SN74LVC240APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate Buffer/Driver
• Characteristics: Low Voltage, CMOS Technology
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Buffer/Driver for digital signals
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Logic Family: LVC (Low-Voltage CMOS)
• Number of Inputs: 8
• Number of Outputs: 8
• Propagation Delay: 4.3 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC240APWR has a total of 20 pins arranged as follows:

+----+--+----+ A1 -|1 +--+ 20 |- VCC A2 -|2 19 |- B1 A3 -|3 18 |- B2 A4 -|4 17 |- B3 A5 -|5 SN74LVC240APWR 16 |- B4 A6 -|6 15 |- B5 A7 -|7 14 |- B6 A8 -|8 13 |- B7 GND -|9 12 |- B8 OE -|10 11 |- DIR +------------+

Functional Features

• The SN74LVC240APWR is an octal buffer/driver designed for 2.7V to 3.6V VCC operation.
• It features 3-state outputs that can drive up to 15 pF capacitive loads.
• The device has a high output drive capability, making it suitable for driving heavily loaded bus lines.
• It provides non-inverting buffers with 3-state outputs, allowing multiple devices to be connected to a common bus.

Advantages and Disadvantages

Advantages

• Low voltage operation allows for compatibility with modern low-power systems.
• High output drive capability enables driving of heavily loaded bus lines.
• 3-state outputs provide flexibility in connecting multiple devices to a common bus.

Disadvantages

• Limited supply voltage range (1.65V to 3.6V) may restrict its use in certain applications.
• Propagation delay of 4.3 ns may not be suitable for high-speed applications.

Working Principles

The SN74LVC240APWR operates on the principles of CMOS technology. It uses a combination of NMOS and PMOS transistors to achieve low power consumption and high noise immunity. The inputs are buffered to minimize the loading and distortion of the preceding signal source. The outputs are capable of driving both standard and low-power TTL loads.

Detailed Application Field Plans

The SN74LVC240APWR is commonly used in various digital systems where buffering and driving of signals is required. Some typical application fields include:

1. Microcontrollers and microprocessors
2. Memory interfaces
3. Data communication systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

• SN74LVC244APWR: Octal buffer/driver with 3-state outputs, same package and characteristics as SN74LVC240APWR.
• SN74LVC245APWR: Octal bus transceiver with 3-state outputs, similar package and characteristics as SN74LVC240APWR.
• SN74LVC541APWR: Octal buffer/driver with 3-state outputs, similar package and characteristics as SN74LVC240APWR.

These alternative models provide similar functionality and can be used as substitutes for the SN74LVC240APWR in various applications.

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