What is the Additional Feature ?

Name: MCP795B21-I/ST
Brand: Microchip Technology
SKU: MCP795B21-I/ST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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

Cart ( )

lmages are for reference only See Product Specifications

Microchip Technology MCP795B21-I/ST

Part No.:: MCP795B21-I/ST

Manufacturer:: Microchip Technology

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP795B21-I/ST.pdf

Description:: IC RTC CLK/CALENDAR SPI 14-TSSOP

In Stock:: 2618

Quantity:: Add To Cart

For more detailed including pricing and shipping

: Quick response, quick quotation

: Flash shipment, no worries after sales

: Original channel, guarantee of the authentic products

Please send RFQ , we will respond immediately.

Purchase and inquiry

MCP795B21-I/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 5.5V
Voltage-SupplyBattery:
1.3V ~ 5.5V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP795B21-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795B21-I/ST 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 MCP795B21-I/ST to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

Purchase in icwhale.com

There is no doubt that you may place an order without registering to icwhale.com.

We strongly suggest you sign in our shop before purchasing as you can track your order real-time tracking.

Means of Payment in icwhale.com

For your convenience, we support multiple payment methods in USD, including PayPal, Credit Card, wire transfer. and Alipay.

RFQ (Request for Quotations) in icwhale.com

It is recommended to acquire for quotations to get the latest prices and inventories about the parts.

Our sales will reply to your request by email within 24 hours.

Warm reminder

1. You'll receive an order information email in your email inbox. (Please remember to check the spam folder if you didn't hear from us).

2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping & Handling

Shipping fee starts at $35, but some countries will exceed $35. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)

The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and countries.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, UPS and China Post.

Order Tracking for International Orders

Once your order has been shipped, the tracking number will be sent to the email address registered to your account. This information can also be viewed when logged into your account in the "my account" page.

MCP795B21-I/ST information

Views：

Basic introduction and simple engineering application of MCP795B21-I/ST

MCP795B21-I/ST is a Real-Time Clock (RTC) device manufactured by Microchip Technology Inc., offering accurate timekeeping and alarm functionality. It is commonly used in electronic systems where precise timing is essential, such as data logging, event scheduling, and power management applications.

Application Scenario:

In a home automation project, MCP795B21-I/ST can be utilized to timestamp events, schedule tasks, and manage power consumption efficiently.

Experiment Setup:

To understand the basic functionality of MCP795B21-I/ST and its application in a simple project, follow these steps:

1. Circuit Connection:

Connect MCP795B21-I/ST to a microcontroller or development board, ensuring proper power supply and communication interfaces. Use I2C or SPI communication protocols to interface with the RTC device.

2. Time Setting:

Write a simple firmware code to initialize MCP795B21-I/ST and set the current time and date. Utilize the device's registers to configure time parameters such as hours, minutes, seconds, and date.

3. Alarm Configuration:

Implement an alarm feature by programming the alarm registers of MCP795B21-I/ST to trigger an interrupt at a specific time. This could be used to activate a connected device or perform a predefined action.

4. Power Management:

Explore the power-saving capabilities of MCP795B21-I/ST by utilizing its low-power modes. Implement firmware logic to enter low-power states during periods of inactivity, effectively reducing overall power consumption.

5. Data Logging:

Extend the project by incorporating data logging functionality. Store timestamps and relevant event data in non-volatile memory, such as EEPROM or external flash memory, using MCP795B21-I/ST to track system events over time.

Considerations:

When working with MCP795B21-I/ST in a project, it's important to consider the following:

- Accuracy: Ensure proper calibration and periodic synchronization with an external time source to maintain accurate timekeeping.

- Interrupt Handling: Implement robust interrupt handling mechanisms in firmware to respond to alarms and other time-related events promptly.

- Backup Power: Incorporate backup power sources, such as coin cell batteries, to maintain RTC functionality during main power outages or system resets.

- Communication Protocol: Select the appropriate communication protocol (I2C or SPI) based on the system requirements and compatibility with the microcontroller or host device.

- Environmental Factors: Shield MCP795B21-I/ST from environmental factors like temperature fluctuations and electromagnetic interference to ensure reliable operation.

MCP795B21-I/ST FAQ

1. How to order MCP795B21-I/ST on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that MCP795B21-I/ST is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MCP795B21-I/ST. All suppliers must pass our qualification reviews before they can publish their products including MCP795B21-I/ST on icwhale.com; we pay more attention to the channels and quality of MCP795B21-I/ST products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MCP795B21-I/ST price and inventory displayed accurate?

The price and inventory of MCP795B21-I/ST fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

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 MCP795B21-I/ST?

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 MCP795B21-I/ST we delivered, we will accept the replacement or return of the MCP795B21-I/ST 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 MCP795B21-I/ST.

(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