BQ4845YS-A4TR OverviewThere is an embedded version of real time clocks in the package 28-SOIC (0.295, 7.50mm Width).This package has a package type of Tape & Reel (TR).Electrical RTCs such as this have a 4.5V~5.5V supply.In this case, we are dealing with an electrical real time clock that has a type of Clock/Calendar.It should be noted that the real time clock (RTC) is mounted in the way of Surface Mount.Electronic time clocks are recommended to operate at a temperature of 0°C~70°C.If Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer is ensured when operating, then the operation will be successful.In this electrical digital time clock, the supply voltage is 2.3V~4V.
BQ4845YS-A4TR Features28-SOIC (0.295, 7.50mm Width) package
BQ4845YS-A4TR ApplicationsThere are a lot of Rochester Electronics, LLC
BQ4845YS-A4TR Real Time Clocks applications.
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers
Electronic metering
Digital cameras
White goods
Elapsed time counter
Network powered devices
| Mounting Type | Surface Mount |
| Package / Case | 28-SOIC (0.295, 7.50mm Width) |
| Supplier Device Package | 28-SOIC |
| Operating Temperature | 0°C~70°C |
| Packaging | Tape & Reel (TR) |
| Feature | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Type | Clock/Calendar |
| Voltage - Supply | 4.5V~5.5V |
| Interface | Parallel |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Current - Timekeeping (Max) | 1.5mA Typ @ 4.5 V~5.5 V |
| Voltage - Supply, Battery | 2.3V~4V |
| RoHS Status | ROHS3 Compliant |
| Contact Plating | Gold |
| Mount | Surface Mount |
| Number of Pins | 28 |
| Weight | 730.794007mg |
| JESD-609 Code | e4 |
| Number of Terminations | 28 |
| ECCN Code | EAR99 |
| HTS Code | 8542.39.00.01 |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 5V |
| Terminal Pitch | 1.27mm |
| Base Part Number | BQ4845 |
| Pin Count | 28 |
| Operating Supply Voltage | 5V |
| Power Supplies | 5V |
| Clock Frequency | 0.032MHz |
| Logic Function | Clock |
| External Data Bus Width | 8 |
| Number of Timers | 1 |
| Time-Min | SECONDS |
| Interrupt Capability | Y |
| Volatile | NO |
| Length | 17.9705mm |
| Height Seated (Max) | 2.667mm |
| Width | 7.5565mm |
| Radiation Hardening | No |
| Lead Free | Lead Free |
BQ4845YS-A4TR Datasheet
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