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HT16512

Name: HT16512
Rating: 4.7 (12 reviews)

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Mfr。パート #HT16512
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データシート
在庫中7460

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仕様

Manufacturer	Holtek Semicon
Package	LQFP-44(10x10)

概要

Description

HT16512 is a specific integrated circuit (IC) designed for applications in digital display systems, particularly in controlling 7-segment LED displays. It serves as a driver that interprets binary input signals and translates them into the appropriate configurations for illuminating the segments of the display, enabling users to visualize numerical data effectively. The HT16512 is typically used in electronic devices for displaying numerical outputs, such as clocks, counters, and measurement instruments.
Key features of the HT16512 include its capability to interface with microcontrollers, its support for multiple display formats, and its ease of integration into existing designs. The IC often comes with built-in functions for brightness control and multiplexing, which enhance display visibility and efficiency. Overall, HT16512 provides a reliable solution for designers looking to implement clear and versatile digital readouts in their electronic products.

Features

The HT16512 is a versatile 16-key matrix keypad decoder and controller. Key features include:
1. Matrix Keypad Support: It can handle up to 16 keys in a 4x4 matrix configuration, making it ideal for various input applications.
2. Direct Output: The device provides a direct output for each key pressed, enabling easy interfacing with microcontrollers or other digital systems.
3. Low Power Consumption: Designed for efficient power usage, making it suitable for battery-operated devices.
4. Programmable Scanning Rate: The scanning rate can be adjusted, allowing for flexible performance in different applications.
5. Integrated Debounce Functionality: It includes built-in debounce features to eliminate false triggering from mechanical bounce.
6. Easy Interfacing: The HT16512 can easily connect with common microcontroller platforms, simplifying the design process for developers.
Overall, the HT16512 is an effective solution for projects requiring reliable user input via a keypad interface.

Package

The HT16512 is typically available in a 28-pin DIP (Dual In-line Package) and a 28-pin SOP (Small Outline Package) configuration. These package types facilitate easy integration into various electronic circuits and systems.

Pinout

The HT16512 is a 16-segment LED display driver IC, commonly used for driving alphanumeric displays. It typically features a 40-pin dual in-line package (DIP).
Pin Count and Functions:
1. Pins 1-8: Segment outputs (a to g, dp).
2. Pins 9-12: Control pins (e.g., D0-D3 for data input).
3. Pins 13-16: Control pins for enabling and latching data (e.g., STB, CLK).
4. Pins 17-20: Additional data and control inputs.
5. Pins 21-28: Additional outputs and functions (e.g., multiplexing control).
6. Pins 29-32: Power and ground (VCC, GND).
7. Pins 33-40: Other control or output functions, depending on the specific configuration.
The HT16512 is used in applications like digital clocks, measurement displays, and other devices requiring controlled LED output. It facilitates multiplexing to reduce the number of required pins for control, making it efficient for driving multiple segments.

Manufacturer

The HT16512 is manufactured by Holtek Semiconductor Inc., a company that specializes in the design and production of microcontrollers, integrated circuits, and other semiconductor devices. Founded in 1998 and based in Taiwan, Holtek focuses on providing innovative solutions for various applications, including consumer electronics, industrial automation, and automotive systems. The company is recognized for its expertise in embedded system technologies, particularly in the development of microcontroller units (MCUs) with integrated peripherals for diverse applications. Holtek's products are widely used in the electronics industry, catering to both low-power and high-performance requirements.

Application

The HT16512 is commonly used in applications such as digital displays, LED and LCD multiplexing, and control systems. It serves as a keypad encoder, facilitating user input in electronic devices. Additionally, it is utilized in various consumer electronics, automotive displays, and industrial control panels, providing efficient data management and display functionality.

Equivalent

The HT16512 chip is a 16-segment LED driver. Equivalent products include the MAX6951/6952 from Maxim Integrated, the HT1632C from Holtek, and the MCP23017 from Microchip (although it requires additional components for LED driving). For specific applications, consider the TM1637 or TM1640, which are also used for driving 7-segment displays. Always verify compatibility with your specific project requirements.