SN74LVTH245ADBRG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter/Transceiver
• Characteristics: Low Voltage, High-Speed, 8-bit Bidirectional Transceiver
• Package: SSOP (Shrink Small Outline Package)
• Essence: Transfers data between two different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Voltage Levels: 1.65V to 3.6V
• Maximum Data Rate: 400 Mbps
• Number of Channels: 8
• Input/Output Type: Tri-State
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVTH245ADBRG4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bidirectional data transfer between two voltage domains
• Tri-State outputs for bus sharing
• High-speed operation with low power consumption
• Supports voltage level translation from 1.65V to 3.6V

Advantages and Disadvantages

Advantages: - Allows interfacing between systems operating at different voltage levels - Provides bidirectional communication capability - Low power consumption - High-speed data transfer

Disadvantages: - Limited to a maximum data rate of 400 Mbps - Requires careful consideration of voltage compatibility between input and output systems

Working Principles

The SN74LVTH245ADBRG4 is a bidirectional level shifter/transceiver that enables data transfer between two voltage domains. It operates by translating the logic voltage levels of the input signals to the corresponding levels of the output signals. The direction control pin (DIR) determines the direction of data flow, while the output enable pins (OE) allow tri-state outputs for bus sharing.

Detailed Application Field Plans

The SN74LVTH245ADBRG4 is commonly used in various applications where data transfer is required between systems operating at different voltage levels. Some of the typical application fields include:

1. Microcontroller interfacing with peripheral devices
2. Communication interfaces between different logic families
3. Level shifting in mixed-voltage systems
4. Data transmission in industrial automation
5. Interface conversion in automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar functionality with lower voltage range (1.65V to 3.6V)
2. SN74AVC4T245: 4-bit bidirectional level shifter with higher data rate (up to 500 Mbps)
3. SN74LVC8T245: 8-bit bidirectional level shifter with higher voltage range (1.2V to 3.6V)

These alternative models offer similar functionality to the SN74LVTH245ADBRG4 but may have different specifications and pin configurations.

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