RTC IC With 242x8 NVSRAM Alarm Wake-up,Real-Time Clock (RTC)

The CMOS BQ3285E L (Real-Time Clock (RTC)) is a low-power Microprocessor peripheral providing a time-of-day Clock and 100-year calendar with alarm features and battery operation. The bq3285L supports 3V systems. Other BQ3285E L features include three maskable interrupt sources, square-wave output, and 242 bytes of general nonvolatile storage.
A 32.768kHz output is available for sustaining power-management activities. Wake-up capability is provided by an alarm interrupt, which is active in battery-backup mode.
The BQ3285E L write-protects the Clock calendar, and storage Registers during power failure. A backup battery then maintains data and operates the Clock and calendar.
The BQ3285E L is a fully compatible Real-Time Clock for IBM AT-compatible computers and other applications. The only external components are a 32.768kHz crystal and a backup battery.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
BQ3285EQ-N Texas Instruments IC 1 TIMER(S), REAL TIME CLOCK, PQCC28, Timer or RTC
BQ3285ESSN Texas Instruments IC 1 TIMER(S), REAL TIME CLOCK, PDSO24, SSOP-24, Timer or RTC
BQ3285ESSNTR Texas Instruments IC 1 TIMER(S), REAL TIME CLOCK, PDSO24, SSOP-24, Timer or RTC
BQ3285ECS Texas Instruments IC 1 TIMER(S), REAL TIME CLOCK, PDSO24, Timer or RTC
BQ3285EQ Texas Instruments IC 1 TIMER(S), REAL TIME CLOCK, PQCC28, PLASTIC, LCC-28, Timer or RTC
BQ3285ESG4 Texas Instruments RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SOIC 0 to 70
BQ3285ESTR Texas Instruments RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SOIC
BQ3285ESSG4 Texas Instruments RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SSOP 0 to 70
BQ3285ES Texas Instruments RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SOIC 0 to 70
BQ3285ESSTRG4 Texas Instruments RTC IC with 242x8 NVSRAM Alarm Wake-up 24-SSOP 0 to 70
BQ3285E 's PackagesBQ3285E 's pdf datasheet
BQ3285EP PDIP
BQ3285ES SOIC
BQ3285ESG4 SOIC
BQ3285ESS SSOP
BQ3285ESSG4 SSOP
BQ3285ESSTR SSOP
BQ3285ESSTRG4 SSOP
BQ3285ESTR SOIC
BQ3285ESTRG4 SOIC

BQ3285E pdf datasheet download


BQ3285E Pinout, Pinouts
BQ3285E pinout,Pin out
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