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

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National Semiconductor GAL20V8QS-25QNC

Part No.:: GAL20V8QS-25QNC

Manufacturer:: National Semiconductor

Package:: -

Datasheet:: GAL20V8QS-25QNC.pdf

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

In Stock:: 10418

Quantity:: Add To Cart

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GAL20V8QS-25QNC Specifications

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

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

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Basic introduction and simple engineering application of GAL20V8QS-25QNC

GAL20V8QS-25QNC is a programmable logic device (PLD) widely used in digital circuit design for its flexibility and versatility. It belongs to the GAL family of PLDs and offers 20 inputs, 8 outputs, and 8 product terms per output, providing ample resources for various logic functions.

Application Scenario:

In digital electronics projects, GAL20V8QS-25QNC can be utilized for tasks such as signal routing, logic control, and state machine implementation. Let's explore a simple project where we use GAL20V8QS-25QNC to create a traffic light controller.

Circuit Design:

To design a traffic light controller using GAL20V8QS-25QNC, follow these steps:

1. Traffic Light States:

Define the different states of the traffic light system, such as green, yellow, and red lights for each direction of traffic flow.

2. Input Signals:

Identify the input signals required for the system, such as pedestrian crossing requests and vehicle presence detectors.

3. Logic Implementation:

Using Boolean logic expressions, define the conditions for transitioning between different traffic light states based on the input signals and timing requirements.

4. Output Control:

Assign the output signals to control the actual traffic light lamps. Each output of GAL20V8QS-25QNC can drive an LED or relay to control the lights.

5. Programming:

Program GAL20V8QS-25QNC using a hardware description language (HDL) such as VHDL or Verilog to implement the defined logic functions and state transitions.

Experiment:

Let's conduct a simple experiment to understand the behavior of our traffic light controller:

1. Setup:

Connect LEDs or small lamps to the output pins of GAL20V8QS-25QNC to represent the traffic lights for different directions.

2. Simulation:

Apply input signals, such as simulated vehicle presence or pedestrian requests, to observe how the traffic light states change accordingly.

3. Analysis:

Analyze the behavior of the system under various scenarios, such as different traffic volumes or pedestrian crossing patterns.

4. Optimization:

Optimize the logic implementation and timing parameters to ensure efficient and safe traffic flow while minimizing congestion and delays.

Considerations:

When designing the traffic light controller circuit, consider the following:

- Timing Constraints: Ensure that the timing requirements for each traffic light state transition are met to maintain safe and efficient traffic flow.

- Input Debouncing: Implement debounce circuits for input signals, especially for sensors detecting vehicle presence or pedestrian crossings, to avoid false triggers.

- Output Driver Capability: Ensure that the output pins of GAL20V8QS-25QNC can drive the required loads (LEDs or relays) with sufficient current.

- System Reliability: Test the traffic light controller under various operating conditions to ensure reliable and consistent performance.

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

The price and inventory of GAL20V8QS-25QNC 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 GAL20V8QS-25QNC?

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

(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