Encyclopedia Entry: 74FCT162244ATPAG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Manufacturer: Fairchild Semiconductor
• Logic Family: FCT
• Number of Channels: 16
• Input Voltage Range: 2.0V to 5.5V
• Output Voltage Range: 2.0V to 5.5V
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74FCT162244ATPAG IC has a total of 48 pins, which are organized as follows:

• Pin 1-8: Channel A Inputs/Outputs
• Pin 9-16: Channel B Inputs/Outputs
• Pin 17-24: Channel C Inputs/Outputs
• Pin 25-32: Channel D Inputs/Outputs
• Pin 33-40: Channel E Inputs/Outputs
• Pin 41-48: Channel F Inputs/Outputs

Functional Features

• Bi-directional level translation between different voltage domains
• Non-inverting outputs for minimal signal distortion
• High-speed operation for time-critical applications
• Low power consumption for energy-efficient designs
• 3-state outputs for bus-oriented systems

Advantages and Disadvantages

Advantages: - Wide input/output voltage range allows compatibility with various logic families - High-speed operation enables efficient data transfer - Low power consumption reduces energy costs - 3-state outputs facilitate bus sharing in multi-master systems

Disadvantages: - Limited number of channels (16) may not be sufficient for complex applications requiring more inputs/outputs - Propagation delay of 3.5ns may introduce timing issues in highly time-sensitive circuits

Working Principles

The 74FCT162244ATPAG is a logic level translator IC that enables communication between different voltage domains. It utilizes a combination of input/output buffers and voltage level shifting circuitry to ensure proper signal translation. The non-inverting nature of the outputs minimizes signal distortion, while the high-speed operation allows for efficient data transfer. The 3-state outputs enable bus sharing in multi-master systems by allowing multiple devices to connect to the same bus without interference.

Detailed Application Field Plans

The 74FCT162244ATPAG IC finds applications in various fields, including: 1. Microcontroller interfacing with different voltage peripherals 2. Communication systems involving multiple voltage domains 3. Industrial automation and control systems 4. Data acquisition and processing systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with Voltage-Level Shifting
2. MC74VHC245: Octal Bus Transceiver with 3-State Outputs
3. CD4504B: Hex Voltage Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation
4. NC7SZ125: Single Bus Buffer Gate with 3-State Output

These alternative models offer similar functionality and can be considered as alternatives to the 74FCT162244ATPAG depending on specific requirements and design constraints.

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