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- Clock/Timing - Real Time Clocks
| Image | Part # | Manufacturer | Description | Availability | Pricing | Quantity | 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 | Information Access Method | Features | Height Seated (Max) | Length | Width | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | Mfr. Part #DS17885-3Twicea Part #699-476-DS17885-3 | Rochester Electronics, LLC |
DS17885 REAL-TIME CLOCK
Datasheet
Compare
| Min.:1 Mult.:1 | Through Hole | 24-DIP (0.600, 15.24mm) | NO | - | - | 0°C~70°C | Tube | e3 | yes | Obsolete | 1 (Unlimited) | 24 | Clock/Calendar | MATTE TIN | 2.7V~3.7V | DUAL | 260 | 3V | 2.54mm | 30 | 24 | R-PDIP-T24 | COMMERCIAL | - | Parallel | 8KB | 0.032MHz | 8 | 1 | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2mA @ 2.7V~3.7V | 2.5V~3.7V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 5.08mm | 31.75mm | 15.24mm | ROHS3 Compliant | ||
| DS17885-3 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1315-33Twicea Part #699-476-DS1315-33 | Rochester Electronics, LLC |
DS1315 PHANTOM TIME CHIP
Datasheet
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| Min.:1 Mult.:1 | Through Hole | 16-DIP (0.300, 7.62mm) | - | 16-PDIP | - | 0°C~70°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Phantom Time Chip | - | 3V~3.6V | - | - | - | - | - | - | - | - | - | Parallel | - | - | - | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 1.1mA @ 3.3V | 2.5V~3.7V | - | Leap Year | - | - | - | Non-RoHS Compliant | ||
| DS1315-33 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #X1228S14IZTwicea Part #699-476-X1228S14IZ | Rochester Electronics, LLC |
RTC, VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 14-SOIC (0.154, 3.90mm Width) | YES | - | - | -40°C~85°C | Tube | e3 | yes | Obsolete | 3 (168 Hours) | 14 | Clock/Calendar | MATTE TIN | 2.7V~5.5V | DUAL | 260 | 5V | 1.27mm | 40 | 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 | 1.7272mm | 8.6614mm | 3.9116mm | ROHS3 Compliant | ||
| X1228S14IZ | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4285P-SB2Twicea Part #699-476-BQ4285P-SB2 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | 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 | - | 2.5V~4V | - | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | - | - | - | ROHS3 Compliant | ||
| BQ4285P-SB2 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1670ETwicea Part #699-476-DS1670E | Rochester Electronics, LLC |
PORTABLE SYSTEM CONTROLLER
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 20-TSSOP (0.173, 4.40mm Width) | - | 20-TSSOP | - | 0°C~70°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Portable System Controller | - | 2.97V~3.63V | - | - | - | - | - | - | - | - | - | 3-Wire Serial | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 100μA @ 3.3V | 2.5V~3.7V | - | Alarm, Leap Year, Watchdog Timer | - | - | - | Non-RoHS Compliant | ||
| DS1670E | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4850YMA-85NTwicea Part #699-476-BQ4850YMA-85N | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
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| Min.:1 Mult.:1 | Through Hole | 32-DIP Module (0.61, 15.49mm) | - | 32-DIP Module (18.42x52.96) | - | -40°C~85°C | Tube | - | - | 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-85N | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1742-85Twicea Part #699-476-DS1742-85 | Rochester Electronics, LLC |
DS1742 Y2KC NV TIMEKEEPING RAM
Datasheet
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| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | Obsolete | 3 (168 Hours) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ROHS3 Compliant | ||
| DS1742-85 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1670STwicea Part #699-476-DS1670S | Rochester Electronics, LLC |
PORTABLE SYSTEM CONTROLLER
Datasheet
Compare
| Min.:1 Mult.:1 | Surface Mount | 20-SOIC (0.295, 7.50mm Width) | - | 20-SOIC | - | 0°C~70°C | Tube | - | - | Obsolete | 1 (Unlimited) | - | Portable System Controller | - | 2.97V~3.63V | - | - | - | - | - | - | - | - | - | 3-Wire Serial | - | - | - | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 100μA @ 3.3V | 2.5V~3.7V | - | Alarm, Leap Year, Watchdog Timer | - | - | - | Non-RoHS Compliant | ||
| DS1670S | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4850YMA-85Twicea Part #699-476-BQ4850YMA-85 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| 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. Part #DS1254YB-100Twicea Part #699-476-DS1254YB-100 | Rochester Electronics, LLC |
2M X 8 NV SRAM, PHANTOM CLOCK
Datasheet
Compare
| 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. Part #ISL12025IVZTwicea Part #699-476-ISL12025IVZ | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| 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. Part #PCF2123BS/1,512Twicea Part #699-476-PCF2123BS/1,512 | Rochester Electronics, LLC |
RTC, VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | Obsolete | 3 (168 Hours) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ROHS3 Compliant | ||
| PCF2123BS/1,512 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #ISL12029AIB27ZTwicea Part #699-476-ISL12029AIB27Z | Rochester Electronics, LLC |
REAL TIME CLOCK
Datasheet
Compare
| 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 | ||
| ISL12029AIB27Z | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4852YMC-85Twicea Part #699-476-BQ4852YMC-85 | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| 1132
In Stock
| Min.:1 Mult.:1 | - | - | - | - | - | - | - | - | - | Obsolete | 3 (168 Hours) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Non-RoHS Compliant | |
| BQ4852YMC-85 | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4285EPTwicea Part #699-476-BQ4285EP | Rochester Electronics, LLC |
RTC, VOLATILE
Datasheet
Compare
| 7
In Stock
| Min.:1 Mult.:1 | 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 | |
| BQ4285EP | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ3285LSSTwicea Part #699-476-BQ3285LSS | Rochester Electronics, LLC |
RTC, VOLATILE
Datasheet
Compare
| 285
In Stock
| Min.:1 Mult.:1 | 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 | |
| BQ3285LSS | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #DS1371UTwicea Part #699-476-DS1371U | Rochester Electronics, LLC |
32-BIT BINARY COUNTER WDOG CLOCK
Datasheet
Compare
| 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) | - | 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 | ||
| DS1371U | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ4845YS-A4TRTwicea Part #699-476-BQ4845YS-A4TR | Rochester Electronics, LLC |
RTC, NON-VOLATILE, 1 TIMER(S)
Datasheet
Compare
| Min.:1 Mult.:1 | 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 | ||
| BQ4845YS-A4TR | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ3285ESTRTwicea Part #699-476-BQ3285ESTR | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | 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 | ||
| BQ3285ESTR | |||||||||||||||||||||||||||||||||||||||||||||
![]() | Mfr. Part #BQ3285LDSSTRTwicea Part #699-476-BQ3285LDSSTR | Rochester Electronics, LLC |
RTC, NON-VOLATILE
Datasheet
Compare
| Min.:1 Mult.:1 | 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 | ||
| BQ3285LDSSTR |
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