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Name: GAL20V8QS-15QNC
Brand: National Semiconductor
SKU: GAL20V8QS-15QNC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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National Semiconductor GAL20V8QS-15QNC

Part No.:: GAL20V8QS-15QNC

Manufacturer:: National Semiconductor

Package:: -

Datasheet:: GAL20V8QS-15QNC.pdf

Description:: EE PLD, 15NS, PAL-TYPE

In Stock:: 1020

Quantity:: Add To Cart

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GAL20V8QS-15QNC Specifications

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

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GAL20V8QS-15QNC information

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Basic introduction and simple engineering application of GAL20V8QS-15QNC

GAL20V8QS-15QNC is a programmable logic device (PLD) widely used in digital circuit design for its flexibility and versatility. It belongs to the GAL (Generic Array Logic) family of PLDs and offers 20 inputs, 8 outputs, and 8 product terms per output.

Introduction:

GAL20V8QS-15QNC is a member of the GAL family of programmable logic devices manufactured by Lattice Semiconductor. It is commonly used in various digital systems, including simple control circuits, logic analyzers, and small-scale automation projects.

Features:

- GAL20V8QS-15QNC provides 20 inputs and 8 outputs, allowing for versatile logic configurations.

- With 8 product terms per output, it offers flexibility in implementing complex Boolean functions.

- The device operates at a speed grade of 15ns (nanoseconds), suitable for applications requiring moderate speed performance.

- It comes in a Quad Flat Package (QFP) with 32 pins, making it easy to integrate into circuit designs.

Application Example:

In this example, we'll use GAL20V8QS-15QNC to implement a simple traffic light controller. The controller will manage the timing of traffic lights at a four-way intersection.

Experiment Steps:

1. Design Logic Equations:

Define the Boolean functions for controlling the traffic lights based on the desired timing sequence. For example:

- Input A: Pedestrian crossing request

- Input B: Traffic from North-South direction

- Input C: Traffic from East-West direction

- Output X: Green light for North-South direction

- Output Y: Green light for East-West direction

Design logic equations to determine the states of outputs X and Y based on inputs A, B, and C.

2. Programming the GAL20V8QS-15QNC:

Use a hardware description language (HDL) or a schematic entry tool to define the logic equations and program the GAL20V8QS-15QNC accordingly. Ensure that the pin assignments are correctly configured for inputs, outputs, and product terms.

3. Circuit Implementation:

Connect the programmed GAL20V8QS-15QNC to the control circuitry of the traffic lights. Ensure proper power supply and decoupling capacitors are used to maintain stable operation.

4. Testing and Verification:

Verify the functionality of the traffic light controller by simulating various traffic scenarios and pedestrian crossings. Ensure that the timing sequence of the traffic lights follows the desired pattern and adheres to safety regulations.

Conclusion:

In this article, we introduced the GAL20V8QS-15QNC programmable logic device and demonstrated its application in a simple traffic light controller project. By following the provided experiment steps, students and beginners can gain hands-on experience in digital circuit design and logic implementation using PLDs.

GAL20V8QS-15QNC FAQ

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3. Are the GAL20V8QS-15QNC price and inventory displayed accurate?

The price and inventory of GAL20V8QS-15QNC 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-15QNC?

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-15QNC we delivered, we will accept the replacement or return of the GAL20V8QS-15QNC 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-15QNC.

(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