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Microchip AT89C55WD-24PU
40-pin PDIP Package
Brands: Microchip
Mfr.Part #: AT89C55WD-24PU
Datasheet: AT89C55WD-24PU Datasheet (PDF)
Package/Case: PDIP-40
Product Type: Embedded Processors & Controllers
RoHS Status:
Stock Condition: 3660 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomAT89C55WD-24PU General Description
The AT89C55WD-24PU is a microcontroller manufactured by Atmel, now owned by Microchip Technology. It belongs to the 8051 family of microcontrollers, known for their versatility and widespread use in embedded systems. Operating at a frequency of 24 MHz, it offers 20 I/O lines, 256 bytes of RAM, and 20 KB of Flash memory for program storage. It supports a wide voltage range of 4.0V to 6.0V, making it suitable for various applications. Additionally, it features a built-in UART (Universal Asynchronous Receiver/Transmitter) for serial communication, which enhances its utility in interfacing with other devices. The AT89C55WD-24PU also includes on-chip timers/counters and interrupt capabilities, facilitating precise timing and event-driven programming. With its rich feature set and robust design, it serves as a reliable solution for diverse embedded system projects, ranging from consumer electronics to industrial automation
Features
- High-performance 8-bit microcontroller
- 24 MHz operating frequency
- 5V voltage supply
- 55KB of in-system programmable Flash memory
- 2048 bytes of RAM
- Extended memory addressing for 64KB data memory space
- On-chip oscillator and clock circuitry
Application
- Embedded systems
- Industrial control systems
- Home automation
- Security systems
- Automotive control systems
- Medical devices
- Consumer electronics
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Program Memory Size (KB) | 20 | RAM (bytes) | 0 |
| Data EEPROM (bytes) | 0 | Pin Count | 44 |
| Operation Voltage Max.(V) | 6 | Operation Voltage Min.(V) | 4 |
| Timers | 0 x 8-bit - 0 x 16-bit | Max ADC Resolution (bits) | 0 |
| ADC Channels | 0 | Zero Cross Detect | No |
| Number of Comparators | 0 | SPI | 0 -SPI |
| I2C | 0 -I2C | Stand alone PWM | 0 |
| Low Power | No | Numerically Controlled Oscillator (NCO) | 0 |
| Data Signal Modulator (DSM) | 0 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
 |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
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 | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
 |
Paypal | charge 4.0% service fee. |
 |
Credit Card | charge 3.5% service fee. |
 |
Western Union | charge US.00 banking fee. |
 |
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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Step1 :Product
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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Step4 :Individual packaging
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![Packaging boxes]( "Packaging boxes")
Step5 :Packaging boxes
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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.
Part points
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AT89C55WD-24PU is a high-performance microcontroller chip from the AT89 series by Atmel. It operates at a maximum frequency of 24 MHz and has 20 I/O lines, 64KB Flash memory, and 2KB RAM. The chip also includes various interfaces such as UART, SPI, and I2C for communication purposes. It is commonly used in embedded systems, robotics, and industrial applications.
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Equivalent
STMicroelectronics' STM8S207C8T6, Microchip's PIC18F8722-I/PT, and Texas Instruments' MSP430F423AIPM are some equivalent products to the AT89C55WD-24PU chip. -
Features
AT89C55WD-24PU is an 8-bit microcontroller with the following features: 20K Bytes of Flash memory, 256 Bytes of RAM, 32 programmable I/O lines, 3 Timers/Counters, UART, SPI, and I2C interfaces, 6-channel 10-bit ADC, 2 Comparators, and 4 interrupt sources. It operates at a frequency of 24 MHz and has an operating temperature range of -40°C to +85°C. -
Pinout
The AT89C55WD-24PU is an 8-bit microcontroller with a pin count of 40. It features a wide range of functions including 4K bytes of Flash memory, 256 bytes of RAM, a 3-level interrupt system, and various serial interfaces like UART, SPI, and I2C. -
Manufacturer
The manufacturer of the AT89C55WD-24PU is Atmel Corporation. It is a semiconductor company that specializes in designing and manufacturing microcontrollers, touch solutions, memory, and other electronic components for various markets including automotive, industrial, and consumer electronics. -
Application Field
The AT89C55WD-24PU microcontroller can be used in various application areas such as industrial automation, measurement and control systems, home appliances, motor control, embedded systems, and telecommunications equipment. -
Package
The AT89C55WD-24PU chip is of the DIP-40 package type, which refers to a Dual In-line Package with 40 pins. It has a standard rectangular form with a plastic body and leads extending from both sides, allowing for easy insertion into a DIP socket or PCB.
Datasheet PDF
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