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BQ4845YS-A4TR

BQ4845YS-A4TR Description

RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning

BQ4845YS-A4TR Description

IC RTC W/NVSRAM CONTROL 28-SOIC

BQ4845YS-A4TR Description

IC, RTC, BCD, SOIC-28

BQ4845YS-A4TR Categories

RTC & Watchdog ICs

BQ4845YS-A4TR Manufacturer

Texas Instruments

BQ4845YS-A4TR Datasheet (PDF)

BQ4845YS-A4TR Datasheet
BQ4845(Y)
BQ4845YS-A4TR Datasheet
Parallel RTC With CPU Supervisor

BQ4845YS-A4TR Price & Availability


Check BQ4845YS-A4TR Price & Availability at Canics

BQ4845YS-A4TR Features

  • Real-Time Clock counts seconds through years in BCD format
  • On-chip battery-backup switchover circuit with nonvolatile control for external SRAM
  • Less than 500nA of clock operation current in backup mode
  • Microprocessor reset valid to VCC =VSS
  • Independent watchdog timer with a programmable time-out period
  • Power-fail interrupt warning
  • Programmable clock alarm interrupt active in battery-backup mode
  • Programmable periodic interrupt
  • Battery-low warning

BQ4845YS-A4TR Parameters

Pin/Package28PDIP,28SOIC
Approx. 1KU Price (US$)2.5
StatusACTIVE
Temp (oC)0 to 70
Budget Price ($US) | QTY2.50 | 1KU
Package Type | PinsSOIC (DW) | 28
STD Pack QTY1000
TypeClock/Calendar/Supervisor
InterfaceParallel
Operating Temperature Range0°C to +70°C
Supply Voltage Range4.5V to 5.5V
CategoryIntegrated Circuits (ICs)
Supply Voltage (V)5
Bus InterfaceParallel
FamilyClock/Timing - Real Time Clocks
Date FormatBCD
Date FormatYY-MM-DD-dd
Operating Temperature0°C ~ 70°C
Package / Case28-SOIC (7.5mm Width)
Voltage - Supply4.5 V ~ 5.5 V
Time FormatHH:MM:SS (12/24 hr)
No. of Pins28
IC Interface TypeParallel
Digital IC Case StyleSOIC
RoHS CompliantYes
Clock IC TypeRTC
Clock FormatBCD
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Products Similar to BQ4845YS-A4TR

BQ4845, BQ4845P-A4, BQ4845S-A4, BQ4845S-A4N, BQ4845S-A4NTR

 
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Keywords
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