- Mounting Type
- Type
- Interface
- Moisture Sensitivity Level (MSL)
- Package / Case
- Packaging
- Part Status
- RoHS Status
- Time Format
- Voltage - Supply
- Operating Temperature
- Features
Attribute column
Manufacturer
Rochester Electronics Clock/Timing - Real Time Clocks
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Mounting Type | Package / Case | Surface Mount | Supplier Device Package | Operating Temperature (Max.) | Operating Temperature | Packaging | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | Type | Terminal Finish | Voltage - Supply | Terminal Position | Peak Reflow Temperature (Cel) | Supply Voltage | Terminal Pitch | Time@Peak Reflow Temperature-Max (s) | Pin Count | JESD-30 Code | Qualification Status | Temperature Grade | Interface | Memory Size | Clock Frequency | External Data Bus Width | Number of Timers | Time Format | Date Format | Current - Timekeeping (Max) | Voltage - Supply, Battery | Features | Height Seated (Max) | Length | Width | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 DS1244Y-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 | 1 (Unlimited) | 28 | Phantom Time Chip | TIN LEAD | 4.5V~5.5V | DUAL | 240 | 5V | 2.54mm | NOT SPECIFIED | 28 | R-PDIP-P28 | COMMERCIAL | - | Parallel | 32KB | - | 8 | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 10mA @ 5V | - | Leap Year, NVSRAM | 9.398mm | 38.862mm | 15.24mm | Non-RoHS Compliant | ||
 DS12C887A Rochester Electronics, LLC | In Stock | - | Datasheet | Through Hole | 24-DIP Module (0.600, 15.24mm) | NO | - | - | 0°C~70°C | Tube | e0 | no | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | TIN LEAD | 4.5V~5.5V | DUAL | 225 | 5V | 2.54mm | NOT SPECIFIED | 24 | R-PDIP-T24 | COMMERCIAL | - | Parallel | 113B | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 15mA @ 4.5V~5.5V | 2.5V~4V | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 9.398mm | 33.782mm | 15.24mm | Non-RoHS Compliant | ||
 DS1557P-70IND Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 34-PowerCap™ Module | YES | - | - | -40°C~85°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 | ||
 ISL12029AIB27Z Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 14-SOIC (0.154, 3.90mm Width) | - | 14-SOIC | - | -40°C~85°C | Tube | - | - | Obsolete | 2 (1 Year) | - | 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 | ||
 BQ4852YMC-85 Rochester Electronics, LLC | 1227 |
| - | - | - | - | - | - | - | - | - | - | Obsolete | 3 (168 Hours) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Non-RoHS Compliant | ||
 BQ4285EP Rochester Electronics, LLC | 7 |
| Datasheet | Through Hole | 24-DIP (0.600, 15.24mm) | - | 24-PDIP | - | 0°C~70°C | Tube | - | - | Obsolete | 3 (168 Hours) | - | Clock/Calendar | - | 4.5V~5.5V | - | - | - | - | - | - | - | - | - | Parallel | 114B | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 300μA @ 5V | 2.5V~4V | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | - | - | Non-RoHS Compliant | ||
 BQ3285LSS Rochester Electronics, LLC | 218 |
| - | Surface Mount | 24-SSOP (0.154, 3.90mm Width) | YES | - | 70°C | - | Tube | e0 | yes | Obsolete | 3 (168 Hours) | 24 | Clock/Calendar | TIN LEAD | 2.7V~3.6V | DUAL | NOT SPECIFIED | 3.15V | - | NOT SPECIFIED | - | R-PDSO-G24 | COMMERCIAL | COMMERCIAL | Parallel | 242B | - | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 2.4V~4V | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | - | - | Non-RoHS Compliant | ||
 DS1371U Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | - | 8-uMAX | - | -40°C~85°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Binary Counter | - | 1.7V~5.5V | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | - | Binary | Binary | 1.3μA @ 1.7V~5.5V | - | Alarm, Square Wave Output, Watchdog Timer | - | - | - | Non-RoHS Compliant | ||
 BQ4845YS-A4TR Rochester Electronics, LLC | In Stock | - | - | Surface Mount | 28-SOIC (0.295, 7.50mm Width) | - | 28-SOIC | - | 0°C~70°C | Tape & Reel (TR) | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | 4.5V~5.5V | - | - | - | - | - | - | - | - | - | Parallel | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 1.5mA Typ @ 4.5 V~5.5 V | 2.3V~4V | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | - | - | ROHS3 Compliant | ||
 BQ3285ESTR Rochester Electronics, LLC | In Stock | - | - | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | - | 24-SOIC | - | 0°C~70°C | Tape & Reel (TR) | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | 4.5V~5.5V | - | - | - | - | - | - | - | - | - | Parallel | 242B | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 300μA @ 5V | 2.5V~4V | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | - | - | ROHS3 Compliant | ||
BQ3285LDSSTR Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 24-SSOP (0.154, 3.90mm Width) | - | 24-SSOP/QSOP | - | 0°C~70°C | Tape & Reel (TR) | - | - | Obsolete | 2 (1 Year) | - | Clock/Calendar | - | 2.7V~5.5V | - | - | - | - | - | - | - | - | - | Parallel | 242B | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 100μA @ 3V | 2.4V~4V | Alarm, Daylight Savings, NVSRAM | - | - | - | ROHS3 Compliant | ||
 DS1302SN Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-SOIC (0.209, 5.30mm Width) | - | 8-SO | - | -40°C~85°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | 2V~5.5V | - | - | - | - | - | - | - | - | - | 3-Wire Serial | 31B | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.3μA~1μA @ 2V~5V | 2V~5.5V | Leap Year, NVSRAM, Trickle-Charger | - | - | - | Non-RoHS Compliant | ||
 ISL12028IV27Z Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | - | 14-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 | ||
ISL12028IV27Z-T Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 14-TSSOP (0.173, 4.40mm Width) | - | 14-TSSOP | - | -40°C~85°C | Tape & Reel (TR) | - | - | 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 | ||
 ISL12027IV30AZ 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 | ||
ISL12028IBZ Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 14-SOIC (0.154, 3.90mm Width) | - | 14-SOIC | - | -40°C~85°C | Tube | - | - | Obsolete | 2 (1 Year) | - | 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 | ||
ISL12027IV27AZ-T Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-TSSOP (0.173, 4.40mm Width) | - | 8-TSSOP | - | -40°C~85°C | Tape & Reel (TR) | - | - | 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 | ||
 ISL12027IB30AZ-T Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8-SOIC | - | -40°C~85°C | Tape & Reel (TR) | - | - | 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 | ||
ISL12027IVZ-T Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-TSSOP (0.173, 4.40mm Width) | - | 8-TSSOP | - | -40°C~85°C | Tape & Reel (TR) | - | - | 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 | ||
ISL12027IB27AZ Rochester Electronics, LLC | In Stock | - | Datasheet | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8-SOIC | - | -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 |