PartNumber | BQ4845YS-A4 | BQ4845YS-A4G4 | BQ4845YS-A4N |
Description | Real Time Clock w/NVSRAM Control Watchdog Timer | Real Time Clock Watchdog Timer | Real Time Clock w/NVSRAM Control Watchdog Time |
Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
Product Category | Real Time Clock | Real Time Clock | Clock/Timing - Real Time Clocks |
RoHS | Y | Y | - |
Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
Package / Case | SOIC-28 | SOIC-28 | - |
RTC Bus Interface | Parallel | Parallel | Parallel |
Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS (12/24 hr) |
Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
RTC Memory Size | 16 B | 16 B | 16 B |
Supply Voltage Max | 5.5 V | 5.5 V | - |
Supply Voltage Min | 4.5 V | 4.5 V | - |
Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
Packaging | Tube | Tube | Tube Alternate Packaging |
Function | Alarm, Calendar, Clock, Timer Interrupt | Alarm, Calendar, Clock, Timer Interrupt | Alarm Calendar Clock Timer Interrupt |
Series | BQ4845Y | BQ4845Y | BQ4845Y |
Brand | Texas Instruments | Texas Instruments | - |
Product Type | Real Time Clocks | Real Time Clocks | - |
Factory Pack Quantity | 20 | 20 | - |
Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
Unit Weight | 0.025778 oz | 0.025778 oz | 730800 mg |
Product | - | - | Real Time Clocks |
Type | - | - | Clock/Calendar |
Package Case | - | - | 28-SOIC (0.295", 7.50mm Width) |
Operating Temperature | - | - | -40°C ~ 85°C |
Mounting Type | - | - | Surface Mount |
Features | - | - | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
Interface | - | - | Parallel |
Voltage Supply | - | - | 4.5 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 | - | - | 4.5 V |