74LCX244MTC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, High-Speed CMOS Technology
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional Octal Bus Transceiver
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage Levels: VIL = 0.8V, VIH = 2.0V
• Output Voltage Levels: VOL = 0.05V, VOH = 2.4V
• Propagation Delay: 3.5ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCX244MTC has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional data flow between A and B ports
• 3-state outputs for bus-oriented applications
• Low power consumption
• High-speed operation
• Compatible with TTL levels
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide operating voltage range - Fast propagation delay - Low power consumption - ESD protection for enhanced reliability - Compact TSSOP package for space-saving designs

Disadvantages: - Limited number of input/output pins (8 in total) - Not suitable for high-voltage applications

Working Principles

The 74LCX244MTC is a bidirectional octal bus transceiver that allows for the translation of logic levels between two different voltage domains. It operates using low voltage, high-speed CMOS technology, making it suitable for various applications requiring level shifting.

The device features eight input/output pins (A1 to A8 and B1 to B8) that can be used to transmit data bidirectionally. The direction of data flow is controlled by the OE (Output Enable) pin. When OE is low, the outputs are enabled, allowing data to pass from the A port to the B port or vice versa. When OE is high, the outputs are disabled, effectively isolating the A and B ports.

The 74LCX244MTC also incorporates 3-state outputs, which enable multiple devices to share a common bus without interfering with each other. This feature is particularly useful in bus-oriented systems where multiple devices need to communicate with each other.

Detailed Application Field Plans

The 74LCX244MTC is commonly used in various digital systems and communication interfaces. Some specific application areas include:

1. Microcontroller-based systems
2. Data communication networks
3. Industrial automation
4. Automotive electronics
5. Consumer electronics
6. Medical devices

In microcontroller-based systems, the 74LCX244MTC can be used to interface between different voltage domains, allowing the microcontroller to communicate with peripheral devices operating at different logic levels.

In data communication networks, the device can be employed to facilitate level translation between different components, such as microcontrollers, sensors, and communication modules.

In industrial automation, the 74LCX244MTC can be utilized for signal conversion and level shifting in control systems, enabling seamless communication between various subsystems.

In automotive electronics, the device finds applications in ECU (Engine Control Unit), infotainment systems, and other electronic modules where different voltage levels need to be translated.

In consumer electronics, the 74LCX244MTC is commonly used in devices like smartphones, tablets, and gaming consoles to enable communication between different components operating at varying logic levels.

In medical devices, the device can be employed for level translation and signal conditioning in equipment such as patient monitoring systems, diagnostic instruments, and medical imaging devices.

Detailed and Complete Alternative Models

• SN74LVC244A: Octal Buffer/