PI74FCT3244QEX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting, 8-bit tri-state buffer
• Package: 20-pin QSOP (Quarter Small Outline Package)
• Essence: The PI74FCT3244QEX is a high-performance buffer designed to provide signal amplification and isolation in digital systems.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 4.5V to 5.5V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 3.5ns (typical)
• Output Drive: ±24mA

Detailed Pin Configuration

The PI74FCT3244QEX has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. Y1 (Output) 1
4. GND (Ground)
5. Y2 (Output) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Power Supply)
9. B1 (Input) 1
10. Y3 (Output) 3
11. A3 (Input) 3
12. B2 (Input) 2
13. Y4 (Output) 4
14. OE (Output Enable) 3
15. A4 (Input) 4
16. GND (Ground)
17. Y5 (Output) 5
18. A5 (Input) 5
19. OE (Output Enable) 4
20. VCC (Power Supply)

Functional Features

• Non-inverting buffer with tri-state outputs
• High-speed operation suitable for high-frequency applications
• Low power consumption for energy-efficient designs
• Provides signal amplification and isolation
• Allows multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient data transfer - Tri-state outputs allow for bus sharing and system flexibility - Low power consumption reduces energy costs - Compact QSOP package saves board space

Disadvantages: - Limited number of output pins (5 in this case) - Requires careful consideration of input/output voltage levels

Working Principles

The PI74FCT3244QEX operates by receiving digital signals at its input pins (A1-A5, B1-B2) and amplifying them to the corresponding output pins (Y1-Y5). The non-inverting nature of the buffer ensures that the output signal matches the input signal polarity. The tri-state outputs allow the device to be effectively disconnected from the bus when not in use, preventing signal interference.

Detailed Application Field Plans

The PI74FCT3244QEX is commonly used in various digital systems where signal buffering and isolation are required. Some specific application fields include:

1. Microprocessor-based systems
2. Data communication networks
3. Industrial automation equipment
4. Automotive electronics
5. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74FCT3244Q: Similar specifications and functionality, available in SOIC package.
2. MC74FCT3244: Equivalent buffer with tri-state outputs, available in DIP package.
3. CD74FCT3244: Comparable performance and pin configuration, available in TSSOP package.

These alternative models offer similar features and can be used as replacements for the PI74FCT3244QEX in various applications.

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