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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-BQ4845S-A4
- Package: 28-SOIC (0.295, 7.50mm Width)
- Datasheet:
- Stock: 1805
- 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 | |
|---|---|
| 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 |
| Interface | Parallel |
| Clock Frequency | 0.032MHz |
| Logic Function | Clock |
| 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 | 2.35mm |
| Length | 18mm |
| Width | 7.52mm |
| Radiation Hardening | No |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
| Contact Plating | Gold |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 28-SOIC (0.295, 7.50mm Width) |
| Number of Pins | 28 |
| Weight | 730.794007mg |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| JESD-609 Code | e4 |
| Feature | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer |
| 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 |
BQ4845S-A4 Overview
A package named 28-SOIC (0.295, 7.50mm Width) contains real time clocks.Tube is the way time clock is packaged, which is the way time clock is intended to be.To supply this electrical RTC, a voltage of 4.75V~5.5V is required.It can be said that this electrical real time clock belongs to the Clock/Calendar type.It should be noted that the real time clock (RTC) is mounted in the way of Surface Mount.Maintaining a constant temperature of 0°C~70°C is essential for safe operation.When operating, electronic time clocks are possible to ensure that Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer are maintained.A transmission line with 28 terminations possesses the characteristic impedance of the RTC module terminating it.RTC real time clocks such as this one are powered by 5V voltage.The RTCs are equipped with 28 pins.BQ4845 are a family of objects that belongs to RTCs .This electrical digital time clock has a 2.3V~4V supply voltage.This component can be found in Timer or RTC.Neither real time clocks' output frequency nor real time clocks' response frequency should exceed 0.032MHz.A Surface Mount mounting type is assigned to the RTC module.For powering the real time clock, a power supply with a voltage of 5V is used.A total of 28 pins are attached to this 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.
BQ4845S-A4 Features
28-SOIC (0.295, 7.50mm Width) package
28 terminations
28 pin count
5V power supplies
Be maintained at 5V for high efficiency.
BQ4845S-A4 Applications
There are a lot of Texas Instruments BQ4845S-A4 Real Time Clocks applications.
- Network powered devices
- Telecommunications
- Router
- Battery backed up systems
- Copy machines
- Digital voice recorders
- Point-of-Sale Equipment
- Digital cameras
- Medicine Dispenser
- GPS/Telematics Devices
