MC14489BDWE

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MC14489BDWE

+BOM

IC DRVR 7 SEGMENT 20SOIC

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package / Case Tube
Part Status Not For New Designs
Display Type LED
Configuration 7 Segment
Interface Serial
Supply Current 5.5 mA
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 130°C
Mounting Type Surface Mount

개요

Description

The MC14489BDWE is a versatile display interface integrated circuit (IC) designed by ON Semiconductor. It is primarily used to drive multi-digit LED displays, making it particularly suitable for applications in consumer electronics, industrial control systems, and automotive dashboards. This IC can directly drive up to five 7-segment LED displays and provide support for decimal points, thereby enhancing display capabilities for numerical data.
Key features include a built-in 5-bit input shift register, which simplifies the data entry process, and a 5-bit latch and decoding logic that ease interfacing with microcontrollers. The MC14489BDWE operates over a wide voltage range, typically from 3V to 15V, allowing flexibility in different power supply environments. Additionally, it offers low power consumption, making it efficient for battery-operated devices.
The IC comes in a compact SOIC-24 package, which is suitable for space-constrained designs. With its ability to handle multiple display formats and its ease of integration, the MC14489BDWE is well-suited for applications requiring reliable and efficient LED display control.

Equivalent

The MC14489BDWE is a 5-digit LED display driver with integrated decoder and multiplex scan circuitry. Equivalent or similar products include the MAX7219 and MAX7221 from Maxim Integrated, as they are also LED display drivers with similar functionalities. Additionally, the HT16K33 from Holtek and the TM1637 from Titan Microelectronics are alternatives, though their features may vary slightly. Always check the specific electrical characteristics and package compatibility when selecting a substitute.

Features

The MC14489BDWE is an integrated circuit designed for driving LED displays, particularly those using 7-segment alphanumeric characters. Key features of this device include:
1. LED Driver: Capable of driving up to five 7-segment displays and various LED applications.
2. Serial Interface: Features a simple serial input interface for ease of use with microcontrollers and other digital systems.
3. Segment Current Control: Allows for adjustable current control, providing flexibility in brightness and power consumption.
4. Low Power Consumption: Designed for efficient operation, minimizing energy usage in battery-powered applications.
5. Wide Operating Voltage Range: Supports a range of voltages, enhancing compatibility with different system requirements.
6. High Noise Immunity: Built to withstand noise from various sources, ensuring reliable performance.
7. Compact Package: Available in a compact form factor, which is advantageous for space-constrained applications.
These features make the MC14489BDWE suitable for a wide range of applications, including consumer electronics, automotive displays, and industrial controls.

Pinout

The MC14489BDWE is a 28-pin LED display driver IC designed to interface with microprocessors, enabling the control of multiple 7-segment LED displays. The pin functions are as follows:
1. VDD (Pin 1): Positive power supply.
2. DIN (Pin 2): Serial data input.
3. LOAD (Pin 3): Control signal to latch data.
4. CLK (Pin 4): Serial clock input.
5. DOUT (Pin 5): Serial data output for cascading devices.
6-11. DIGIT SELECT (Pins 6-11): Selects active digit for display.
12-19. SEGMENT DRIVER (Pins 12-19): Drives the segments of the LED display.
20. GND (Pin 20): Ground connection.
21-28. SEGMENT DRIVER/PWM CONTROL (Pins 21-28): Additional segment drivers or used for PWM control.
The MC14489BDWE allows for efficient control of up to five 7-segment displays with decimal points, providing a simple interface through serial data input. It is often used in applications requiring low-power consumption and minimal I/O pin usage, such as clocks, meters, or any numeric display systems.

Manufacturer

The MC14489BDWE is manufactured by ON Semiconductor. ON Semiconductor is a leading global supplier of semiconductor-based solutions. The company provides a wide range of products, including power and signal management, logic, discrete, and custom devices for a variety of industries such as automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, military/aerospace, and power applications. ON Semiconductor focuses on energy-efficient innovations, helping customers reduce global energy use.

Application

The MC14489BDWE is an integrated circuit designed primarily for driving multiplexed LED displays. Its application areas include:
1. Consumer Electronics: Used in devices like digital clocks, home appliances, and gaming consoles for display purposes.
2. Automotive: Employed in dashboard displays and infotainment systems for displaying vehicle information.
3. Industrial Equipment: Utilized in control panels and instrumentation for status indication and data presentation.
4. Communication Devices: Applied in telecommunication equipment for visual feedback and status displays.
5. Medical Devices: Incorporated in diagnostic equipment and medical monitors for clear numeric and status display.
These applications leverage its ability to efficiently manage multiple LED segments with minimal external components.

Package

The MC14489BDWE is a 28-pin surface-mount device (SMD) with a small-outline integrated circuit (SOIC) package type.

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