HEF4511BT,653

Product Overview

Category: Integrated Circuit (IC)

Use: The HEF4511BT,653 is a BCD to 7-segment latch/decoder/driver IC. It is commonly used in digital display applications where BCD inputs need to be converted and displayed on a 7-segment LED display.

Characteristics: - Converts Binary Coded Decimal (BCD) inputs to 7-segment display outputs - Latches the input data for stable output display - Drives common-cathode type 7-segment LED displays - Low power consumption - Wide operating voltage range - High noise immunity - Compact package size

Package: SO-16 (Small Outline 16-pin package)

Essence: The HEF4511BT,653 is an essential component in digital display systems, enabling the conversion of BCD data into a format suitable for driving 7-segment LED displays.

Packaging/Quantity: The HEF4511BT,653 is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 3V to 18V
• Input Voltage Range: 0V to VDD
• Output Current: 25mA (max)
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 60ns (typical)
• Power Dissipation: 500mW (max)

Pin Configuration

The HEF4511BT,653 IC has a total of 16 pins arranged as follows:

+-----+ A --|1 16|-- VDD B --|2 15|-- F C --|3 14|-- G D --|4 13|-- E LT --|5 12|-- BCD D BI --|6 11|-- BCD C LE --|7 10|-- BCD B GND --|8 9|-- BCD A +-----+

Functional Features

• BCD to 7-segment conversion: The HEF4511BT,653 can convert Binary Coded Decimal (BCD) inputs into the corresponding 7-segment display outputs.
• Latching capability: The input data can be latched, allowing for stable and persistent display output.
• Driving common-cathode displays: It is designed to drive common-cathode type 7-segment LED displays.
• Noise immunity: The IC has high noise immunity, ensuring reliable operation in noisy environments.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices. - Wide operating voltage range allows for flexibility in various applications. - High noise immunity ensures reliable performance even in noisy environments.

Disadvantages: - Limited to driving common-cathode type 7-segment LED displays. - Requires additional components for multiplexing or controlling multiple displays.

Working Principles

The HEF4511BT,653 works by taking BCD inputs (A, B, C, D) and converting them into the corresponding 7-segment display outputs (A, B, C, D, E, F, G). The input data can be latched using the LE (Latch Enable) pin, providing a stable output display. The IC drives common-cathode type 7-segment LED displays, where each segment of the display is controlled by a separate output pin.

Detailed Application Field Plans

The HEF4511BT,653 finds applications in various digital display systems, including: - Digital clocks - Counters and timers - Scoreboards - Instrumentation panels - Temperature displays - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the HEF4511BT,653 IC include: - CD4511BC: Similar BCD to 7-segment latch/decoder/driver IC from Texas Instruments. - MM74C48: BCD to 7-segment decoder/driver IC from Fairchild Semiconductor. - SN54LS47: BCD to 7-segment decoder/driver IC from Texas Instruments.

These alternative models offer similar functionality and can be used as replacements for the HEF4511BT,653 in various applications.

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