M74HCT646RM13TR

Product Overview

• Category: Integrated Circuit
• Use: Data Bus Transceiver
• Characteristics: High-Speed, CMOS Technology
• Package: SOIC-20
• Essence: Bi-directional Voltage-Level Translator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 25 MHz
• Propagation Delay Time: 12 ns (max)
• Output Current: ±6 mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The M74HCT646RM13TR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) A
2. I/O A7
3. I/O A6
4. I/O A5
5. I/O A4
6. I/O A3
7. I/O A2
8. GND (Ground)
9. I/O A1
10. I/O A0
11. VCC (Supply Voltage)
12. DIR (Direction Control)
13. I/O B0
14. I/O B1
15. I/O B2
16. I/O B3
17. I/O B4
18. I/O B5
19. I/O B6
20. I/O B7

Functional Features

• Bi-directional voltage-level translation between two data buses
• Non-inverting outputs for both A and B buses
• Output enable control for tristate operation
• Direction control for selecting the direction of data flow
• High-speed operation suitable for data communication applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Bi-directional capability simplifies circuit design - CMOS technology provides low power consumption - Wide operating temperature range enables use in various environments

Disadvantages: - Limited to a maximum operating frequency of 25 MHz - Output current limited to ±6 mA

Working Principles

The M74HCT646RM13TR is designed to facilitate the bidirectional translation of voltage levels between two data buses. It utilizes CMOS technology, which ensures low power consumption while maintaining high-speed operation. The direction control pin (DIR) determines the flow of data, while the output enable pin (OE) allows for tristate operation when disabled. This integrated circuit is commonly used in applications where data communication between different voltage domains is required.

Detailed Application Field Plans

The M74HCT646RM13TR is widely used in various applications, including:

1. Microcontroller interfacing with external devices
2. Communication systems involving different voltage levels
3. Data acquisition systems
4. Industrial automation and control systems
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74HCT646N - DIP-20 package, similar specifications
2. CD74HCT646E - PDIP-20 package, similar specifications
3. MC74HCT646AN - DIP-20 package, similar specifications
4. 74HCT646D - SOIC-20 package, similar specifications

These alternative models offer similar functionality and can be considered as substitutes for the M74HCT646RM13TR depending on specific requirements and availability.

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