Texas Instruments BQ4845S-A4TR Microcontrollers
RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC 0 to 70
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
BQ4845S-A4TR
Detailed Description
RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC 0 to 70
Package
28-SOIC (0.295", 7.50mm Width)
Lifecycle Status
Active
Datasheet
BQ4845S-A4TR Datasheet
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Technical Specifications
Texas Instruments BQ4845S-A4TR Microcontrollers technical specifications.
General
Interface
Parallel
Package / Case
28-SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 70°C
Supply Voltage
4.75V ~ 5.5V
Features
Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
Type
Clock/Calendar
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Voltage Supply Battery
2.3V ~ 4V
Alternate Parts Comparison (BQ4845S-A4TR vs BQ4802LYDWR vs ADS774HIBDWR vs ADS774HIDWR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 4.75V ~ 5.5V | 2.7V ~ 3.6V | -- | -- |
| Interface | Parallel | Parallel | -- | -- |
| Current Timekeeping Max | 1.5mA (Typ) @ 4.5 V ~ 5.5 V | 1.5mA (Typ) @ 2.7 V ~ 3.6 V | -- | -- |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | -- | -- |
| Features | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | -- | -- |
| Time Format | HH:MM:SS (12/24 hr) | HH:MM:SS (12/24 hr) | -- | -- |
| Type | Clock/Calendar | Clock/Calendar | -- | -- |
| Voltage Supply Battery | 2.3V ~ 4V | 2.4V ~ 4V | -- | -- |
| Architecture | -- | -- | SAR | SAR |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
BQ4802LYDWRTexas InstrumentsY2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 3V Vcc 28-SOIC 0 to 70