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28 Terminations5V 28 Pin BQ4845 Real Time ClocksTimer or RTC SubcategoryAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 0.032MHz
- Manufacturer: Texas Instruments
- NO: 815-BQ4845P-A4
- Package: 28-DIP (0.600, 15.24mm)
- Datasheet:
- Stock: 1001
- Description: 28 Terminations5V 28 Pin BQ4845 Real Time ClocksTimer or RTC SubcategoryAlarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 0.032MHz (Kg)
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| Parameters | |
|---|---|
| Contact Plating | Tin |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP (0.600, 15.24mm) |
| Number of Pins | 28 |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Feature | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| Pbfree Code | yes |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 28 |
| ECCN Code | EAR99 |
| Type | Clock/Calendar |
| HTS Code | 8542.39.00.01 |
| Subcategory | Timer or RTC |
| Technology | CMOS |
| Voltage - Supply | 4.75V~5.5V |
| Terminal Position | DUAL |
| Supply Voltage | 5V |
| Terminal Pitch | 2.54mm |
| Base Part Number | BQ4845 |
| Pin Count | 28 |
| Operating Supply Voltage | 5V |
| Power Supplies | 5V |
| Interface | Parallel |
| Clock Frequency | 0.032MHz |
| Logic Function | Clock |
| External Data Bus Width | 8 |
| Number of Timers | 1 |
| 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 |
| Time-Min | SECONDS |
| Interrupt Capability | Y |
| Voltage - Supply, Battery | 2.3V~4V |
| Volatile | NO |
| Height Seated (Max) | 4.826mm |
| Length | 37.084mm |
| Width | 15.24mm |
| Radiation Hardening | No |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
BQ4845P-A4 Overview
28-DIP (0.600, 15.24mm) contains real time clocks.As a result, time clock is packaged in the same way as Tube.Unless otherwise stated, this electrical RTC's supply voltage is 4.75V~5.5V.Electrical real time clocks of type Clock/Calendar correspond to this real time clock.In this case, Through Hole is the way this part is mounted on the systemboard.Electronic time clocks are recommended to operate at a temperature of 0°C~70°C.Electronic time clocks are possible to make sure that Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer are maintained when operating.When transmission lines are terminated with a zero, their characteristic impedance is that of the terminating RTC module.Obviously, a voltage of 5V is being supplied to this electronic component.A total of 28 pins are included in this product.The family RTCs belongs to are BQ4845.The voltage supply of this electrical digital time clock is 2.3V~4V.RTCs in the Timer or RTC subcategory are available.A frequency of 0.032MHz should not be exceeded by real time clocks' output.Mounting type is Through Hole.It operates from 5V power supplies.There are 28 pins, which are pronged contacts as part of a signal interface in a computer or other communications real time clock. When an input signal is received, 1 timers are used to output a signal at a preset time.Maintaining the supply voltage at 5V is the key to high efficiency.
BQ4845P-A4 Features
28-DIP (0.600, 15.24mm) package
28 terminations
28 pin count
5V power supplies
Be maintained at 5V for high efficiency.
BQ4845P-A4 Applications
There are a lot of Texas Instruments BQ4845P-A4 Real Time Clocks applications.
- Time keeping application
- Digital still camera
- Industrial
- Vending Machine
- Thermostat
- Mobile telephones
- Telecommunications
- Utility Meters
- Low standby power applications
- Embedded Time Stamping
