SN74LVTH2245DBR

Product Overview

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

Specifications

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

Detailed Pin Configuration

The SN74LVTH2245DBR has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Channel 1 Control Input)
3. I/O1 (Channel 1 Bi-directional Data I/O)
4. GND (Ground)
5. I/O2 (Channel 2 Bi-directional Data I/O)
6. A2 (Channel 2 Control Input)
7. VCC (Supply Voltage)
8. B2 (Channel 2 Control Input)
9. I/O3 (Channel 3 Bi-directional Data I/O)
10. A3 (Channel 3 Control Input)
11. I/O4 (Channel 4 Bi-directional Data I/O)
12. B1 (Channel 1 Control Input)
13. I/O5 (Channel 5 Bi-directional Data I/O)
14. A4 (Channel 4 Control Input)
15. I/O6 (Channel 6 Bi-directional Data I/O)
16. GND (Ground)
17. I/O7 (Channel 7 Bi-directional Data I/O)
18. B4 (Channel 4 Control Input)
19. I/O8 (Channel 8 Bi-directional Data I/O)
20. OE (Output Enable) 2

Functional Features

• Bi-directional voltage level translation between two different voltage domains
• Allows bidirectional data transfer between devices operating at different voltage levels
• Supports voltage level shifting from 1.65V to 3.6V
• Tri-state outputs for bus sharing and isolation
• High-speed operation with a maximum data rate of 400Mbps
• Low-power consumption, suitable for battery-powered applications

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices with different voltage requirements
• Provides reliable and efficient level shifting for various applications
• High-speed operation allows for quick data transmission
• Low-power consumption helps in extending battery life

Disadvantages

• Limited to specific voltage ranges (2.7V to 3.6V)
• May require additional components for more complex voltage level translation scenarios

Working Principles

The SN74LVTH2245DBR is designed to facilitate the translation of digital signals between two voltage domains. It utilizes a combination of CMOS and TTL technologies to achieve bi-directional level shifting. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the control inputs. The tri-state outputs allow multiple devices to share a common bus while providing isolation when necessary.

Detailed Application Field Plans

The SN74LVTH2245DBR finds application in various fields where voltage level translation is required. Some of the potential application areas include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication systems involving devices with varying voltage requirements
3. Industrial automation and control systems
4. Battery-powered portable devices
5. Data acquisition and measurement systems

Detailed and Complete Alternative Models

1. SN74LVC4245APWR - 8-bit Bi-directional Voltage-Level Translator with 3-State Outputs
2. SN74AVC4T245PW - 4-bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
3. SN74LVC8T245PWR - 8-bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
4. SN74LVC1T45DBVR - Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs
5. SN74LVC2T45DCTRG4 - Dual-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the SN74LVTH2245DBR is a versatile level shifter and bus transceiver IC that enables seamless voltage level translation between different devices. With its high-speed operation, low-power consumption,