SN74HC240NSR

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SN74HC240NSR

IC BUFFER INVERT 6V 20SO

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Bảo hành 365 ngày

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Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Buffer, Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 7.8mA, 7.8mA
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SOIC (0.209, 5.30mm Width)

Tổng quan

Description

The SN74HC240NSR is a high-speed hex buffer/driver designed for use in digital circuits. It belongs to the 74HC family of ICs, which are known for their high-speed capabilities and low power consumption. The device features six independent buffer/driver circuits, each providing high drive capability and low output impedance, making it suitable for driving capacitive loads.
The SN74HC240 operates with a supply voltage range of 2V to 6V and is compatible with standard TTL logic levels. It has active-high inputs and can accept standard logic signals. Due to its hex configuration, it’s ideal for applications requiring multiple buffer stages, such as signal amplification or isolation.
Key features include faster switching times compared to standard logic families, improved noise immunity, and a wide operating temperature range. This makes the SN74HC240NSR suitable for various applications in consumer electronics, automotive systems, and industrial control. It is available in a surface-mount package (SOIC-14), facilitating efficient PCB layout and reduced space requirements.

Features

The SN74HC240NSR is a high-speed CMOS octal buffer/driver with three-state outputs. Key features include:
1. Logic Family: Part of the HC (high-speed CMOS) series, offering improved speed and reduced power consumption.
2. Input Compatibility: Compatible with TTL (Transistor-Transistor Logic), allowing it to interface with both TTL and CMOS logic levels.
3. Output Configuration: Eight outputs that can drive up to 15 LSTTL loads, making it suitable for various applications.
4. Three-State Outputs: The outputs can be enabled or disabled, allowing multiple devices to share the same bus.
5. Wide Supply Voltage Range: Operates from 2V to 6V, providing flexibility in design.
6. High-Speed Operation: Typical propagation delays of 6 ns (at 5V), making it suitable for high-speed applications.
7. Low Power Consumption: Features low static and dynamic power dissipation.
8. Temperature Range: Operating temperature range from -40°C to +85°C.
These features make the SN74HC240NSR ideal for applications in data buffering, signal driving, and interfacing in digital circuits.

Package

The SN74HC240NSR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The SN74HC240NSR is an octal buffer/driver with 3-state outputs. It features a total of 20 pins. The main functions include:
- Inputs: 8 data inputs (A1 to A8).
- Outputs: 8 buffered outputs (Y1 to Y8).
- Control Pins:
- OE (Output Enable): Active low input that controls the output state. When OE is low, the outputs are enabled; when high, the outputs are in a high-impedance state.

The device operates with a wide supply voltage range, typically from 2V to 6V, making it suitable for various logic applications. It is commonly used for driving high-capacitance loads and interfacing between different voltage levels. The SN74HC240 is available in various package types, including the NSR (SOP-20).

Manufacturer

The SN74HC240NSR is manufactured by Texas Instruments (TI), a major American technology company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and produces semiconductors and various integrated circuits, which are essential components in electronic devices. TI is well-known for its innovations in analog and embedded processing technologies, serving a wide range of industries, including automotive, industrial, communications, and consumer electronics. The company is recognized for its commitment to research and development, contributing significantly to advancements in electronic design and manufacturing.

Application

The SN74HC240NSR is a hex buffer/driver with 3-state outputs, commonly used in digital circuits for signal buffering and driving applications. Its key application areas include data transmission, signal conditioning, and interfacing between different logic levels. It is often utilized in microcontroller and FPGA designs, memory systems, and communication interfaces where reliable signal propagation is essential. Additionally, it can be used in automotive, industrial, and consumer electronics for enhancing signal integrity.

Equivalent

The SN74HC240NSR is a hex buffer/driver with three-state outputs. Equivalent products include:
1. 74HCT240 - TTL-compatible version.
2. SN74HCT240 - High-speed CMOS variant with TTL input levels.
3. 74HC241 - Similar buffer/driver but with additional features.
4. 74HC244 - Octal buffer/driver variant.
Always verify specific pin configurations and electrical characteristics when substituting.

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