SN74AVC1T45DCKRG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Voltage Translator
• Characteristics: Single-bit, Dual Supply, Bidirectional
• Package: SC-70 (6-Pin)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.3V to VCCA + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Voltage: VCCB - 0.3V to VCCB
• Low-Level Output Voltage: 0V to 0.4V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AVC1T45DCKRG4 has a total of six pins:

1. VCCA: Positive supply voltage for A-side logic level translation.
2. GND: Ground reference for the IC.
3. A1: Input/output pin for signal translation.
4. OE: Output enable pin to control the direction of data flow.
5. B1: Input/output pin for signal translation.
6. VCCB: Positive supply voltage for B-side logic level translation.

Functional Features

• Bidirectional voltage translation between two different voltage domains.
• Supports level shifting between 1.65V and 3.6V.
• Provides automatic direction control based on the OE pin.
• Low power consumption and high-speed operation.
• Compatible with various logic families such as CMOS, TTL, and LVCMOS.

Advantages and Disadvantages

Advantages: - Compact and space-saving package. - Wide supply voltage range allows compatibility with different systems. - Bidirectional functionality simplifies circuit design. - Low power consumption enhances energy efficiency.

Disadvantages: - Limited data rate compared to some other level shifters. - Not suitable for applications requiring high-speed data transmission.

Working Principles

The SN74AVC1T45DCKRG4 utilizes a combination of MOSFETs and control logic to achieve bidirectional voltage translation. The direction of data flow is controlled by the OE pin. When OE is low, the IC operates in the normal mode, allowing data to pass from A1 to B1 or vice versa. When OE is high, the IC enters the high-impedance state, isolating the input and output pins.

Detailed Application Field Plans

The SN74AVC1T45DCKRG4 is commonly used in various applications where voltage translation between different logic levels is required. Some typical application fields include:

1. Portable Electronics: Enables communication between low-voltage microcontrollers and higher voltage peripherals.
2. Industrial Automation: Facilitates signal translation between different voltage domains in control systems.
3. Automotive Electronics: Allows interfacing between different voltage levels in automotive electronic modules.
4. IoT Devices: Supports voltage translation in sensor networks and communication interfaces.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit bidirectional voltage-level translator with similar characteristics and package.
2. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver and level shifter.

These alternative models offer similar functionality and can be considered as substitutes for the SN74AVC1T45DCKRG4 in specific applications.

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