- Integrated Circuits (ICs)
- Clock/Timing - Real Time Clocks
| 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 | Additional Feature | Voltage - Supply | Terminal Position | Terminal Form | Peak Reflow Temperature (Cel) | Supply Voltage | Terminal Pitch | Reach Compliance Code | Time@Peak Reflow Temperature-Max (s) | Pin Count | JESD-30 Code | Qualification Status | Supply Voltage-Max (Vsup) | Temperature Grade | Supply Voltage-Min (Vsup) | Interface | Memory Size | uPs/uCs/Peripheral ICs Type | External Data Bus Width | Time Format | Date Format | Current - Timekeeping (Max) | Voltage - Supply, Battery | Information Access Method | Features | Height Seated (Max) | Length | Width | RoHS Status | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
  | Mfr.BQ4850YMA-85Twicea699-476-BQ4850YMA-85 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Through Hole | 32-DIP Module (0.61, 15.49mm) | - | 32-DIP Module (18.42x42.8) | - | 0°C~70°C | Tray | - | - | Obsolete | 3 (168 Hours) | - | Clock/Calendar | - | - | 4.5V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | Parallel | - | - | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 1mA @ 4.5V~5.5V | - | - | Alarm | - | - | - | ROHS3 Compliant | ||
| BQ4850YMA-85 | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1254YB-100Twicea699-476-DS1254YB-100 | Rochester Electronics, LLC |
2M X 8 NV SRAM, PHANTOM CLOCK
| Min.:1 Mult.:1 | Surface Mount | 168-BGA | YES | - | - | 0°C~70°C | Tray | e0 | no | Obsolete | 3 (168 Hours) | 41 | Phantom Time Chip | TIN LEAD | - | 4.5V~5.5V | BOTTOM | - | NOT SPECIFIED | 5V | 1.27mm | - | NOT SPECIFIED | 41 | S-PBGA-B41 | COMMERCIAL | - | - | - | Parallel | 2MB | - | 8 | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 7mA @ 3.3V | 3V | - | Leap Year, NVSRAM | 5.92mm | 40mm | 40mm | Non-RoHS Compliant | ||
| DS1254YB-100 | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12025IVZTwicea699-476-ISL12025IVZ | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | 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, Unique ID, Watchdog Timer | - | - | - | ROHS3 Compliant | ||
| ISL12025IVZ | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12058IRUZ-TTwicea699-476-ISL12058IRUZ-T | Rochester Electronics, LLC |
REAL TIME CLOCK
| Min.:1 Mult.:1 | Surface Mount | 8-UFDFN | - | 8-μTDFN (2x2) | - | -40°C~85°C | Tape & Reel (TR) | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | - | 1.8V~3.6V | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.65μA @ 1.8V | - | - | Alarm, Leap Year | - | - | - | ROHS3 Compliant | ||
| ISL12058IRUZ-T | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12029IB27ZTwicea699-476-ISL12029IB27Z | Rochester Electronics, LLC |
REAL TIME CLOCK
| Min.:1 Mult.:1 | 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 | ||
| ISL12029IB27Z | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1251WP-120Twicea699-476-DS1251WP-120 | Rochester Electronics, LLC |
4096K NV SRAM & PHANTOM CLOCK
| Min.:1 Mult.:1 | - | - | YES | - | 70°C | - | - | e0 | no | Obsolete | 3 (168 Hours) | 34 | - | TIN LEAD | USE DS9034PCX TO ORDER POWERCAP | - | DUAL | J INVERTED | NOT SPECIFIED | 3.3V | - | unknown | NOT SPECIFIED | 34 | R-XDMA-U34 | COMMERCIAL | 3.63V | COMMERCIAL | 2.97V | - | - | TIMER, REAL TIME CLOCK | 8 | - | - | - | - | PARALLEL, DIRECT ADDRESS | - | - | - | - | Non-RoHS Compliant | ||
| DS1251WP-120 | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12030IBZTwicea699-476-ISL12030IBZ | Rochester Electronics, LLC |
RTC, VOLATILE
| Min.:1 Mult.:1 | 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 | 128B | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 18μA @ 5.5V | - | - | Alarm, Daylight Savings, SRAM | - | - | - | ROHS3 Compliant | ||
| ISL12030IBZ | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1337UTwicea699-476-DS1337U | Rochester Electronics, LLC |
DS1337 I2C SERIAL RTC
| Min.:1 Mult.:1 | Surface Mount | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) | - | 8-uMAX | - | -40°C~85°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | - | 1.8V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.6μA @ 1.3V~1.8V | - | - | Alarm, Leap Year, Square Wave Output | - | - | - | Non-RoHS Compliant | ||
| DS1337U | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.BQ4285LSTwicea699-476-BQ4285LS | Rochester Electronics, LLC |
RTC, VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 24-SOIC (0.295, 7.50mm Width) | - | 24-SOIC | - | - | Tube | - | - | Obsolete | 3 (168 Hours) | - | Clock/Calendar | - | - | 2.7V~3.6V | - | - | - | - | - | - | - | - | - | - | - | - | - | Parallel | 114B | - | - | 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 | ||
| BQ4285LS | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.DS1337STwicea699-476-DS1337S | Rochester Electronics, LLC |
DS1337 I2C SERIAL RTC
| Min.:1 Mult.:1 | Surface Mount | 8-SOIC (0.154, 3.90mm Width) | - | 8-SOIC | - | -40°C~85°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | - | 1.8V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | I2C, 2-Wire Serial | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 0.6μA @ 1.3V~1.8V | - | - | Alarm, Leap Year, Square Wave Output | - | - | - | Non-RoHS Compliant | ||
| DS1337S | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.ISL12028IVZTwicea699-476-ISL12028IVZ | Rochester Electronics, LLC |
RTC, VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12028IVZ | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.DS1305ENTwicea699-476-DS1305EN | Rochester Electronics, LLC |
DS1305 SERIAL ALARM RTC
| Min.:1 Mult.:1 | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | - | 20-TSSOP | - | -40°C~85°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Clock/Calendar | - | - | 2V~5.5V | - | - | - | - | - | - | - | - | - | - | - | - | - | SPI | 96B | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 25.3μA~81μA @ 2V~5V | 2V~5.5V | - | Alarm, Leap Year, NVSRAM, Trickle-Charger | - | - | - | Non-RoHS Compliant | ||
| DS1305EN | |||||||||||||||||||||||||||||||||||||||||||||||||
 | Mfr.BQ3285LFSS-A1Twicea699-476-BQ3285LFSS-A1 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | Surface Mount | 24-SSOP (0.154, 3.90mm Width) | - | 24-SSOP/QSOP | - | 0°C~70°C | Tube | - | - | 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, Leap Year, NVSRAM, Square Wave Output | - | - | - | ROHS3 Compliant | ||
| BQ3285LFSS-A1 | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12027IV27Z-TTwicea699-476-ISL12027IV27Z-T | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12027IV27Z-T | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12027IV27ZTwicea699-476-ISL12027IV27Z | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12027IV27Z | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12027AIB27ZTwicea699-476-ISL12027AIB27Z | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12027AIB27Z | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12029IB27AZTwicea699-476-ISL12029IB27AZ | Rochester Electronics, LLC |
RTC, NON-VOLATILE, 1 TIMER(S)
| Min.:1 Mult.:1 | 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 | ||
| ISL12029IB27AZ | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12029AIV27ZTwicea699-476-ISL12029AIV27Z | Rochester Electronics, LLC |
RTC, NON-VOLATILE, 1 TIMER(S)
| Min.:1 Mult.:1 | 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 | ||
| ISL12029AIV27Z | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12028AIB27ZTwicea699-476-ISL12028AIB27Z | Rochester Electronics, LLC |
RTC, VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12028AIB27Z | |||||||||||||||||||||||||||||||||||||||||||||||||
| | Mfr.ISL12027IBAZ-TTwicea699-476-ISL12027IBAZ-T | Rochester Electronics, LLC |
RTC, NON-VOLATILE
| Min.:1 Mult.:1 | 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 | ||
| ISL12027IBAZ-T |
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