SN74LVT245BPW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low Voltage, Bi-directional, 8-bit, Non-inverting
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator and Interface Device
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.2ns (Max)
• Output Current: ±12mA
• Number of Channels: 8

Detailed Pin Configuration

The SN74LVT245BPW has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bi-directional voltage level shifting between two different voltage domains.
• Non-inverting logic translation for bidirectional data transfer.
• Allows interfacing between devices operating at different voltage levels.
• Enables communication between systems with different voltage requirements.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Fast propagation delay time ensures efficient data transfer. - Bi-directional functionality simplifies circuit design. - Small package size saves board space.

Disadvantages: - Limited output current may restrict use in high-power applications. - Requires careful consideration of voltage compatibility to avoid damage to connected devices. - Not suitable for applications requiring level shifting beyond the specified voltage range.

Working Principles

The SN74LVT245BPW is a level shifter and bus transceiver IC that operates by translating logic-level signals between two voltage domains. It uses a combination of MOSFETs and CMOS technology to achieve bidirectional data transfer without inverting the logic levels. The OE pins control the direction of data flow, enabling or disabling the outputs as needed. The device operates within a specified supply voltage range and translates input signals from one voltage level to another, allowing seamless communication between systems with different voltage requirements.

Detailed Application Field Plans

The SN74LVT245BPW finds applications in various fields where voltage level translation and bidirectional data transfer are required. Some of the common application areas include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels, facilitating data exchange between different systems.

2. Sensor Networks: It can be used in sensor networks to interface sensors with different voltage requirements, allowing seamless integration and data transfer.

3. Industrial Automation: The IC is suitable for industrial automation systems where different devices and modules operate at varying voltage levels, ensuring compatibility and efficient data exchange.

4. Communication Systems: It can be utilized in communication systems to interface between different components, such as microcontrollers, transceivers, and displays, operating at different voltage levels.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing.
2. PCA9306DCTR: Dual Bi-directional I2C-Bus and SMBus Voltage-Level Translator.
3. SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs.
4. CD4504BPWR: Hex Non-Inverting Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVT245BPW based on specific application requirements.

In conclusion, the SN74LVT245BPW is a versatile level shifter