Texas Instruments BQ4845S-A4 Real Time Clocks DUAL 5V 28Terminations Tube
BQ4845S-A4
2502-476-BQ4845S-A4
28-SOIC (0.295, 7.50mm Width)
RoHS Compliant
Clock Frequency: 0.032MHz,Time Format: HH:MM:SS (12/24 hr),Interface: Parallel,Type: Clock/Calendar
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BQ4845S-A4 Tech Specifications
Texas Instruments BQ4845S-A4 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Clock/Timing - Real Time Clocks | |
| Manufacturer | Texas Instruments | |
| Contact Plating | Gold | |
| Mount | Surface Mount | |
| Mounting Type | Surface Mount | |
| Package / Case | 28-SOIC (0.295, 7.50mm Width) | |
| Number of Pins | 28Pins | |
| Weight | 730.794007mg | |
| Operating Temperature | 0°C~70°C | |
| Packaging | Tube | |
| JESD-609 Code | e4 | |
| Part Status | Obsolete | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 28Terminations | |
| ECCN Code | EAR99 | |
| Type | Clock/Calendar | |
| HTS Code | 8542.39.00.01 | |
| Voltage - Supply | 4.75V~5.5V | |
| Terminal Position | DUAL | |
| Peak Reflow Temperature (Cel) | 260 | |
| Supply Voltage | 5V | |
| Terminal Pitch | 1.27mm |
| Product Attribute | Attribute Value | |
|---|---|---|
| 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 | 1Timer | |
| 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 | |
| Features | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | |
| Height | 2.35mm | |
| Length | 18mm | |
| Width | 7.52mm | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
BQ4845S-A4 Documents
Download datasheets and manufacturer documentation for BQ4845S-A4
Datasheets
BQ4845(Y)PCN Obsolescence/ EOL
EOL 16/Jan/2017
Others include "BQ484" parts
The following parts include 'BQ484'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| BQ4845S-A4 | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | |
| BQ4845S-A4N | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | 688 |
| BQ4845S-A4G4 | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | |
| BQ4845S-A4TR | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | 39 |
| BQ4845S-A4NTR | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | |
| BQ4845S-A4NG4 | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) | |
| BQ4845S-A4TRG4 | Texas Instruments | SOIC | |
| BQ4845S-A4NTRG4 | Texas Instruments | 28-SOIC (0.295, 7.50mm Width) |
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| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
 | BQ4845S-A4 | Texas Instruments | IC RTC CLK/CALENDAR PAR 28-SOIC | 28-SOIC (0.295, 7.50mm Width) | |
| BQ4802YDW | Texas Instruments | IC RTC CLK/CALENDAR PAR 28-SOIC | 28-SOIC (0.295, 7.50mm Width) | |
 | BQ4845YS-A4TR | Texas Instruments | Real Time Clock Parallel 16byte 28-Pin SOIC T/R | 28-SOIC (0.295, 7.50mm Width) | |
 | DS12R885S-5 T&R | Maxim Integrated | IC RTC CLK/CALENDAR PAR 24-SOIC | 24-SOIC (0.295, 7.50mm Width) | |
| BQ4845YS-A4NTR | Texas Instruments | Real Time Clock Parallel 16byte 28-Pin SOIC T/R | 28-SOIC (0.295, 7.50mm Width) |
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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
Payment | TT in advance (bank transfer), Western Union, Credit card, PayPal. Customer is responsible for shipping fee, bank charges, duties and taxes. |
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BQ4845S-A4 Comments
109 reviews
2022-07-21 00:00:00
There was room for improvement, but the overall experience was satisfactory.
2022-07-14 00:00:00
I had some minor problems buying components on the Jak, but the overall experience was good.
2022-07-13 00:00:00
I trust jakelectronics to provide me with high-quality components every time.
2022-06-15 00:00:00
The delivery speed is also very fast, and it always arrives on time.
2022-05-13 00:00:00
Good quality product.
2022-04-14 00:00:00
Simply great! Many thanks!
2022-04-09 00:00:00
I couldn't be happier with the kit. It was easy to assemble, including soldering the EEPROM, and works as intended.
2022-04-09 00:00:00
Pricing that fits my budget without compromising on quality, a win-win situation.
2022-04-08 00:00:00
For the price I am very happy.
2022-03-31 00:00:00
when you need to connect this kind of port, this product makes it very easy.