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Intel MD8255A/B
Programmable Peripheral Interface
Brands: Intel Corp
Mfr.Part #: MD8255A/B
Datasheet: MD8255A/B Datasheet (PDF)
Package/Case: DIP-40
Product Type: Interface ICs
RoHS Status:
Stock Condition: 3606 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Features
- the features of the Intel 8255A (MD8255A/B) include 24 I/O pins that can be individually programmed in 2 groups of 12
- with 3 major modes of operation available
- In MODE 0
- each group of 12 pins can be programmed in sets of 4 as input or output
- In MODE 1
- each group can have 8 lines of input or output
- with the remaining pins used for handshaking and interrupt control signals
- MODE 2 is a bidirectional bus mode using 8 lines for a bidirectional bus and 5 lines for handshaking
Application
- the Intel 8255A is a general-purpose programmable I/O device designed for use with Intel microprocessors
- It has 24 I/O pins that can be individually programmed in different modes of operation
- The applications of the MD8255A/B include interfacing with microprocessors for input/output operations
- handshaking
- and interrupt control signals
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| place | launch_date | ||
| last_inspection_date | 18 APR 2023 | rohs_version | 2011/65/EU, 2015/863 |
| supplier_cage_code | 3V146 | htsusa | 8542390001 |
| schedule_b | 8542390000 | ppap | False |
| aec |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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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 | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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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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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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The MD8255A/B chip is a programmable peripheral interface chip that provides parallel I/O ports and is commonly used in microprocessor-based systems. It has 24 I/O lines divided into three 8-bit ports and can be configured for input or output operations. It is often used for interfacing external devices, such as keyboards, displays, and printers, to a microprocessor system.
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Equivalent
The equivalent products of MD8255A/B chip are Intel 8255A, NEC D8255AC, Fujitsu MB8255A, and Samsung S5A8255A. These chips are all compatible with the MD8255A/B and can be used in place of each other for various applications. -
Features
The MD8255A/B is an integrated circuit with 24 I/O lines, programmable I/O modes, and three 8-bit ports. It has an internal 8-bit bidirectional data bus and control bus, making it compatible with a wide range of microprocessors. Additionally, it includes interrupt control, timer functions, and memory-mapped I/O. -
Pinout
The MD8255A/B is an 8255 programmable peripheral interface with a 40-pin configuration. It has 24 I/O lines divided into three 8-bit ports (Port A, Port B, Port C) with three 8-bit control registers and is used for interfacing and communication between a microprocessor and external devices. -
Manufacturer
The MD8255A/B is manufactured by Intel Corporation. Intel is an American multinational corporation known for designing and manufacturing semiconductor chips and other technologies used in computing devices. Established in 1968, Intel is one of the largest and most influential technology companies in the world. -
Application Field
The MD8255A/B is commonly used in various applications such as industrial control systems, automotive electronics, programmable logic controllers (PLCs), and electronic cash registers. It is also utilized in communication equipment, network devices, and other embedded systems requiring versatile parallel I/O capability. -
Package
The MD8255A/B chip is typically packaged in a 40-pin PDIP (Plastic Dual In-line Package) or 44-pin PLCC (Plastic Leaded Chip Carrier) form. The size of the chip is approximately 10mm x 25mm, with a pin pitch of 2.54mm.
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