CD74HC244M96E4

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Shifter
• Characteristics: High-Speed, CMOS Technology
• Package: SOIC-20
• Essence: Buffer/Line Driver
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 80 MHz
• Number of Channels: 8
• Input Type: TTL/CMOS Compatible
• Output Type: 3-State Non-Inverting

Detailed Pin Configuration

The CD74HC244M96E4 has a total of 20 pins. The pin configuration is as follows:

1. GND (Ground)
2. A1 (Input 1)
3. B1 (Output 1)
4. A2 (Input 2)
5. B2 (Output 2)
6. A3 (Input 3)
7. B3 (Output 3)
8. A4 (Input 4)
9. B4 (Output 4)
10. A5 (Input 5)
11. B5 (Output 5)
12. A6 (Input 6)
13. B6 (Output 6)
14. A7 (Input 7)
15. B7 (Output 7)
16. A8 (Input 8)
17. B8 (Output 8)
18. OE (Output Enable)
19. VCC (Supply Voltage)
20. GND (Ground)

Functional Features

• Provides non-inverting buffer functionality for logic level shifting.
• Supports bidirectional data flow.
• Allows multiple devices to communicate with different voltage levels.
• Offers 3-state outputs for bus-oriented applications.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - CMOS technology provides low power consumption. - Wide supply voltage range enables compatibility with various systems. - 3-state outputs allow for easy bus sharing.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications. - Requires careful consideration of input and output voltage levels to prevent damage.

Working Principles

The CD74HC244M96E4 is a logic level shifter that utilizes CMOS technology. It operates by receiving input signals from the A1-A8 pins and providing corresponding non-inverted output signals on the B1-B8 pins. The device can handle bidirectional data flow, allowing for communication between devices operating at different voltage levels. The OE pin controls the output enable function, enabling or disabling the outputs as needed.

Detailed Application Field Plans

The CD74HC244M96E4 is commonly used in various applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Level shifting in communication protocols: It ensures compatibility between devices using different logic voltage standards, such as TTL and CMOS.
3. Bus-oriented systems: It enables multiple devices to share a common bus while maintaining signal integrity.

Detailed and Complete Alternative Models

1. SN74HCT244N: Similar functionality with a different package (DIP-20).
2. MC74HC244AN: Comparable features in a different package (PDIP-20).
3. 74HCT244PW: Equivalent performance in a smaller package (TSSOP-20).

These alternative models offer similar logic level shifting capabilities and can be considered as substitutes for the CD74HC244M96E4 based on specific application requirements.

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