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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-A4NG4
- Package: 28-SOIC (0.295, 7.50mm Width)
- Datasheet:
- Stock: 1450
- 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 | 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 | -40°C~85°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 |
| 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 |
| 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) | 2.667mm |
| Length | 17.9705mm |
| Width | 7.5565mm |
| Radiation Hardening | No |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
BQ4845S-A4NG4 Overview
There is an embedded version of real time clocks in the package 28-SOIC (0.295, 7.50mm Width).Tube is the way time clock is packaged.There is 4.75V~5.5V voltage supply for this electrical RTC.Electrical real time clocks of type Clock/Calendar are involved.A part of this electronic RTC module is mounted in the way of Surface Mount.Electronic time clocks are recommended that the operating temperature be -40°C~85°C.During operation, the value of Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer can be ensured.There is the possibility of terminating transmission lines with 28 terminations, which means that the equipment used to terminate the line will match its characteristic impedance.This RTC real time clock has a voltage of 5V.A total of 28 pins can be found on it.In the family BQ4845, RTCs are a member.Note that the supply voltage is 2.3V~4V for this electrical digital time clock.Timer or RTC is the subcategory in which the RTCs belongs.There should not be a frequency higher than 0.032MHz in the output.A mounting type of Surface Mount has been specified for this RTC module.It operates from 5V power supplies.The real time clock is equipped with 28 pins.Following an input signal, there are 1 timers that output a signal at a preset time.The supply voltage should be maintained at 5V for high efficiency.
BQ4845S-A4NG4 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-A4NG4 Applications
There are a lot of Texas Instruments BQ4845S-A4NG4 Real Time Clocks applications.
- Health Care
- Network Appliance
- Industrial
- Portable Instruments
- Utility Meters
- Medicine Dispenser
- Vending Machine
- Time keeping application
- Network Hubs
- Wearables, Portables
