- 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 | Bus Type | ECCN (US) | HTS | Lead Shape | Maximum Operating Supply Voltage (V) | Maximum Operating Temperature (°C) | Mfr | Minimum Operating Supply Voltage (V) | Minimum Operating Temperature (°C) | Mounting | Package | Package Length | Package Width | PCB changed | Product Status | Standard Package Name | Supplier Package | Supplier Temperature Grade | Typical Operating Supply Voltage (V) | 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 | Time@Peak Reflow Temperature-Max (s) | Pin Count | JESD-30 Code | Function | Qualification Status | Operating Supply Voltage | Supply Voltage-Max (Vsup) | Power Supplies | Temperature Grade | Interface | Max Supply Voltage | Min Supply Voltage | Memory Size | uPs/uCs/Peripheral ICs Type | Clock Frequency | 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 | Height Seated (Max) | Length | Width | Thickness | Radiation Hardening | REACH SVHC | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 X1228V14I-4.5A Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | YES | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 14 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 2.7V~5.5V | DUAL | 240 | 5V | 0.65mm | - | 30 | 14 | R-PDSO-G14 | - | COMMERCIAL | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | 0.032MHz | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | - | - | 1.8V~5.5V | - | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | - | 1.2mm | 5mm | 4.4mm | - | - | - | Non-RoHS Compliant | - | ||
 DS1558W Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Surface Mount | 48-LQFP | YES | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tray | - | - | e0 | no | Obsolete | 3 (168 Hours) | 48 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 2.97V~3.63V | QUAD | 245 | 3.3V | 0.5mm | unknown | NOT SPECIFIED | 48 | S-PQFP-G48 | - | COMMERCIAL | - | - | - | - | Parallel | - | - | - | - | 0.032MHz | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2mA @ 3.3V | - | - | 2.5V~3.7V | - | - | Alarm, Leap Year, Watchdog Timer, Y2K | - | 1.2mm | 7mm | 7mm | - | - | - | Non-RoHS Compliant | - | ||
 DS1554-70 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Through Hole | 32-DIP Module (0.600, 15.24mm) | NO | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 32 | - | Clock/Calendar | TIN LEAD | - | - | IT CAN ALSO OPERATE WITH 5V | - | 4.5V~5.5V | DUAL | 240 | 5V | 2.54mm | - | NOT SPECIFIED | 32 | R-PDIP-P32 | - | COMMERCIAL | - | - | - | - | Parallel | - | - | 32KB | - | 0.032MHz | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | - | - | - | - | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | 9.27mm | 38.675mm | 15.24mm | - | - | - | Non-RoHS Compliant | - | ||
 X1288S16-4.5A Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Surface Mount | 16-SOIC (0.295, 7.50mm Width) | YES | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 16 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 4.5V~5.5V | DUAL | 240 | 5V | 1.27mm | - | NOT SPECIFIED | 16 | R-PDSO-G16 | - | COMMERCIAL | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | 0.032MHz | - | - | 1 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | - | - | 1.8V~5.5V | - | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | - | 2.65mm | 10.3mm | 7.5mm | - | - | - | Non-RoHS Compliant | - | ||
 DS1685-3 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Through Hole | 24-DIP (0.600, 15.24mm) | NO | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 24 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 2.7V~3.7V | DUAL | 240 | 3V | 2.54mm | - | 20 | 24 | R-PDIP-T24 | - | COMMERCIAL | - | - | - | - | Parallel | - | - | 242B | - | 0.032MHz | - | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2mA @ 3V | - | - | 2.5V~3.7V | - | - | Alarm, NVSRAM, Square Wave Output, Y2K | - | 5.08mm | 31.75mm | 15.24mm | - | - | - | Non-RoHS Compliant | - | ||
 X1227S8-2.7 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | YES | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 8 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 2.7V~5.5V | DUAL | 240 | 5V | 1.27mm | - | 30 | 8 | R-PDSO-G8 | - | COMMERCIAL | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | 0.032MHz | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 10μA~20μA @ 2.7V~5V | - | - | 1.8V~5.5V | - | I2C | Alarm, Leap Year, Supervisor, Watchdog Timer | - | 1.7272mm | 4.9022mm | 3.9116mm | - | - | - | Non-RoHS Compliant | - | ||
 DS1744-70 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Through Hole | 28-DIP Module (0.600, 15.24mm) | NO | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 3 (168 Hours) | 28 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 4.5V~5.5V | DUAL | 240 | 5V | 2.54mm | - | NOT SPECIFIED | 28 | R-XDMA-T28 | - | COMMERCIAL | - | - | - | - | Parallel | - | - | 32KB | - | 0.032MHz | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 4mA @ 5V | - | - | - | - | - | Leap Year, NVSRAM, Y2K | - | 10.42mm | 38.865mm | 15.24mm | - | - | - | Non-RoHS Compliant | - | ||
 DS1557P-70 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Surface Mount | 34-PowerCap™ Module | YES | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C~70°C | Tube | - | - | e0 | no | Obsolete | 3 (168 Hours) | 34 | - | Clock/Calendar | TIN LEAD | - | - | - | - | 4.5V~5.5V | DUAL | 240 | 5V | - | - | NOT SPECIFIED | 34 | R-XDMA-U34 | - | COMMERCIAL | - | - | - | - | Parallel | - | - | 512KB | - | 0.032MHz | - | 8 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 6mA @ 5V | - | - | 3V | - | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | - | - | - | - | - | - | - | Non-RoHS Compliant | - | ||
 DS1678 Rochester Electronics, LLC | In Stock | - | Datasheet | - | - | - | Through Hole | 8-DIP (0.300, 7.62mm) | NO | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tube | - | - | e0 | no | Obsolete | 1 (Unlimited) | 8 | - | Time Event Recorder | TIN LEAD | - | - | - | - | 4.5V~5.5V | DUAL | 245 | 5V | 2.54mm | - | NOT SPECIFIED | 8 | R-PDIP-T8 | - | COMMERCIAL | - | - | - | - | I2C, 2-Wire Serial | - | - | 32B | - | 0.032MHz | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | - | - | 2.6V~3.5V | - | I2C | Alarm, Leap Year, NVSRAM, Y2K | - | 4.572mm | 9.375mm | 7.62mm | - | - | - | Non-RoHS Compliant | - | ||
 RX-8581SA B0 ROHS Epson America, Inc | In Stock | - | - | - | - | - | - | - | - | - | - | Serial (I2C) | EAR99 | - | Gull-wing | 5.5 | 85 | - | 1.8 | -40 | Surface Mount | - | 10.1 | 5 | 14 | - | SOP | SOP | - | 3 | - | Tape and Reel | - | - | - | - | LTB | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 14 | - | Clock/Calendar/Alarm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | HH:MM:SS | DW:DM:M:Y | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Yes with exemptions | - | ||
 RA-4565SA B3 PURE SN Epson America, Inc | 24 |
| - | - | - | - | Surface Mount | 14-SOIC (0.197, 5.00mm Width) | - | - | 14-SOP | Serial (4-Wire, SPI) | EAR99 | 8542.39.00.01 | Gull-wing | 5.5 | 125 | EPSON | 1.6 | -40 | Surface Mount | Tape & Reel (TR) | 10.1 | 5 | 14 | Obsolete | SOP | SOP | Extended | 3 | -40°C ~ 125°C | Tape and Reel | - | Automotive, AEC-Q200 | - | - | Active | - | - | - | Clock/Calendar | - | - | - | - | - | 1.6V ~ 5.5V | - | - | - | - | - | - | 14 | - | Clock/Calendar/Alarm | - | - | - | - | - | SPI, 4-Wire Serial | - | - | - | - | - | - | - | - | HH:MM:SS | DW:DM:M:Y | 1.6µA ~ 2µA @ 3V ~ 5V | - | - | - | - | - | Alarm, Leap Year | - | - | - | - | - | - | - | Yes with exemptions | - | ||
 DS1339C-2 Maxim Integrated | In Stock | - | - | - | - | Surface Mount | - | SOIC | - | 16 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | e0 | no | - | 1 (Unlimited) | 16 | EAR99 | - | Tin/Lead (Sn/Pb) | 85°C | -40°C | - | 8542.39.00.01 | - | DUAL | 240 | 2V | 1.27mm | - | 20 | 16 | - | - | - | 2V | - | - | INDUSTRIAL | 2-Wire, I2C, Serial | 2.2V | 1.8V | - | - | 0.032MHz | Clock | - | 1 | HH:MM:SS | YY-MM-DD-dd | - | - | - | - | - | I2C | - | - | 2.65mm | 10.3mm | 7.5mm | - | No | - | RoHS Compliant | - | ||
 1338-31DVGI Integrated Device Technology (IDT) | In Stock | - | Datasheet | 7 Weeks | Tin | Surface Mount | - | MSOP | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2006 | - | e3 | yes | Active | 3 (168 Hours) | 8 | EAR99 | - | - | 85°C | -40°C | - | - | - | DUAL | 260 | - | 0.65mm | - | 30 | 8 | - | - | Not Qualified | - | - | 3.6/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 3.3V | 56B | - | 0.032MHz | Clock | - | 1 | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | N | - | NO | I2C | - | - | 1.1mm | 3mm | 3mm | 970μm | - | - | RoHS Compliant | Lead Free | ||
 ISL12027IBAZ-T Intersil (Renesas Electronics America) | 42 | - | Datasheet | - | - | Surface Mount | - | SOIC | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tape & Reel | 2010 | - | e3 | - | Active | 1 (Unlimited) | 8 | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | - | 8542.39.00.01 | - | DUAL | 260 | 3.3V | 1.27mm | - | 40 | 8, 8 | R-PDSO-G8 | - | - | 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 | - | - | 1.75mm | 4.9mm | 3.9mm | - | No | - | RoHS Compliant | - | ||
 1339-31DVGI Integrated Device Technology (IDT) | 10 | - | Datasheet | 7 Weeks | Tin | Surface Mount | - | TSSOP | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2006 | - | e3 | yes | Active | 3 (168 Hours) | 8 | EAR99 | - | - | 85°C | -40°C | - | - | - | DUAL | 260 | - | 0.65mm | - | 30 | 8 | - | - | - | 3.3V | - | 3.6/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.45V | - | - | 0.032MHz | Clock | - | 1 | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | YES | I2C | - | - | 1.1mm | 3mm | 3mm | 970μm | No | - | RoHS Compliant | Lead Free | ||
 1339-2DCGI8 Integrated Device Technology (IDT) | In Stock | - | Datasheet | 7 Weeks | Tin | Surface Mount | - | SOIC | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Tape & Reel | 2006 | - | - | - | Active | - | - | - | - | - | 85°C | -40°C | - | - | - | - | - | - | - | - | - | - | - | - | - | 2V | - | - | - | 2-Wire, I2C, Serial | 5.5V | 1.4V | - | - | - | Clock | - | - | HH:MM:SS | YY-MM-DD-dd | - | - | - | - | - | - | - | - | - | 4.9mm | 3.9mm | 1.5mm | - | - | RoHS Compliant | Lead Free | ||
 1339-2DCGI Integrated Device Technology (IDT) | In Stock | - | Datasheet | 7 Weeks | Tin | Surface Mount | - | SOIC | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2006 | - | e3 | yes | Active | 1 (Unlimited) | 8 | EAR99 | - | - | 85°C | -40°C | - | - | - | DUAL | 260 | 3.3V | 1.27mm | - | 30 | 8 | - | - | Not Qualified | 2V | - | 2.5/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 1.4V | - | - | 0.032MHz | Clock | - | 1 | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | YES | I2C | - | - | 1.75mm | 4.9mm | 3.9mm | 1.5mm | - | - | RoHS Compliant | Lead Free | ||
 ISL12027IB27Z Intersil (Renesas Electronics America) | 29 | - | Datasheet | - | - | Surface Mount | - | SOIC | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Bulk | 2010 | - | e3 | - | Active | 1 (Unlimited) | 8 | EAR99 | - | Matte Tin (Sn) - annealed | 85°C | -40°C | - | - | - | DUAL | 260 | 3.3V | 1.27mm | - | 40 | - | - | - | - | 3.3V | - | 3/5V | INDUSTRIAL | 2-Wire, I2C, Serial | 5.5V | 2.7V | 512B | - | 0.032MHz | Clock | - | - | HH:MM:SS | YY-MM-DD-dd | - | SECONDS | Y | - | NO | I2C | - | 1.5mm | - | 5mm | 4mm | - | No | No SVHC | RoHS Compliant | Lead Free | ||
 1339AC-31SRGI Integrated Device Technology (IDT) | In Stock | - | Datasheet | 7 Weeks | Tin | Surface Mount | - | SOIC | - | 16 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2006 | - | e3 | yes | Active | 3 (168 Hours) | 16 | EAR99 | - | - | 85°C | -40°C | - | 8542.39.00.01 | - | DUAL | 260 | - | 1.27mm | - | NOT SPECIFIED | 16 | - | - | Not Qualified | 3.3V | 5.5V | 3.3/5.5V | INDUSTRIAL | 2-Wire, I2C, Serial | - | - | - | - | 0.032MHz | Clock | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | SECONDS | Y | - | NO | I2C | - | 2.34mm | - | 10.4mm | 7.6mm | 2.34mm | - | - | RoHS Compliant | Lead Free | ||
 1337AGDCGI8 Integrated Device Technology (IDT) | In Stock | - | Datasheet | 7 Weeks | - | Surface Mount | - | SOIC | - | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2006 | - | e3 | yes | Active | 1 (Unlimited) | 8 | EAR99 | - | Matte Tin (Sn) | 85°C | -40°C | - | - | - | DUAL | 260 | 3.3V | 1.27mm | - | 30 | 8 | - | - | Not Qualified | - | 5.5V | 2/5V | INDUSTRIAL | 2-Wire, I2C, Serial | - | - | - | TIMER, REAL TIME CLOCK | 0.032MHz | - | - | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | SECONDS | Y | - | YES | I2C | - | - | 1.75mm | 4.9mm | 3.9mm | 1.5mm | - | - | RoHS Compliant | Lead Free |