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Name: PIC16F874A-I/P
Brand: Microchip Technology
SKU: PIC16F874A-I/P
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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Microchip Technology PIC16F874A-I/P

Part No.:: PIC16F874A-I/P

Manufacturer:: Microchip Technology

Package:: 40-DIP (0.600", 15.24mm)

Datasheet:: PIC16F874A-I/P.pdf

Description:: IC MCU 8BIT 7KB FLASH 40DIP

In Stock:: 3230

Quantity:: Add To Cart

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PIC16F874A-I/P Specifications

Package/Case:
40-DIP (0.600", 15.24mm)
Packaging:
Tube
Series:
PIC® 16F
RoHS:
RoHS
Speed:
20MHz
RAM Size:
192 x 8
Core Size:
8-Bit
EEPROM Size:
128 x 8
Part Status:
Active
Peripherals:
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:
I²C, SPI, UART/USART
Mounting Type:
Through Hole
Number of I/O:
33
Core Processor:
PIC
Data Converters:
A/D 8x10b
Oscillator Type:
External
Program Memory Size:
7KB (4K x 14)
Program Memory Type:
FLASH
Operating Temperature:
-40°C ~ 85°C (TA)

PIC16F874A-I/P this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PIC16F874A-I/P 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 PIC16F874A-I/P 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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PIC16F874A-I/P information

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PIC16F874A-I/P Typical application Circuitry

PIC16F874A-I P

The PIC16F874A-I/P is a microcontroller (MCU) chip designed by Microchip Technology, known for its versatility in a wide array of embedded system applications. This MCU is part of the PIC16F family, which is widely regarded for its efficiency, reliability, and ease of programming, making it a popular choice for both hobbyists and professionals in the field of electronics. Below, we delve into its functionalities, application scenarios, key specifications, and a detailed circuit connection example for a specific application.

Functionality and Application Scenarios

The PIC16F874A-I/P functions as the brain of an electronic project or system. It can be configured to carry out a multitude of functions, ranging from straightforward LED blinking to intricate serial protocol communication with other devices. Its uses are numerous and include, but are not limited to, robots, consumer electronics, automotive industries, and smart home appliances.

Key Parameters and Features

- Core Size: 8-bit

- Speed: Up to 20 MHz

- Number of I/O Pins: 33

- Memory: 256 bytes of EEPROM, 192 bytes of RAM, and 7 KB of flash program memory

- Peripherals: 2 Comparators, 2 Capture/Compare/PWM (CCP) modules, 10-bit Analog-to-Digital Converter (ADC) with 8 channels

- Communication Interfaces: UART, SPI, I²C

- Supply Voltage: 2.0V to 5.5V

Application Scenario: Serial Communication Interface

Boldly, let's focus on utilizing the PIC16F874A-I/P in a serial communication interface scenario, where it communicates with a computer or another microcontroller.

Detailed Circuit Connection

- Power Supply: Connect the VDD pin (Pin 32) to a 5V power supply and the VSS pin (Pin 31) to ground. It's crucial to ensure stable power for reliable operation.

- Oscillator Configuration: For the microcontroller to operate, it needs an oscillator. Connect a 10 MHz crystal oscillator between OSC1 (Pin 13) and OSC2 (Pin 14) pins. Place two 22 pF capacitors, each connecting from one side of the oscillator pins to the ground, to stabilize the oscillation.

- Serial Communication (USART): Utilize the RC6/TX (Pin 25) and RC7/RX (Pin 26) pins for UART communication. Connect RC6/TX to the RX pin of the computer's UART port and RC7/RX to the TX pin of the computer's UART port, facilitating two-way communication.

- Programming Pins: Utilize the In-Circuit Serial Programming (ICSP) technique to program the PIC16F874A-I/P. Connect the PGD (Pin 39) to the data line of the programmer, PGC (Pin 40) to the clock line of the programmer, and MCLR/VPP (Pin 1) to the programming voltage pin. Ensure a ground connection is established between the programmer and the microcontroller.

- Reset Circuit: Attach a 10kΩ pull-up resistor to the MCLR/VPP pin (Pin 1) to ensure the microcontroller does not reset unintentionally. For added protection, a 0.1 µF capacitor may be connected from this pin to ground to filter out noise.

Design Considerations

When designing a circuit with the PIC16F874A-I/P, several considerations must be taken into account:

- Power Supply Stability: Ensure the power supply is clean and stable. Voltage fluctuations can cause erratic behavior.

- Decoupling Capacitors: Place 0.1 µF decoupling capacitors close to the VDD and VSS pins to minimize noise.

- Oscillator Stability: The oscillator circuit must be designed carefully to prevent clock issues, ensuring the selected crystal and capacitors match the MCU's specifications.

- Programming Interface: Ensure easy access to programming pins for updates and debugging.

- Signal Integrity: For high-speed communications or in noisy environments, pay attention to signal integrity on the communication lines.

In summary, the PIC16F874A-I/P is a powerful and versatile microcontroller suitable for a myriad of applications. Through careful planning and adherence to design principles, it can be effectively incorporated into complex electronic systems, unlocking its full potential.

PIC16F874A-I/P FAQ

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3. Are the PIC16F874A-I/P price and inventory displayed accurate?

The price and inventory of PIC16F874A-I/P 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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6. What is the process for return or replacement of PIC16F874A-I/P?

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 PIC16F874A-I/P we delivered, we will accept the replacement or return of the PIC16F874A-I/P 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 PIC16F874A-I/P.

(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