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Name: TCA8418RTWR
Brand: Texas Instruments
SKU: TCA8418RTWR
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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Texas Instruments TCA8418RTWR

Part No.:: TCA8418RTWR

Manufacturer:: Texas Instruments

Package:: 24-WFQFN Exposed Pad

Datasheet:: TCA8418RTWR.pdf

Description:: IC INTERFACE SPECIALIZED 24WQFN

In Stock:: 3123

Quantity:: Add To Cart

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TCA8418RTWR Specifications

Package/Case:
24-WFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
Applications:
PDA's, Portable Audio/Video, Smartphones
Interface:
I²C, 2-Wire Serial
Voltage-Supply:
1.65V ~ 3.6V

TCA8418RTWR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TCA8418RTWR 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 TCA8418RTWR 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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TCA8418RTWR information

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TCA8418RTWR Typical application Circuitry

TCA8418RTWR

The TCA8418RTWR is an integrated circuit (IC) designed by Texas Instruments, which functions as a keypad scan IC with an I²C interface. It is used to detect key presses and key releases in matrix keypad applications, reducing the number of GPIO pins required by the host microcontroller or processor. Here's a detailed description of the TCA8418RTWR:

1. Keypad Scanner: The TCA8418RTWR is designed to interface with and scan matrix keypads. It can support upto an 8x10 matrix, allowing for a maximum of 80 keys.

2. I²C Interface: The IC communicates with the host processor or microcontroller via the I²C serial interface. This allows the host to query the IC for key press and release events.

3. Interrupt Output: The TCA8418RTWR provides an interrupt output that can notify the host processor when a key press or key release event is detected. This helps in reducing polling overhead and allows for more efficient event-driven programming.

4. Configurable Pull-Up/Pull-Down Resistors: The IC has configurable internal pull-upand pull-down resistors which can be used to eliminate the need for external resistors in the keypad matrix.

5. Auto-Incrementing Data Register Read: The TCA8418RTWR has an auto-incrementing data register read feature, which simplifies the reading of key press/release events.

6. Key Event Registers: The IC has FIFO (First-In, First-Out) key event registers that store upto 10 key events (key press and key release) with their respective key codes.

7. Multi-Key Detection: The TCA8418RTWR can detect multiple key presses and releases simultaneously.

8. Low-Voltage Operation: The IC is designed to operate at low voltages, making it suitable for battery-powered devices.

9. Package: The TCA8418RTWR is typically available in a VQFN (Very Thin Quad Flat No-lead) package, which is suitable for space-saving applications.

10. Applications: This IC is ideal for applications that require a matrix keypad interface, such as mobile phones, remote controls, security systems, and industrial control panels.

11. Datasheet: For detailed specifications, pin configurations, electrical characteristics, and application notes, it is recommended to consult the datasheet of the TCA8418RTWR, which can be obtained from Texas Instruments' website or electronic component distributors.

In summary, the TCA8418RTWR is a keypad scan IC designed to interface with matrix keypads, providing features like multi-key detection, internal pull-up/pull-down resistors, and an I²C interface for communication with a host processor.

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6. What is the process for return or replacement of TCA8418RTWR?

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 TCA8418RTWR we delivered, we will accept the replacement or return of the TCA8418RTWR 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 TCA8418RTWR.

(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