SN74LVC652APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation for various digital systems
• Packaging/Quantity: Tape and Reel, 2500 pieces 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: 100MHz
• Number of Channels: 8
• Input/Output Capacitance: 4pF
• Propagation Delay: 3.7ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC652APW has a total of 56 pins, which are divided into two sections:

Section A: Port A

• Pin 1: OE (Output Enable) for Port A
• Pins 2-9: Data I/O (D0-D7) for Port A
• Pins 10-17: Voltage Translation Control (DIR) for Port A
• Pins 18-25: Voltage Translation Control (OE) for Port A
• Pins 26-33: GND (Ground) for Port A

Section B: Port B

• Pin 34: OE (Output Enable) for Port B
• Pins 35-42: Data I/O (D0-D7) for Port B
• Pins 43-50: Voltage Translation Control (DIR) for Port B
• Pins 51-58: Voltage Translation Control (OE) for Port B
• Pins 59-66: GND (Ground) for Port B

Functional Features

• Bidirectional voltage translation between two different logic levels
• Automatic direction control based on the DIR input
• Output enable control for each port
• Supports mixed-mode signal operation on each port
• Low power consumption
• High-speed operation
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages

• Provides seamless integration between different logic level systems
• Allows interfacing between devices operating at different voltage levels
• Offers bidirectional communication capability
• Low power consumption enhances energy efficiency
• High-speed operation enables fast data transfer

Disadvantages

• Limited to voltage translation between two specific logic levels
• May require additional components for more complex voltage translation scenarios
• Not suitable for applications requiring high noise immunity

Working Principles

The SN74LVC652APW is designed to translate logic levels between two different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The DIR input controls the direction of data flow, while the OE inputs enable or disable the output buffers.

When the DIR input is set to a logic high level, data flows from Port A to Port B. Conversely, when the DIR input is set to a logic low level, data flows from Port B to Port A. The OE inputs can be used to enable or disable the output buffers independently for each port.

Detailed Application Field Plans

The SN74LVC652APW is commonly used in various digital systems that require voltage translation between different logic levels. Some typical application fields include:

1. Microcontroller interfacing with peripherals operating at different voltage levels
2. Communication interfaces between devices with different logic families
3. Level shifting in battery-powered portable devices
4. Signal conversion in mixed-voltage systems
5. Data transmission between different voltage domains in industrial automation

Detailed and Complete Alternative Models

1. SN74LVC652ADW: SOIC (Small Outline Integrated Circuit) package, 2500 pieces per reel
2. SN74LVC652APWR: TSSOP package, 3000 pieces per reel
3. SN74LVC652ARGYR: VQFN (Very Thin Quad Flat No-Lead) package, 2000 pieces per reel
4. SN74LVC652APWT: TSSOP package, 4000 pieces per reel
5. SN74LVC652APWTE4: TSSOP package, 1000 pieces per reel

These alternative models offer similar functionality and performance but differ in package type and quantity per reel.

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