Encyclopedia Entry: 74ALVC164245DLRG4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, bidirectional level shifting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transferring digital signals between devices operating at different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 74ALVC164245DLRG4 is a logic level shifter integrated circuit designed for high-speed, bidirectional voltage level translation. It operates at low voltage levels, making it suitable for use in various electronic systems. The key specifications of this IC are as follows:

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (Vref): 0V to VCC
• Output Voltage Range (Vref): 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 16
• Logic Family: ALVC
• Logic Type: CMOS

Detailed Pin Configuration

The 74ALVC164245DLRG4 has a total of 48 pins, which are distributed across two sides of the IC package. The pin configuration is as follows:

Side A Side B ---------------- ---------------- | | | | | 1 2 3 | | 46 45 44 | | | | | | 4 5 6 | | 43 42 41 | | | | | | 7 8 9 | | 40 39 38 | | | | | | 10 11 12 | | 37 36 35 | | | | | | 13 14 15 | | 34 33 32 | | | | | | 16 17 18 | | 31 30 29 | | | | | | 19 20 21 | | 28 27 26 | | | | | | 22 23 24 | | 25 24 23 | | | | | ---------------- ----------------

Functional Features

The 74ALVC164245DLRG4 offers the following functional features:

1. Bidirectional Level Shifting: It allows for the bidirectional transfer of digital signals between devices operating at different voltage levels.
2. High-Speed Operation: The IC is designed to operate at high frequencies, making it suitable for applications requiring fast data transmission.
3. Low-Voltage Operation: With a supply voltage range of 1.2V to 3.6V, it can interface with low-voltage systems while minimizing power consumption.
4. ESD Protection: The IC incorporates Electrostatic Discharge (ESD) protection, ensuring robustness against transient voltage spikes.

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels. - High-speed operation facilitates efficient data transfer. - Low-voltage operation reduces power consumption. - ESD protection enhances reliability.

Disadvantages: - Limited to 16 channels, which may not be sufficient for complex systems requiring a higher number of channels. - Requires careful consideration of voltage compatibility to avoid signal degradation or damage.

Working Principles

The 74ALVC164245DLRG4 operates based on the principles of level shifting. It utilizes a combination of MOSFETs and control logic to translate digital signals between different voltage domains. The IC's bidirectional design allows for seamless communication between devices with varying voltage requirements. By applying appropriate control signals, the IC can shift the voltage levels of input signals to match the desired output voltage levels.

Detailed Application Field Plans

The 74ALVC164245DLRG4 finds applications in various electronic systems where voltage level translation is required. Some potential application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Memory Systems: It can facilitate data transfer between memory modules operating at different voltage domains, such as DDR3 and DDR4.
3. Communication Interfaces: The IC can be employed in communication interfaces, such as UART, SPI, or I2C, to enable compatibility between devices with different voltage requirements.

Detailed and Complete