CD74HC238M96

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CD74HC238M96

IC DECODER/DEMUX 1 X 3:8 16-SOIC

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規格

Series 74HC
Part Status Active
Base Product Number 74HC238
Type Decoder/Demultiplexer
Circuit 1 x 3:8
Independent Circuits 1
Current - Output High, Low 5.2mA, 5.2mA
Voltage Supply Source Single Supply
Voltage - Supply 2V ~ 6V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC

概述

Description

The CD74HC238M96 is a high-speed CMOS 3-to-8 line decoder/demultiplexer. It converts a 3-bit binary input into one of eight active low outputs. This device is designed for high-speed operation and low power consumption, making it suitable for modern digital applications.
Key features include:
1. Input and Output: Three binary inputs (A0, A1, A2) select one of the eight outputs (Y0-Y7). The selected output goes low while all others remain high.
2. Enable Inputs: It has three enable inputs (G1, G2A, G2B) that control the operation. The device is active only when G1 is high and both G2A and G2B are low.
3. Speed and Power: Operates at high speeds (up to 6 MHz) with low power requirements, making it suitable for battery-operated devices.
4. Voltage Range: Compatible with standard logic levels (typically 2V to 6V).
Applications include memory address decoding, data routing, and signal demultiplexing in digital circuits.

Features

The CD74HC238M96 is a high-speed CMOS 3-to-8 line decoder/demultiplexer. Key features include:
1. Functionality: It decodes 3 binary inputs into one of eight active low outputs, allowing for efficient signal routing.
2. High-Speed Operation: With a maximum propagation delay of 25 ns at 5 V, it supports fast digital applications.
3. Wide Supply Voltage Range: Operates within a supply voltage range of 2 V to 6 V, compatible with various logic levels.
4. Low Power Consumption: Consumes low static and dynamic power, making it suitable for battery-powered devices.
5. Active Low Outputs: Outputs are active low, providing clear signal differentiation.
6. Enable Inputs: Features two active high enable inputs for enhanced control over the outputs.
7. Pin Configuration: Available in a 16-pin surface-mount package, facilitating compact designs.
8. TTL-Compatible: Compatible with TTL logic levels, ensuring interoperability with existing systems.
These features make the CD74HC238M96 ideal for applications in decoding, memory address decoding, and demultiplexing.

Package

The CD74HC238M96 is available in a 16-pin dual in-line package (DIP).

Pinout

The CD74HC238M96 is a 3-to-8 line decoder/demultiplexer with a total of 16 pins. Its pin count and functions are as follows:
- Pins:
- A0, A1, A2 (3 inputs): These are the address inputs used to select which one of the eight outputs will be activated.
- G1 (1 input): Active high enable input.
- G2A, G2B (2 inputs): Active low enable inputs. Both must be low to enable the device.
- Y0 to Y7 (8 outputs): The selected output corresponding to the binary value of A0, A1, and A2 gets activated (low), while all other outputs remain high.
- VCC (1 pin): Power supply pin.
- GND (1 pin): Ground pin.
This device is commonly used in digital circuits to control multiple devices with a minimal number of inputs.

Manufacturer

The CD74HC238M96 is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, particularly in analog and digital signal processing, microcontrollers, and embedded systems. Founded in 1930, the company is known for its innovation in electronics and has a strong presence in multiple markets, including automotive, industrial, communication, and consumer electronics. TI is recognized for its commitment to research and development, continually producing high-quality, reliable components for a wide range of applications.

Application

The CD74HC238M96 is a 3-to-8 line decoder/demultiplexer used in applications such as memory address decoding, data routing in digital circuits, and signal multiplexing. It facilitates the selection of one of eight outputs based on three input lines, making it useful in microprocessor interfacing, communication systems, and control logic design. Its high-speed performance and low power consumption make it suitable for consumer electronics, automotive systems, and industrial equipment.

Equivalent

The CD74HC238M96 is a 3-to-8 line decoder/demultiplexer. Equivalent products include:
1. 74HC238 - Standard logic equivalent.
2. 74HCT238 - TTL-compatible version.
3. 74AC238 - Faster AC series version.
4. MC74HC238A - Microchip variant.
5. 74LVC238 - Low-voltage version.
Check specific datasheets for detailed compatibility and specifications.

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