74LVC245APW,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level shifting and voltage translation
• Characteristics: High-speed CMOS technology, low power consumption, wide voltage range compatibility
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional octal bus transceiver with 3-state outputs
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 8
• Input/Output Type: Tri-State
• Logic Family: LVC (Low-Voltage CMOS)

Detailed Pin Configuration

The 74LVC245APW,112 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Output enable input
2. A1 - Data input/output channel 1
3. B1 - Data input/output channel 1
4. GND - Ground
5. B2 - Data input/output channel 2
6. A2 - Data input/output channel 2
7. B3 - Data input/output channel 3
8. A3 - Data input/output channel 3
9. VCC - Positive supply voltage
10. B4 - Data input/output channel 4
11. A4 - Data input/output channel 4
12. B5 - Data input/output channel 5
13. A5 - Data input/output channel 5
14. B6 - Data input/output channel 6
15. A6 - Data input/output channel 6
16. B7 - Data input/output channel 7
17. A7 - Data input/output channel 7
18. B8 - Data input/output channel 8
19. A8 - Data input/output channel 8
20. GND - Ground

Functional Features

• Bidirectional data transfer between different voltage levels
• 3-state outputs for bus sharing and multiplexing applications
• High-speed operation suitable for fast data transmission
• Low power consumption for energy-efficient designs
• Wide voltage range compatibility allows interfacing with various logic families

Advantages and Disadvantages

Advantages: - Enables level shifting and voltage translation in mixed-voltage systems - Supports bidirectional data transfer - Provides 3-state outputs for bus sharing - High-speed operation allows for fast data transmission - Low power consumption helps conserve energy

Disadvantages: - Limited to a maximum operating frequency of 400 MHz - Requires careful consideration of voltage compatibility to avoid damage

Working Principles

The 74LVC245APW,112 is designed to facilitate the bidirectional transfer of data between two buses with different voltage levels. It utilizes high-speed CMOS technology to achieve fast data transmission while consuming low power. The device features 3-state outputs, allowing multiple devices to share a common bus without interfering with each other's signals.

When the Output Enable (OE) pin is set to a logic high level, the device is enabled, and data can be transferred bidirectionally between the A and B channels. When OE is set to a logic low level, the outputs are disabled, entering a high-impedance state, which prevents any interference with the bus.

Detailed Application Field Plans

The 74LVC245APW,112 is commonly used in various applications that require level shifting and voltage translation. Some typical application fields include:

1. Microcontroller interfacing: The IC enables communication between microcontrollers operating at different voltage levels.
2. Mixed-voltage systems: It facilitates data transfer between subsystems with varying voltage requirements, such as in automotive electronics or industrial control systems.
3. Bus sharing and multiplexing: The 3-state outputs allow multiple devices to share a common bus without signal conflicts.
4. Logic level conversion: It converts logic signals from one voltage level to another, ensuring compatibility between different logic families.

Detailed and Complete Alternative Models

• SN74LVC245APW,112
• MC74LVC245APW,112
• CD74LVC245APW,112
• 74LVCH245APW,112
• 74AHC245APW,112

These alternative models offer similar functionality and characteristics to the 74LVC245APW,112 and can be used as replacements depending on specific design requirements.

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