Encyclopedia Entry: 74ALVC2245MTC

Product Overview

Category

The 74ALVC2245MTC belongs to the category of integrated circuits (ICs) and specifically falls under the group of bus transceivers.

Use

This IC is commonly used for bidirectional voltage level translation between different logic levels in various digital systems.

Characteristics

• Bidirectional voltage level translation
• Wide operating voltage range
• High-speed operation
• Low power consumption
• ESD protection
• RoHS compliant

Package

The 74ALVC2245MTC is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to facilitate seamless communication between digital systems operating at different voltage levels.

Packaging/Quantity

The 74ALVC2245MTC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 8
• Logic Family: ALVC

Detailed Pin Configuration

The 74ALVC2245MTC has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• Bidirectional data transfer between different voltage domains
• Automatic direction control based on the DIR pin
• Output enable/disable functionality for individual channels
• High-speed operation for efficient data transmission
• ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems
• Low power consumption for energy-efficient applications
• ESD protection ensures reliability in harsh environments
• Bidirectional data transfer simplifies system design

Disadvantages

• Limited number of channels (8 in this case)
• Requires careful consideration of voltage levels to avoid signal degradation

Working Principles

The 74ALVC2245MTC operates by utilizing a combination of transistors and logic gates to facilitate bidirectional voltage level translation. The DIR pin controls the direction of data flow, while the OE pins enable or disable the output of individual channels. The IC's internal circuitry ensures proper voltage level shifting, allowing seamless communication between different logic levels.

Detailed Application Field Plans

The 74ALVC2245MTC finds application in various digital systems where voltage level translation is required. Some common application fields include:

1. Microcontroller interfacing
2. Memory modules
3. Communication systems
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

1. 74LVC245: Similar functionality with a different logic family (LVC)
2. SN74LVCH245A: Bidirectional bus transceiver with 3-state outputs
3. CD74HCT245: High-speed CMOS logic level shifter

These alternative models offer similar features and can be considered as substitutes for the 74ALVC2245MTC depending on specific requirements.

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