PI74ALVCH162244AE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, non-inverting buffer/line driver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Available in reels of 2500 pieces

Specifications

• Supply Voltage: 1.2V to 3.6V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Strength: ±24mA

Pin Configuration

The PI74ALVCH162244AE IC has a total of 48 pins arranged in a TSSOP package. The pin configuration is as follows:

┌───┬───┐ A1 -|1 └─ 48|- VCC B1 -|2 47|- OE# A2 -|3 46|- B2 B2 -|4 45|- A2 A3 -|5 44|- B3 B3 -|6 43|- A3 A4 -|7 42|- B4 B4 -|8 41|- A4 A5 -|9 40|- B5 B5 -|10 39|- A5 A6 -|11 38|- B6 B6 -|12 37|- A6 A7 -|13 36|- B7 B7 -|14 35|- A7 A8 -|15 34|- B8 B8 -|16 33|- A8 GND-|17 32|- B9 OE# -|18 31|- A9 Y1 -|19 30|- B10 Y2 -|20 29|- A10 Y3 -|21 28|- B11 Y4 -|22 27|- A11 Y5 -|23 26|- B12 Y6 -|24 25|- A12 └───────┘

Functional Features

• Non-inverting buffer/line driver
• Bidirectional voltage translation between two independent voltage domains
• Supports mixed-mode signal operation on all ports
• Provides output enable control for disabling the outputs
• High-speed operation with minimal propagation delay
• Low power consumption

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Supports bidirectional data flow - Wide operating voltage range allows compatibility with various systems - High-speed operation ensures efficient data transfer - Compact TSSOP package saves board space

Disadvantages: - Requires careful consideration of voltage level compatibility to avoid signal distortion or damage - Limited number of input/output channels (12 in total)

Working Principles

The PI74ALVCH162244AE is designed to perform logic level translation between two independent voltage domains. It acts as a non-inverting buffer/line driver, allowing bidirectional data flow between devices operating at different voltage levels.

The IC operates by receiving input signals from one voltage domain and translating them to the corresponding voltage levels of the other domain. It ensures compatibility between different logic families or systems with varying voltage requirements.

The output enable control (OE#) pin allows the user to disable the outputs, providing flexibility in controlling data flow. The IC operates at high speed with minimal propagation delay, ensuring efficient signal transmission.

Detailed Application Field Plans

The PI74ALVCH162244AE is widely used in various applications that require logic level translation between different voltage domains. Some common application fields include:

1. Microcontroller Interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Mixed Voltage Systems: Facilitates data transfer between systems with mixed voltage requirements, such as FPGA to ASIC interfaces.
3. Communication Interfaces: Provides voltage level translation for UART, SPI, I2C, and other communication protocols.
4. Memory Interfaces: Allows seamless connection between memory devices operating at different voltage levels.
5. Industrial Automation: Supports voltage translation in industrial automation systems, enabling interoperability between different components.

Detailed and Complete Alternative Models

• SN74LVC1T45: Single-bit