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Name: RTC-72423A0:PURE SN
Brand: Epson
SKU: RTC-72423A0:PURE SN
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Epson RTC-72423A0:PURE SN

Part No.:: RTC-72423A0:PURE SN

Manufacturer:: Epson

Package:: 24-SOIC (0.311, 7.90mm Width)

Datasheet:: RTC-72423A0:PURE SN.pdf

Description:: IC RTC CLK/CALENDAR PAR 24-SOP

In Stock:: 2436

Quantity:: Add To Cart

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RTC-72423A0:PURE SN Specifications

Package/Case:
24-SOIC (0.311, 7.90mm Width)
Packaging:
Tape & Reel (TR)
Series:
RTC-72423
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
5µA ~ 10µA @ 2V ~ 5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

RTC-72423A0:PURE SN this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including RTC-72423A0:PURE SN price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for RTC-72423A0:PURE SN to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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RTC-72423A0:PURE SN information

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RTC-72423A0:PURE SN Typical application Circuitry

RTC-72423A0 PURE SN

The RTC-72423A0:PURE SN is a variant of real-time clock modules designed for precision timekeeping in a wide array of electronic devices. This RTC chip is typically embedded in systems where time tracking is crucial, such as data loggers, wearable technology, automotive electronics, and smart home devices. The chip stands out for its low power consumption, high accuracy, and the ability to operate across a broad temperature range, making it an ideal choice for battery-operated and portable applications.

Application Scenario: Automotive Electronics System

In automotive electronics, accurate timekeeping is vital for system diagnostics, event logging, and network synchronization among various control units. Here's a detailed integration method of the RTC-72423A0:PURE SN into an automotive electronic control unit (ECU):

1. Power Connection: Guarantee Uninterrupted Operation

- The RTC-72423A0:PURE SN operates over a voltage range typically from 2.0V to 5.5V. Connect its VCC pin directly to a stable power source within this range. Considering automotive environments, a direct connection to the vehicle's battery (through a voltage regulator, if necessary) ensures that the RTC continues to operate even when the vehicle is off, utilizing minimal power.

2. Communication Protocol Selection: Enable Efficient Data Exchange

- Unlike the previously discussed model, if the RTC-72423A0:PURE SN supports SPI in addition to I2C for communication, choose SPI for faster data transfer rates, particularly useful in automotive applications where quicker response times are necessary. Connect the chip's SPI pins (SCK, MOSI, MISO, SS) to the corresponding pins on the ECU's microcontroller.

3. External Quartz Crystal Connection: Maintain Accurate Timing

- Attach a 32.768 kHz quartz crystal to the RTC's dedicated oscillator input and output pins. The selection of a high-quality crystal with low temperature coefficient is critical in automotive applications due to the wide range of operating temperatures.

4. Backup Power Source Implementation: Ensure Reliability Under All Conditions

- Integrate a backup power source, like a supercapacitor, to the VBAT pin. This ensures that the RTC maintains timekeeping during periods when the main power supply is disconnected or the vehicle's battery is being replaced.

5. Interrupt Outputs for Scheduled Tasks: Automate Time-Dependent Functions

- Utilize the RTC-72423A0:PURE SN's interrupt output pin to trigger actions at specific times, such as periodic data logging or maintenance reminders. Connect this pin to an interrupt-capable input on the ECU's microcontroller.

Design Considerations:

Incorporating the RTC-72423A0:PURE SN into an automotive ECU requires careful planning around several factors:

- Electromagnetic Interference (EMI): Automotive environments are notorious for high levels of EMI. Shielding and proper PCB layout practices are necessary to prevent timekeeping inaccuracies.

- Power Supply Fluctuations: Vehicles experience wide voltage fluctuations. Implementing voltage regulation and protection circuits for the RTC is essential.

- Temperature Extremes: Select components, especially the quartz crystal, that are rated for the automotive temperature range the device will be exposed to.

- Backup Power Management: Evaluate the longevity and charge/discharge cycles of the backup power solution (supercapacitor or battery) to ensure consistent performance.

- Communication Reliability: In systems where the RTC-72423A0:PURE SN uses SPI, ensure the bus is not overloaded and that cable lengths are minimized to maintain signal integrity.

By addressing these considerations, the RTC-72423A0:PURE SN can be effectively integrated into automotive systems, providing reliable timekeeping and enhancing the functionality of vehicle electronics. The inclusion of this RTC chip aids in accurate event logging, system diagnostics, and synchronization across multiple control units, making it an indispensable component in modern automotive electronics design.

RTC-72423A0:PURE SN FAQ

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3. Are the RTC-72423A0:PURE SN price and inventory displayed accurate?

The price and inventory of RTC-72423A0:PURE SN fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of RTC-72423A0:PURE SN?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the RTC-72423A0:PURE SN we delivered, we will accept the replacement or return of the RTC-72423A0:PURE SN only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of RTC-72423A0:PURE SN.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations