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Name: GAL20V8-20LNC
Brand: National Semiconductor
SKU: GAL20V8-20LNC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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National Semiconductor GAL20V8-20LNC

Part No.:: GAL20V8-20LNC

Manufacturer:: National Semiconductor

Package:: -

Datasheet:: GAL20V8-20LNC.pdf

Description:: EE PLD, 20NS, PAL-TYPE

In Stock:: 11435

Quantity:: Add To Cart

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GAL20V8-20LNC Specifications

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

GAL20V8-20LNC this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including GAL20V8-20LNC 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 GAL20V8-20LNC 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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GAL20V8-20LNC information

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Basic introduction and simple engineering application of GAL20V8-20LNC

GAL20V8-20LNC is a programmable logic device (PLD) with 24 pins, commonly used in digital circuit design for its flexibility and versatility. It belongs to the GAL (Generic Array Logic) family of PLDs and offers 20 input/output pins and 8 logic macrocells, providing ample resources for small to medium-scale digital designs.

Introduction:

GAL20V8-20LNC is widely utilized in various applications, including but not limited to, prototyping, educational projects, and small-scale automation tasks. Its programmability allows users to implement custom logic functions tailored to specific project requirements.

Application Scenario:

In a digital alarm clock project, GAL20V8-20LNC can be employed to control the display, manage alarm settings, and handle user input. Let's delve into the circuit design and implementation steps:

Circuit Design:

To design a digital alarm clock using GAL20V8-20LNC, follow these steps:

1. Display Interface:

Connect a 7-segment LED display to the output pins of GAL20V8-20LNC. Utilize appropriate current-limiting resistors to ensure safe operation of the display segments. Map the display pins to the logic outputs of the GAL device for controlling the display digits.

2. Timekeeping:

Integrate a real-time clock (RTC) module with GAL20V8-20LNC to keep track of time. Use dedicated pins for interfacing with the RTC module, allowing the GAL device to read and update the current time as needed.

3. Alarm Functionality:

Implement logic functions within GAL20V8-20LNC to handle alarm settings and trigger alarm events at specified times. Utilize input pins to receive user input for setting the alarm time and enable/disable alarm functionality.

4. User Interface:

Integrate input devices, such as push buttons or a keypad, for user interaction. Map the keypad pins to the input pins of GAL20V8-20LNC to detect user input and navigate through menu options for setting the time and alarm parameters.

5. Power Management:

Ensure proper power supply and decoupling capacitors are in place to provide stable voltage levels to GAL20V8-20LNC and connected components. Implement power-saving features to minimize energy consumption during idle periods.

Considerations:

When designing the digital alarm clock circuit, consider the following:

- Timing Accuracy: Ensure the RTC module provides accurate timekeeping to prevent clock drift and inaccuracies in alarm triggering.

- Debouncing Input: Implement debounce algorithms to filter out bouncing signals from push buttons or keypad inputs to prevent false triggering.

- Display Multiplexing: Use multiplexing techniques to drive multiple digits of the 7-segment LED display efficiently, minimizing pin count and simplifying circuit complexity.

- Alarm Signal Generation: Design a distinct alarm signal to alert users, such as a buzzer or an additional LED indicator, triggered by GAL20V8-20LNC when the alarm condition is met.

- Firmware Optimization: Write efficient firmware code to maximize the utilization of GAL20V8-20LNC resources and ensure smooth operation of the digital alarm clock.

GAL20V8-20LNC FAQ

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3. Are the GAL20V8-20LNC price and inventory displayed accurate?

The price and inventory of GAL20V8-20LNC 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 GAL20V8-20LNC?

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 GAL20V8-20LNC we delivered, we will accept the replacement or return of the GAL20V8-20LNC 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 GAL20V8-20LNC.

(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