Encyclopedia Entry: 74ALVC162244GX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: ALVC (Advanced Low-Voltage CMOS)
• Number of Channels: 16
• Input Voltage Levels: 1.2V to 3.6V
• Output Voltage Levels: 1.2V to 3.6V
• Propagation Delay: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVC162244GX IC has a total of 48 pins, which are divided into four groups of 12 pins each. The pin configuration is as follows:

Group A (Pins 1-12)

1. Channel 1 Input/Output (A1)
2. Channel 1 Output/Input (B1)
3. Channel 2 Input/Output (A2)
4. Channel 2 Output/Input (B2)
5. Channel 3 Input/Output (A3)
6. Channel 3 Output/Input (B3)
7. Channel 4 Input/Output (A4)
8. Channel 4 Output/Input (B4)
9. Channel 5 Input/Output (A5)
10. Channel 5 Output/Input (B5)
11. Channel 6 Input/Output (A6)
12. Channel 6 Output/Input (B6)

Group B (Pins 13-24)

1. Channel 7 Input/Output (A7)
2. Channel 7 Output/Input (B7)
3. Channel 8 Input/Output (A8)
4. Channel 8 Output/Input (B8)
5. Channel 9 Input/Output (A9)
6. Channel 9 Output/Input (B9)
7. Channel 10 Input/Output (A10)
8. Channel 10 Output/Input (B10)
9. Channel 11 Input/Output (A11)
10. Channel 11 Output/Input (B11)
11. Channel 12 Input/Output (A12)
12. Channel 12 Output/Input (B12)

Group C (Pins 25-36)

1. Channel 13 Input/Output (A13)
2. Channel 13 Output/Input (B13)
3. Channel 14 Input/Output (A14)
4. Channel 14 Output/Input (B14)
5. Channel 15 Input/Output (A15)
6. Channel 15 Output/Input (B15)
7. Channel 16 Input/Output (A16)
8. Channel 16 Output/Input (B16)
9. Ground (GND)
10. Ground (GND)
11. VCC (Power Supply)
12. VCC (Power Supply)

Group D (Pins 37-48)

1. Channel 16 Input/Output (A16)
2. Channel 16 Output/Input (B16)
3. Channel 15 Input/Output (A15)
4. Channel 15 Output/Input (B15)
5. Channel 14 Input/Output (A14)
6. Channel 14 Output/Input (B14)
7. Channel 13 Input/Output (A13)
8. Channel 13 Output/Input (B13)
9. Channel 12 Input/Output (A12)
10. Channel 12 Output/Input (B12)
11. Channel 11 Input/Output (A11)
12. Channel 11 Output/Input (B11)

Functional Features

• Bidirectional voltage translation between different logic levels
• Supports high-speed data transmission
• Low power consumption
• Schmitt-trigger inputs for noise immunity
• 3-state outputs for bus-oriented applications
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low power consumption helps in reducing overall system energy usage
• Bidirectional capability simplifies the design of systems with mixed voltage levels
• ESD protection ensures reliability in harsh environments
• Schmitt-trigger inputs provide noise immunity, enhancing signal integrity

Disadvantages

• Limited to a specific number of channels (16 in this case)
• Requires careful consideration of input and output voltage levels to avoid damage

Working Principles

The 74ALVC162244GX is a logic level translator IC that enables bidirectional voltage translation between different logic levels