74LVTH245WM

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter/Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Bi-directional voltage level translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Type: Tri-state
• Output Drive Capability: ±24mA
• Propagation Delay Time: 3.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVTH245WM has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input/Output) 1
3. I/O1 (Bi-directional) 1
4. GND (Ground)
5. I/O2 (Bi-directional) 2
6. A2 (Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. B1 (Input/Output) 1
10. I/O3 (Bi-directional) 3
11. B2 (Input/Output) 2
12. I/O4 (Bi-directional) 4
13. GND (Ground)
14. I/O5 (Bi-directional) 5
15. C1 (Input/Output) 1
16. OE (Output Enable) 3
17. I/O6 (Bi-directional) 6
18. C2 (Input/Output) 2
19. I/O7 (Bi-directional) 7
20. VCC (Supply Voltage)

Functional Features

• Bi-directional voltage level translation between two different voltage domains.
• Tri-state outputs allow multiple devices to share a common bus.
• High-speed operation enables efficient data transfer.
• Low-voltage operation reduces power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Tri-state outputs provide flexibility in bus sharing applications. - High-speed operation enhances overall system performance. - Low-power consumption contributes to energy efficiency.

Disadvantages: - Limited number of channels may restrict usage in complex systems. - Propagation delay time may affect real-time applications with strict timing requirements.

Working Principles

The 74LVTH245WM is designed as an 8-channel bi-directional level shifter/transceiver. It translates signals between two voltage domains, allowing communication between devices operating at different voltage levels. The tri-state outputs enable multiple devices to share a common bus, providing bidirectional data transfer. The IC operates at high speed while consuming low power, making it suitable for various applications.

Detailed Application Field Plans

The 74LVTH245WM finds applications in numerous fields, including but not limited to: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics 6. Telecommunications

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar functionality with a different package (TSSOP)
2. MC74VHC245: Higher voltage tolerance (up to 6V)
3. CD74HCT245: Compatible with higher voltage levels (up to 15V)
4. 74ACT245: Faster propagation delay time (around 2ns)

Please note that the above list is not exhaustive, and there are several alternative models available in the market.

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