CY74FCT543ATSOCTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide voltage range compatibility
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting between two different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 3.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The CY74FCT543ATSOCTG4 IC has a total of 20 pins. The pin configuration is as follows:

┌───┬───┐ OE1 │1 ┆ 20│ VCC A1 │2 ┆ 19│ B1 A2 │3 ┆ 18│ B2 A3 │4 ┆ 17│ B3 A4 │5 ┆ 16│ B4 A5 │6 ┆ 15│ B5 GND │7 ┆ 14│ B6 OE2 │8 ┆ 13│ B7 Y1 │9 ┆ 12│ B8 Y2 │10 ┆ 11│ Y3 └───┴───┘

Functional Features

• Bidirectional level shifting between two voltage domains
• Non-inverting outputs
• Output enable control for each direction (OE1 and OE2)
• High-speed operation suitable for various digital applications
• Wide supply voltage range compatibility

Advantages

• Allows interfacing between devices operating at different voltage levels
• Provides reliable logic level translation with minimal delay
• Low power consumption enhances energy efficiency
• Compact SOIC package enables space-saving designs
• Wide temperature range support for versatile applications

Disadvantages

• Limited output drive capability may not be suitable for high-current applications
• Requires careful consideration of input/output voltage compatibility
• May introduce additional propagation delay in signal transmission

Working Principles

The CY74FCT543ATSOCTG4 is designed to shift logic levels between two voltage domains. It utilizes a bidirectional buffer circuitry that allows seamless translation of signals from one voltage level to another. The non-inverting outputs ensure that the logic state remains unchanged during the translation process. The output enable control pins (OE1 and OE2) provide flexibility in enabling or disabling the level shifting functionality.

Detailed Application Field Plans

The CY74FCT543ATSOCTG4 can be used in various applications where logic level translation is required. Some potential application fields include: - Interfacing between microcontrollers operating at different voltage levels - Communication interfaces between different digital systems - Voltage level conversion in mixed-signal circuits - Signal conditioning in data acquisition systems - Level shifting in battery-powered devices with varying voltage requirements

Detailed and Complete Alternative Models

• SN74LVC1T45: Single-bit dual-supply bus transceiver
• 74HC4050: Hex non-inverting level shifter
• CD40109B: Quad level shifter with 3-state outputs
• NC7SZ125: Single gate buffer with level shifting capabilities
• 74LVC8T245: Octal bus transceiver with configurable voltage translation

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