SN74AVCH4T245RSVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Voltage Translator
• Characteristics: Bi-directional, 4-bit, 3.3V to 5V translation, high-speed operation
• Package: Small Outline Very Thin Quad Flat No-Lead (DSBGA)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V (VCCA), 1.65V to 5.5V (VCCB)
• Input Voltage Range: 0V to VCCA (A Port), 0V to VCCB (B Port)
• Output Voltage Range: 0V to VCCA (A Port), 0V to VCCB (B Port)
• Maximum Data Rate: 400 Mbps
• Number of Channels: 4
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AVCH4T245RSVR has a total of 16 pins, which are assigned as follows:

• Pin 1: OE (Output Enable)
• Pin 2: A1 (Channel A Data Input/Output)
• Pin 3: A2 (Channel A Data Input/Output)
• Pin 4: GND (Ground)
• Pin 5: A3 (Channel A Data Input/Output)
• Pin 6: A4 (Channel A Data Input/Output)
• Pin 7: VCCA (Voltage Supply for Channel A)
• Pin 8: B1 (Channel B Data Input/Output)
• Pin 9: B2 (Channel B Data Input/Output)
• Pin 10: VCCB (Voltage Supply for Channel B)
• Pin 11: B3 (Channel B Data Input/Output)
• Pin 12: B4 (Channel B Data Input/Output)
• Pin 13: GND (Ground)
• Pin 14: DIR (Direction Control)
• Pin 15: GND (Ground)
• Pin 16: VCC (Positive Power Supply)

Functional Features

• Bi-directional level shifting between two voltage domains
• Translation from 3.3V to 5V logic levels and vice versa
• High-speed operation with a maximum data rate of 400 Mbps
• Output enable control for disabling the outputs
• Direction control for selecting the data flow direction

Advantages and Disadvantages

Advantages: - Enables seamless communication between different voltage domains - Supports high-speed data transmission - Small package size allows for space-efficient designs - Low power consumption

Disadvantages: - Limited to 4-bit translation, may not be suitable for applications requiring larger data buses - Requires careful consideration of voltage compatibility to avoid damage to the IC

Working Principles

The SN74AVCH4T245RSVR is designed to translate logic levels between two voltage domains. It utilizes a combination of MOSFETs and control circuitry to achieve bidirectional level shifting. The OE pin controls the output enable function, allowing the user to disable the outputs when needed. The DIR pin determines the direction of data flow, enabling communication in both directions.

Detailed Application Field Plans

The SN74AVCH4T245RSVR can be used in various applications where level shifting and voltage translation are required. Some potential application fields include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Sensor Networks: Enabling connectivity between sensors operating at different logic levels.
3. Industrial Automation: Bridging the gap between different voltage domains in industrial control systems.
4. IoT Devices: Allowing seamless integration of IoT devices with varying logic levels.
5. Communication Systems: Supporting level translation in communication interfaces such as UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. TXB0104: 4-bit Bidirectional Voltage-Level Translator
2. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
3. SN74LVC4245A: Octal Bus Transceiver with Voltage-Level Shifting

These alternative models offer similar functionality and can be considered as alternatives to the SN74AVCH4T245RSVR based on specific application requirements.

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