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Orders Over
$5000BQ4845S-A4TR
Advanced RTC IC offers non-volatile storage, watchdog timer, and intelligent system management
Brands: Texas Instruments
Mfr.Part #: BQ4845S-A4TR
Datasheet: BQ4845S-A4TR Datasheet (PDF)
Package/Case: SOIC (DW)-28
Product Type: Real Time Clocks
RoHS Status:
Stock Condition: 6,427 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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BQ4845S-A4TR General Description
The bq4845 features direct connections for a 32.768KHz quartz crystal and a 3V backup battery, ensuring reliable operation and data retention even in the absence of system voltage. Moreover, its conditional chip enable output (CEOUT) and battery voltage output (VOUT) pins allow the bq4845 to write-protect and make nonvolatile external SRAMs, providing an added layer of security for critical data
Features
- Battery-backup switchover circuit
- Low-power sleep mode operation down to 50nA current consumption
- Programmable clock alarm interrupt active in battery-backup mode
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Function | Real-time clock | Iq (typ) (mA) | 0.0005 |
| Features | 16 RTC bytes, External SRAM control, Integrated CPU supervisor, Parallel bus interface | Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 | Supply voltage (max) (V) | 5.5 |
| Supply voltage (min) (V) | 4.5 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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![Product]( "Product")
Step1 :Product
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![Vacuum packaging]( "Vacuum packaging")
Step2 :Vacuum packaging
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![Anti-static bag]( "Anti-static bag")
Step3 :Anti-static bag
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![Individual packaging]( "Individual packaging")
Step4 :Individual packaging
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![Packaging boxes]( "Packaging boxes")
Step5 :Packaging boxes
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![bar-code shipping tag]( "bar-code shipping tag")
Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
We provide high quality products, thoughtful service and after sale guarantee
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![Product]( "Product")
We have rich products, can meet your various needs.
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![quantity]( "quantity")
Minimum order quantity starts from 1pcs.
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![shipping]( "shipping")
Lowest international shipping fee starts from $0.00
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![guarantee]( "guarantee")
365 days quality guarantee for all products
