CD74HC237PWR

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CD74HC237PWR

IC DECODER/DEMUX 1X3:8 16-TSSOP

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Thông số kỹ thuật

Series 74HC
Part Status Active
Base Product Number 74HC237
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-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP

Tổng quan

Description

The CD74HC237PWR is a high-speed CMOS 3-to-8 line decoder/demultiplexer. This integrated circuit (IC) is part of the 74HC family, known for its high-speed operation and low power consumption. The CD74HC237PWR has three binary inputs (A0, A1, A2) and can decode them into one of eight outputs (Y0 to Y7), with only one output being active (low) at any given time, while the others remain high.
Key features include:
- Wide operating voltage range (2V to 6V).
- High noise immunity and low power dissipation.
- TTL-compatible inputs.
- Enable inputs for additional control over output activation.
The CD74HC237PWR is ideal for applications in digital circuits where decoding of binary signals is required, such as in memory address decoding, data routing, and multiplexing in communication systems. Its compact SOIC package (PWR) makes it suitable for use in space-constrained designs.

Features

The CD74HC237PWR is a high-speed CMOS logic device that functions as a 3-to-8 line decoder/demultiplexer. Key features include:
1. Active-Low Outputs: The outputs are active low, providing inverted signals.
2. Wide Supply Voltage Range: Operates effectively with a supply voltage of 2V to 6V.
3. High-Speed Operation: Fast propagation delays, typically around 9 ns at 5V.
4. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
5. Three Enable Inputs: Features three enable inputs for flexible operation and control over decoding activity.
6. High Noise Immunity: Robust against noise, ensuring reliable performance in various environments.
7. TTL Compatibility: Compatible with TTL levels, allowing integration with other TTL logic devices.
8. Multiple Package Options: Available in various surface-mount and through-hole packages for diverse applications.
These features make the CD74HC237PWR ideal for applications requiring efficient data routing and control in digital circuits.

Package

The CD74HC237PWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 16-lead configuration.

Pinout

The CD74HC237PWR is a 3-to-8 line decoder/demultiplexer with 16 pins. Here’s a brief breakdown of its pin configuration and functions:
1. Pin Count: 16 pins.
2. Function: It decodes a 3-bit binary number into one of eight outputs.
Pin functions:
- 1 (A0): Input for the least significant bit.
- 2 (A1): Input for the middle bit.
- 3 (A2): Input for the most significant bit.
- 4 (GND): Ground connection.
- 5 (E1): Enable input (active low).
- 6 (E2): Enable input (active low).
- 7 (E3): Enable input (active low).
- 8 (Y0-Y7): Outputs (active low) corresponding to the binary input.
- 9-16: Reserved for internal connections and not typically used.
The device is used in applications that require signal routing and data selection, with high-speed operation and low power consumption.

Manufacturer

The CD74HC237PWR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments designs and produces a wide range of semiconductor products, including analog, digital signal processing (DSP), and microcontroller solutions. The company is a leader in the development of integrated circuits and is heavily involved in various markets such as industrial, automotive, communications, and consumer electronics. Founded in 1930, TI has a long history of innovation and is recognized for its commitment to advancing technology through research and development.

Application

The CD74HC237PWR is a high-speed CMOS 3-to-8 line decoder/demultiplexer. Its application areas include data routing in communication systems, memory address decoding, signal multiplexing, and digital circuit design for logic functions. It is used in situations requiring efficient decoding of binary inputs to multiple outputs, such as selecting devices in memory systems or controlling various peripheral devices in embedded systems.

Equivalent

The CD74HC237PWR is a 3-to-8 line decoder/demultiplexer. Equivalent products include:
1. 74HC237 - Same functionality and logic family.
2. 74HCT237 - TTL-compatible version.
3. 74AC237 - Faster version with AC characteristics.
4. 74LS237 - Low-power Schottky version.
Check specific datasheets for compatibility in parameters like voltage and speed for your application.

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