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BQ4845S-A4N vs BQ4845S-A4NG4 vs BQ4845S-A4NTR

 
PartNumberBQ4845S-A4NBQ4845S-A4NG4BQ4845S-A4NTR
DescriptionReal Time Clock w/NVSRAM Control Watchdog TimerReal Time Clock w/NVSRAM Control Watchdog TimerReal Time Clock w/NVSRAM Control Watchdog Time
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Product CategoryReal Time ClockReal Time ClockClock/Timing - Real Time Clocks
RoHSYY-
Mounting StyleSMD/SMTSMD/SMTSMD/SMT
Package / CaseSOIC-28SOIC-28-
RTC Bus InterfaceParallelParallelParallel
Time FormatHH:MM:SSHH:MM:SSHH:MM:SS (12/24 hr)
Battery Backup SwitchingBackup SwitchingBackup SwitchingBackup Switching
RTC Memory Size16 B16 B16 B
Supply Voltage Max5.5 V5.5 V-
Supply Voltage Min4.75 V4.75 V-
Minimum Operating Temperature- 40 C- 40 C- 40 C
Maximum Operating Temperature+ 85 C+ 85 C+ 85 C
PackagingTubeTubeTape & Reel (TR) Alternate Packaging
FunctionAlarm, Calendar, Clock, Timer InterruptAlarm, Calendar, Clock, Timer InterruptAlarm Calendar Clock Timer Interrupt
SeriesBQ4845BQ4845BQ4845
BrandTexas InstrumentsTexas Instruments-
Product TypeReal Time ClocksReal Time Clocks-
Factory Pack Quantity2020-
SubcategoryClock & Timer ICsClock & Timer ICs-
Unit Weight0.025778 oz0.025778 oz0.025778 oz
Product--Real Time Clocks
Type--Clock/Calendar
Package Case--SOIC-28
Operating Temperature---40°C ~ 85°C
Mounting Type--Surface Mount
Features--Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
Interface--Parallel
Voltage Supply--4.75 V ~ 5.5 V
Supplier Device Package--28-SOIC
Memory Size---
Date Format--YY-MM-DD-dd
Voltage Supply Battery--2.3 V ~ 4 V
Current Timekeeping Max--1.5mA (Typ) @ 4.5 V ~ 5.5 V
Supply Voltage Max--5.5 V
Supply Voltage Min--4.75 V
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