SN74LVTH245ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low-Voltage, High-Speed, 8-Bit Bidirectional Transceiver
• Package: SSOP (Shrink Small Outline Package)
• Essence: Transfers data between two bidirectional bus systems operating at different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 200MHz
• Propagation Delay: 2.9ns (Max) at 3.3V
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVTH245ADBR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional data transfer between two bus systems with different voltage levels
• Automatic direction control based on the DIR input signal
• Output enable control to disable the outputs when not in use
• High-speed operation with low propagation delay
• Supports a wide range of supply voltages
• ESD protection for reliable operation

Advantages and Disadvantages

Advantages: - Enables communication between different voltage level systems - High-speed operation allows for efficient data transfer - Flexible control options with DIR and OE inputs - Reliable performance with ESD protection

Disadvantages: - Limited operating temperature range (-40°C to 85°C) - Requires careful consideration of voltage compatibility between bus systems

Working Principles

The SN74LVTH245ADBR is designed to facilitate bidirectional data transfer between two bus systems operating at different voltage levels. It utilizes automatic direction control based on the DIR input signal, allowing data to flow in the appropriate direction. The output enable (OE) control can be used to disable the outputs when not in use, reducing power consumption.

Detailed Application Field Plans

The SN74LVTH245ADBR is commonly used in various applications where level shifting and bus transceiver functionality are required. Some specific application fields include:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Enabling data exchange between different control systems in industrial automation setups.
3. Communication Systems: Integrating different communication protocols and voltage levels in networking equipment.
4. Automotive Electronics: Supporting data transfer between various electronic modules in automotive systems.

Detailed and Complete Alternative Models

1. SN74LVC245ADGVR
2. SN74LVCH245APWR
3. SN74AVC4T245PWR
4. SN74CBT3257DR
5. SN74AHC125DGVR

These alternative models offer similar functionality and characteristics to the SN74LVTH245ADBR, providing options for different design requirements.

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