SN74LS240N

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SN74LS240N

IC BUFFER INVERT 5.25V 20DIP

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  • Mfr。パート #SN74LS240N
  • パッケージ PDIP (N)-20
  • データシート
  • 在庫中7322

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仕様

Package Tube
Series 74LS
ProductStatus Active
LogicType Buffer, Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 15mA, 24mA
Voltage-Supply 4.75V ~ 5.25V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 20-DIP (0.300, 7.62mm)

概要

Description

The SN74LS240N is a low-power, Schottky TTL (Transistor-Transistor Logic) quad buffer/driver with three-state outputs. It features four independent buffers, each capable of driving up to 15 loads, making it suitable for interfacing between different circuit elements. The device operates with a supply voltage range of 4.75V to 5.25V and offers fast switching times, typically around 10 ns, making it effective for high-speed digital applications.
Each buffer can be enabled or disabled via an active-low enable pin, allowing for flexible system design and control. The SN74LS240N is commonly used in applications like data routing, signal buffering, and driving high-capacitance loads. It’s available in various package types, including DIP and surface mount, ensuring compatibility with various electronic designs. Overall, the SN74LS240N is a reliable and versatile component widely used in digital circuits.

Features

The SN74LS240N is a dual octal buffer/driver with 3-state outputs from Texas Instruments. Key features include:
1. Buffer Functionality: It provides high-speed buffering for data lines, enhancing signal integrity.
2. Three-State Outputs: Outputs can be enabled or disabled, allowing for multiple devices to connect to a single bus without interference.
3. High Speed: Typical propagation delay is around 7 nanoseconds, suitable for fast digital circuits.
4. Wide Supply Voltage Range: Operates typically between 4.75V and 5.25V, compatible with various logic levels.
5. Low Power Consumption: Designed for low power operation, making it efficient for battery-operated devices.
6. TTL Compatible: Fully compatible with TTL logic levels and can drive TTL inputs directly.
7. Temperature Range: Operating temperature range from 0°C to 70°C, suitable for standard commercial applications.
8. Pin Configuration: Available in a 20-pin DIP package, facilitating easy integration into various designs.
These features make the SN74LS240N suitable for applications in data routing, bus systems, and other digital logic circuits.

Package

The SN74LS240N is an integrated circuit (IC) package type commonly found in a dual in-line package (DIP) format. It typically features 20 pins and is designed for through-hole mounting.

Pinout

The SN74LS240N is a hex buffer/driver with three-state outputs, featuring a total of 20 pins. It includes six independent non-inverting buffer/driver circuits, each capable of driving loads. The pin configuration is as follows:
1. Inputs (A1-A6): Pins 1, 2, 3, 4, 10, 11 for data inputs.
2. Outputs (Y1-Y6): Pins 5, 6, 7, 8, 12, 13 for corresponding outputs.
3. Enable Inputs (G1, G2): Pins 9 and 15 used to enable or disable the outputs.
4. Vcc: Pin 20 is the power supply pin (typically +5V).
5. Ground (GND): Pin 10 is the ground connection.
The device operates with TTL logic levels and offers high speed, low power consumption, and can drive multiple loads due to its three-state output configuration, making it suitable for various digital circuit applications.

Manufacturer

The SN74LS240N is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments designs and produces a wide range of semiconductor products, including integrated circuits, embedded processors, and analog devices. Established in 1930, TI is known for its innovations in the electronics industry and has a significant presence in various sectors, including consumer electronics, automotive, industrial, and communications. The SN74LS240N itself is a quad line driver designed to interface with TTL (Transistor-Transistor Logic) circuits, offering buffering and signal amplification capabilities. Texas Instruments is recognized for its commitment to research and development, continuously evolving its product offerings to meet the demands of modern technology.

Application

The SN74LS240N is a quad buffer/driver with three-state outputs, commonly used in digital circuits. Its application areas include data line buffering, interfacing between different logic families, generating drive signals for LED displays, and providing signal isolation. It's also utilized in memory address decoding, bus driving, and signal amplification in various electronic systems, including computers, communication devices, and industrial control systems.

Equivalent

The SN74LS240N is an octal buffer/driver with three-state outputs. Equivalent products include the 74HC240, 74HCT240, and 74LS244. These devices also offer octal buffering with similar functionality, though they may differ in voltage levels and power characteristics. Always check specific datasheets for compatibility.

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DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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