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Name: GAL20V8QS-25QNI
Brand: National Semiconductor
SKU: GAL20V8QS-25QNI
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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National Semiconductor GAL20V8QS-25QNI

Part No.:: GAL20V8QS-25QNI

Manufacturer:: National Semiconductor

Package:: -

Datasheet:: GAL20V8QS-25QNI.pdf

Description:: EE PLD, 25NS, PAL-TYPE

In Stock:: 3821

Quantity:: Add To Cart

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GAL20V8QS-25QNI Specifications

Package/Case:
-
Packaging:
Bulk
Series:
*
ProductStatus:
Active
ProgrammableType:
-
DelayTimetpd(1)Max:
-
VoltageSupply-Internal:
-
NumberofLogicElements/Blocks:
-
NumberofMacrocells:
-
NumberofGates:
-
NumberofI/O:
-
OperatingTemperature:
-
MountingType:
-

GAL20V8QS-25QNI this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including GAL20V8QS-25QNI 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 GAL20V8QS-25QNI 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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GAL20V8QS-25QNI information

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Basic introduction and simple engineering application of GAL20V8QS-25QNI

GAL20V8QS-25QNI is a programmable logic device (PLD) widely used in digital circuit design for its versatility and flexibility. It belongs to the GAL family of PLDs produced by Lattice Semiconductor Corporation.

Basic Introduction:

The GAL20V8QS-25QNI features 24 inputs and 8 outputs, with a total of 20 macrocells for implementing custom logic functions. It operates at a speed grade of 25QNI, indicating a maximum propagation delay of 25ns. This PLD offers non-volatile programming, meaning its logic configuration remains intact even when power is removed.

Application Scenario:

In this educational project, we'll explore the application of GAL20V8QS-25QNI in building a simple digital combination lock. The lock will consist of a keypad for input, a display for feedback, and the GAL20V8QS-25QNI serving as the core logic controller.

Project Implementation:

To build the digital combination lock using GAL20V8QS-25QNI, follow these steps:

1. Schematic Design:

Design the schematic diagram of the digital combination lock, including the keypad interface, display interface, and connections to GAL20V8QS-25QNI. Use software tools like Quartus Prime or Lattice Diamond for schematic capture and design entry.

2. Logic Implementation:

Write the logic equations or truth tables for the combination lock functionality. Map these logical functions onto the macrocells of GAL20V8QS-25QNI using the respective PLD programming tool.

3. Pin Assignment:

Assign the input and output pins of GAL20V8QS-25QNI according to the schematic design. Ensure proper pinout assignment to interface with the keypad, display, and other peripheral components.

4. Programming:

Program the logic configuration into GAL20V8QS-25QNI using a suitable programmer device. Verify the programming and ensure successful configuration of the PLD.

5. System Integration:

Connect the keypad, display, and power supply to the circuit. Test the functionality of the digital combination lock by entering different combinations and observing the display output.

Considerations:

When building the digital combination lock, consider the following:

- Keypad Debouncing: Implement debounce logic to filter out switch bouncing and ensure reliable keypad input.

- Display Feedback: Provide clear feedback on the display to indicate successful or unsuccessful attempts at entering the combination.

- Security: Implement appropriate security measures to prevent unauthorized access, such as limiting the number of incorrect attempts or adding a timeout feature.

- Power Supply: Ensure stable power supply to GAL20V8QS-25QNI and other components to maintain reliable operation.

- Testing and Debugging: Thoroughly test the digital combination lock to verify its functionality and address any issues through debugging techniques.

GAL20V8QS-25QNI FAQ

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3. Are the GAL20V8QS-25QNI price and inventory displayed accurate?

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6. What is the process for return or replacement of GAL20V8QS-25QNI?

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 GAL20V8QS-25QNI we delivered, we will accept the replacement or return of the GAL20V8QS-25QNI 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 GAL20V8QS-25QNI.

(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