SN74AHC244MDWREP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics:
  • High-speed CMOS technology
  • 3-state outputs
  • Wide operating voltage range
  • Low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic buffer with 8 channels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (typical)
• Output Current: ±8 mA
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74AHC244MDWREP has a total of 20 pins, which are arranged as follows:

1. Pin 1: Output 1 (Y1)
2. Pin 2: Output 2 (Y2)
3. Pin 3: Output 3 (Y3)
4. Pin 4: Output 4 (Y4)
5. Pin 5: Output 5 (Y5)
6. Pin 6: Output 6 (Y6)
7. Pin 7: Output 7 (Y7)
8. Pin 8: Output 8 (Y8)
9. Pin 9: Ground (GND)
10. Pin 10: Input 1 (A1)
11. Pin 11: Input 2 (A2)
12. Pin 12: Input 3 (A3)
13. Pin 13: Input 4 (A4)
14. Pin 14: Input 5 (A5)
15. Pin 15: Input 6 (A6)
16. Pin 16: Input 7 (A7)
17. Pin 17: Input 8 (A8)
18. Pin 18: Enable (EN)
19. Pin 19: Ground (GND)
20. Pin 20: Supply Voltage (VCC)

Functional Features

• Provides buffering and line driving capabilities for digital signals
• Allows bidirectional communication between different voltage domains
• Enables multiple devices to share a common bus without interference
• Supports high-speed data transmission
• Offers 3-state outputs for flexible signal control

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Low power consumption - Compact SOIC package - 3-state outputs for signal control

Disadvantages: - Limited output current capacity - Not suitable for high-power applications

Working Principles

The SN74AHC244MDWREP is a logic buffer that amplifies and drives digital signals. It operates based on high-speed CMOS technology, which allows for fast switching times and low power consumption. The inputs (A1-A8) are connected to the signal source, while the outputs (Y1-Y8) drive the destination devices. The enable pin (EN) controls the output state, allowing the device to be enabled or disabled.

Detailed Application Field Plans

The SN74AHC244MDWREP is commonly used in various applications, including:

1. Microcontroller interfacing
2. Data communication systems
3. Memory address decoding
4. Bus drivers
5. Level shifting circuits
6. Signal buffering in digital systems

Detailed and Complete Alternative Models

1. SN74AHC244-Q1: Automotive-grade version with enhanced temperature range (-40°C to +125°C)
2. SN74AHC244RGYR: 20-pin VQFN (Very Thin Quad Flat No-Lead) package
3. SN74AHC244PW: 20-pin TSSOP (Thin Shrink Small Outline Package) package
4. SN74AHC244NSR: 20-pin SO (Small Outline) package with wider temperature range (-55°C to +125°C)

These alternative models offer similar functionality and can be used as substitutes for the SN74AHC244MDWREP in various applications.

In conclusion, the SN74AHC244MDWREP is a versatile logic buffer IC that provides high-speed signal amplification and driving capabilities. Its compact package, wide operating voltage range, and low power consumption make it suitable for a wide range of digital applications. However, its limited output current capacity restricts its use in high-power scenarios.