MM74HCT245MTCX

Overview

• Category: Integrated Circuit
• Use: Signal Level Shifter
• Characteristics: High-Speed, CMOS Technology
• Package: TSSOP-20
• Essence: Bidirectional Transceiver
• Packaging/Quantity: Tape and Reel, 2500 pieces 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
• Number of Channels: 8
• Logic Family: HCT

Pin Configuration

The MM74HCT245MTCX has a total of 20 pins arranged as follows:

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

Functional Features

• Bidirectional data transfer between two different voltage levels
• High-speed operation suitable for various applications
• CMOS technology ensures low power consumption
• Non-inverting outputs for minimal signal distortion
• Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - Allows interfacing between systems with different voltage levels - Fast data transmission speeds up to 25 MHz - Low power consumption due to CMOS technology - Robust design with Schmitt-trigger inputs for noise immunity

Disadvantages: - Limited to a maximum supply voltage of 5.5V - Requires careful consideration of input/output voltage compatibility

Working Principles

The MM74HCT245MTCX is a bidirectional transceiver that facilitates the conversion of signals between two different voltage levels. It operates using CMOS technology, which ensures high-speed performance while consuming minimal power. The device features non-inverting outputs and Schmitt-trigger inputs, providing reliable and accurate signal transmission even in noisy environments.

Detailed Application Field Plans

The MM74HCT245MTCX finds applications in various fields where signal level shifting is required. Some potential application areas include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: It can be used in industrial control systems to interface between different logic families or voltage domains.
3. Communication Systems: The transceiver facilitates signal translation between different communication protocols or devices.
4. Automotive Electronics: It can be employed in automotive applications to connect components operating at different voltage levels.
5. Consumer Electronics: The IC can be utilized in devices such as smartphones, tablets, and gaming consoles to enable communication between different subsystems.

Detailed and Complete Alternative Models

1. SN74HCT245N: Similar bidirectional transceiver with DIP-20 package.
2. 74HC245: Non-inverting octal bus transceiver with a wider supply voltage range.
3. CD74HCT245E: Octal bus transceiver with similar characteristics and a larger temperature range.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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