTE TIN | - | - | - | 8542.39.00.01 | 1.6V~5.5V | QUAD | NOT SPECIFIED | 2V | 0.5mm | - | - | NOT SPECIFIED | PCF2123 | 16 | S-PQCC-N16 | Not Qualified | - | 1.1/5.5V | - | SPI | - | - | - | - | 0.032MHz | - | - | - | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.33μA~0.38μA @ 2V~5V | SECONDS | Y | - | YES | SERIAL, 3-WIRE | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | 1mm | 3mm | 3mm | - | - | ROHS3 Compliant | - | ||
 MCP795W22T-I/ST Microchip Technology | 37 | - | Datasheet | 3 Weeks | - | Surface Mount | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | - | 14 | - | Industrial grade | -40°C~85°C | Tape & Reel (TR) | 2011 | - | e3 | - | Active | 1 (Unlimited) | 14 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ | 8542.39.00.01 | 1.8V~3.6V | DUAL | 260 | 5V | 0.65mm | - | - | 40 | MCP795W22 | 14 | - | - | - | 2/5V | - | SPI | - | - | 64B | 8 | 10MHz | - | Clock | - | - | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1μA @ 1.8V~5.5V | 1/100SECOND | Y | 1.3V~3.6V | NO | - | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | - | 1.2mm | 5mm | 4.4mm | No | - | ROHS3 Compliant | - | ||
 BQ3285EP Texas Instruments | 172 | - | Datasheet | - | Tin | Through Hole | Through Hole | 24-DIP (0.600, 15.24mm) | - | 24 | - | - | 0°C~70°C | Tube | - | - | e3 | yes | Obsolete | 1 (Unlimited) | 24 | EAR99 | Clock/Calendar | - | - | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | - | 5V | 2.54mm | - | - | - | BQ3285 | 24 | - | - | 5V | 5V | - | Parallel | - | - | 242B | - | 0.032MHz | - | Clock | - | 8 | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 300μA @ 5V | SECONDS | Y | 2.5V~4V | YES | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | 5.08mm | 31.75mm | - | No | - | ROHS3 Compliant | Lead Free | ||
MCP795W21T-I/ST Microchip Technology | 37 | - | Datasheet | 18 Weeks | - | Surface Mount | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | - | 14 | - | Industrial grade | -40°C~85°C | Tape & Reel (TR) | 2011 | - | e3 | - | Active | 1 (Unlimited) | 14 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ | 8542.39.00.01 | 1.8V~3.6V | DUAL | 260 | 5V | 0.65mm | - | - | 40 | MCP795W21 | 14 | - | - | - | 2/5V | - | SPI | - | - | 64B | 8 | 10MHz | - | Clock | - | - | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1μA @ 1.8V~5.5V | 1/100SECOND | Y | 1.3V~3.6V | NO | - | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | - | 1.2mm | 5mm | 4.4mm | No | - | ROHS3 Compliant | - | ||
 M48T512Y-70PM1 STMicroelectronics | 24 | - | 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 | Clock/Calendar | MATTE TIN | - | - | - | 8542.39.00.01 | 4.5V~5.5V | DUAL | 225 | 5V | 2.54mm | - | 70GHz | NOT SPECIFIED | M48T512 | 32 | - | Not Qualified | 5V | 5V | - | Parallel | - | - | 512kB | - | - | 70 ns | Clock | - | - | 524K | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 4.5V~5.5V | SECONDS | N | - | NO | - | Leap Year | 9.52mm | - | 43.18mm | 18.8mm | - | No SVHC | ROHS3 Compliant | Lead Free | ||
MCP795W12T-I/ST Microchip Technology | 21 | - | Datasheet | 18 Weeks | - | Surface Mount | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | - | 14 | - | Industrial grade | -40°C~85°C | Tape & Reel (TR) | 2011 | - | e3 | - | Active | 1 (Unlimited) | 14 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ | 8542.39.00.01 | 1.8V~3.6V | DUAL | 260 | 5V | 0.65mm | - | - | 40 | MCP795W12 | 14 | - | - | - | 2/5V | - | SPI | - | - | 64B | 8 | 10MHz | - | Clock | - | - | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1μA @ 1.8V~5.5V | 1/100SECOND | Y | 1.3V~3.6V | NO | - | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer | - | 1.2mm | 5mm | 4.4mm | No | - | ROHS3 Compliant | - | ||
 MCP79402T-I/ST Microchip Technology | 21 | - | Datasheet | 6 Weeks | - | Surface Mount | Surface Mount | 8-TSSOP (0.173, 4.40mm Width) | - | 8 | - | Automotive grade | -40°C~85°C | Tape & Reel (TR) | 2005 | - | e3 | - | Active | 1 (Unlimited) | 8 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | - | - | 1.8V~5.5V | DUAL | 260 | 2.5V | 0.65mm | - | - | 40 | MCP79402 | 8 | - | - | - | 2/5V | - | I2C, 2-Wire Serial | - | - | 64B | - | 0.4MHz | - | Clock | TS 16949 | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.2μA Typ @ 3.3V | SECONDS | Y | 1.3V~5.5V | NO | I2C | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID | - | 1.2mm | 4.4mm | 3mm | No | - | ROHS3 Compliant | - | ||
 PT7C4339UEX Diodes Incorporated | 200 | - | Datasheet | 20 Weeks | - | - | Surface Mount | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | - | - | - | - | -40°C~85°C TA | Tape & Reel (TR) | - | - | - | - | Active | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | - | 3V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD | 250μA @ 3V~5.5V | - | - | 1.3V~3.7V | - | - | Alarm, Leap Year, Square Wave Output | - | - | - | - | - | - | ROHS3 Compliant | - | ||
 BQ3285LFSS-A1G4 Texas Instruments | In Stock | - | Datasheet | - | Gold | Surface Mount | Surface Mount | 24-SSOP (0.154, 3.90mm Width) | - | 24 | 129.500622mg | - | 0°C~70°C | Tube | - | - | e4 | - | Obsolete | 2 (1 Year) | 24 | EAR99 | Clock/Calendar | - | - | - | - | 8542.39.00.01 | 2.7V~5.5V | DUAL | 260 | 3V | 0.635mm | - | - | - | BQ3285 | 24 | - | - | 3V | 3/5V | - | Parallel | - | - | 242B | - | 0.032MHz | - | Clock | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 100μA @ 3V | SECONDS | Y | 2.4V~4V | NO | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 1.5mm | - | 8.75mm | 4mm | No | - | ROHS3 Compliant | Lead Free | ||
 ISL12008IB8Z Intersil (Renesas Electronics America) | 264 |
| Datasheet | 5 Weeks | - | Surface Mount | - | SOIC | - | 8 | - | - | - | - | 2008 | - | e3 | - | Active | 1 (Unlimited) | 8 | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | - | - | - | DUAL | 260 | 3V | 1.27mm | - | - | 30 | - | 8 | - | - | - | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | - | - | 0.032MHz | - | Clock | - | - | - | - | HH:MM:SS:hh | YY-MM-DD-dd | - | SECONDS | Y | - | NO | I2C | - | - | 1.75mm | 4.9mm | 3.9mm | No | - | RoHS Compliant | Lead Free | ||
 DS1747-70 Maxim Integrated | In Stock | - | Datasheet | 9 Weeks | - | - | Through Hole | 32-DIP Module (0.600, 15.24mm) | NO | 32 | - | - | 0°C~70°C | Tube | 2012 | - | e3 | yes | Active | 1 (Unlimited) | 32 | EAR99 | Clock/Calendar | Matte Tin (Sn) | - | - | - | 8473.30.11.80 | 4.5V~5.5V | DUAL | 260 | 5V | 2.54mm | not_compliant | - | NOT SPECIFIED | DS1747 | 32 | - | Not Qualified | - | 5V | - | Parallel | - | - | 512KB | - | - | - | - | - | 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 | - | - | ROHS3 Compliant | Lead Free | ||
 BQ4845S-A4G4 Texas Instruments | In Stock | - | Datasheet | - | Gold | Surface Mount | Surface Mount | 28-SOIC (0.295, 7.50mm Width) | - | 28 | 730.794007mg | - | 0°C~70°C | Tube | - | - | e4 | - | Obsolete | 1 (Unlimited) | 28 | EAR99 | Clock/Calendar | - | - | - | - | 8542.39.00.01 | 4.75V~5.5V | DUAL | 260 | 5V | 1.27mm | - | - | - | BQ4845 | 28 | - | - | 5V | 5V | - | Parallel | - | - | - | - | 0.032MHz | - | Clock | - | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.5mA Typ @ 4.5 V~5.5 V | SECONDS | Y | 2.3V~4V | NO | - | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | 2.35mm | - | 18mm | 7.52mm | No | - | ROHS3 Compliant | Lead Free | ||
 BU9873F-GTE2 ROHM Semiconductor | 2500 | - | - | 11 Weeks | - | Surface Mount | Surface Mount | 8-SOIC (0.173, 4.40mm Width) | - | 8 | - | - | -40°C~85°C | Cut Tape (CT) | 2013 | - | - | - | Active | 1 (Unlimited) | 8 | EAR99 | Clock/Calendar | - | - | - | SEATED-HGT CALCULATED | - | 1.8V~5.5V | DUAL | NOT SPECIFIED | 3V | 1.27mm | - | - | NOT SPECIFIED | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1μA~1.35μA @ 3V~5.5V | - | - | - | - | I2C | Alarm, Leap Year | - | 1.71mm | 5mm | 4.4mm | - | - | ROHS3 Compliant | - | ||
 MCP79402T-I/SN Microchip Technology | 21 | - | Datasheet | 6 Weeks | - | Surface Mount | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8 | - | Automotive grade | -40°C~85°C | Tape & Reel (TR) | 2011 | - | e3 | - | Active | 1 (Unlimited) | 8 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | - | - | 1.8V~5.5V | DUAL | 260 | 2.5V | 1.27mm | - | - | 40 | MCP79402 | 8 | - | - | - | 2/5V | - | I2C, 2-Wire Serial | - | - | 64B | - | 0.4MHz | - | Clock | TS 16949 | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.2μA Typ @ 3.3V | SECONDS | Y | 1.3V~5.5V | NO | I2C | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID | - | 1.75mm | 4.9mm | 3.9mm | No | - | ROHS3 Compliant | - | ||
 PCF85263ATT1/AJ NXP USA Inc. | 2500 |
| Datasheet | 7 Weeks | - | - | Surface Mount | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | YES | - | - | Industrial grade | -40°C~85°C | Tape & Reel (TR) | 2010 | - | - | - | Active | 1 (Unlimited) | 10 | EAR99 | Clock/Calendar | - | - | - | - | 8542.39.00.01 | 0.9V~5.5V | DUAL | NOT SPECIFIED | 3.3V | 0.5mm | - | - | NOT SPECIFIED | - | 10 | S-PDSO-G10 | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | 1 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 0.885μA @ 3.3V | - | - | 0.9V~5.5V | - | I2C | Alarm, Leap Year, Watchdog Timer | - | 1.1mm | 3mm | 3mm | - | - | ROHS3 Compliant | - | ||
PT7C4339WEX Diodes Incorporated | 617 |
| Datasheet | 20 Weeks | - | - | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | - | - | - | -40°C~85°C TA | Tape & Reel (TR) | 2015 | - | - | - | Active | 1 (Unlimited) | - | - | Clock/Calendar | - | - | - | - | - | 3V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | - | - | - | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD | 250μA @ 3V~5.5V | - | - | 1.3V~3.7V | - | - | Alarm, Leap Year, Square Wave Output | - | - | - | - | - | - | ROHS3 Compliant | - | ||
 MCP79402T-I/MNY Microchip Technology | 37 |
| Datasheet | 6 Weeks | - | Surface Mount | Surface Mount | 8-WFDFN Exposed Pad | - | 8 | - | Automotive grade | -40°C~85°C | Tape & Reel (TR) | 2011 | - | e4 | - | Active | 1 (Unlimited) | 8 | EAR99 | Clock/Calendar | Nickel/Palladium/Gold (Ni/Pd/Au) | - | - | - | - | 1.8V~5.5V | DUAL | 260 | 2.5V | 0.5mm | - | - | 40 | MCP79402 | 8 | - | - | - | 2/5V | - | I2C, 2-Wire Serial | - | - | 64B | - | 0.4MHz | - | Clock | TS 16949 | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.2μA Typ @ 3.3V | SECONDS | Y | 1.3V~5.5V | NO | I2C | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID | - | - | 3mm | 2mm | No | - | ROHS3 Compliant | - | ||
 MCP79522-I/MS Microchip Technology | 66 | - | Datasheet | 5 Weeks | - | - | Surface Mount | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) | YES | 10 | - | Industrial grade | -40°C~85°C | Tube | 2012 | - | e3 | - | Active | 1 (Unlimited) | 10 | EAR99 | Clock/Calendar | Matte Tin (Sn) - annealed | - | - | - | 8542.39.00.01 | 1.8V~3.6V | DUAL | 260 | 3V | 0.5mm | - | - | 40 | MCP79522 | - | - | - | - | - | - | SPI | - | - | 64B | - | 5MHz | - | Clock | - | - | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1μA @ 1.8V~3.6V | - | - | 1.3V~3.6V | - | - | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | 950μm | - | 3mm | 3mm | No | - | ROHS3 Compliant | Lead Free |