SN74LVTH2245NSRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: 20-pin small-outline integrated circuit (SOIC)
• Essence: Bi-directional voltage level translator and bus transceiver
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 8
• Input/Output Type: Tri-state
• Propagation Delay: 2.7 ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH2245NSRG4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Channel 1 Data I/O)
3. B1 (Channel 1 Data I/O)
4. GND (Ground)
5. B2 (Channel 2 Data I/O)
6. A2 (Channel 2 Data I/O)
7. VCC (Supply Voltage)
8. OE (Output Enable) 2
9. A3 (Channel 3 Data I/O)
10. B3 (Channel 3 Data I/O)
11. B4 (Channel 4 Data I/O)
12. A4 (Channel 4 Data I/O)
13. GND (Ground)
14. A5 (Channel 5 Data I/O)
15. B5 (Channel 5 Data I/O)
16. VCC (Supply Voltage)
17. B6 (Channel 6 Data I/O)
18. A6 (Channel 6 Data I/O)
19. OE (Output Enable) 3
20. A7 (Channel 7 Data I/O)

Functional Features

• Bi-directional voltage level translation between different logic levels.
• 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: - Supports bidirectional communication between different voltage domains. - Provides reliable and efficient data transmission. - Low-power consumption extends battery life in portable devices.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - Propagation delay may affect real-time applications with strict timing requirements.

Working Principles

The SN74LVTH2245NSRG4 is designed to translate signals between two voltage domains, such as 3.3V and 5V. It uses a combination of voltage level shifters and tri-state buffers to achieve bidirectional communication. The OE pins control the direction of data flow by enabling or disabling the output drivers. When the OE pin is high, the outputs are in a high-impedance state, allowing other devices to drive the bus. Conversely, when the OE pin is low, the outputs actively drive the bus with the translated voltage levels.

Detailed Application Field Plans

The SN74LVTH2245NSRG4 is commonly used in various applications, including:

1. Microcontroller interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Memory modules: It enables data transfer between memory chips with different voltage requirements.
3. Industrial automation: It allows for seamless integration of sensors and actuators operating at different logic levels.
4. Communication systems: It assists in level shifting between different communication protocols, such as UART, SPI, and I2C.
5. Automotive electronics: It helps in connecting various components with different voltage levels, ensuring compatibility and reliable data transfer.

Detailed and Complete Alternative Models

1. SN74LVC4245APWR
2. SN74AVC4T245RGYR
3. SN74HCT245NSR
4. SN74LVCH245ADBR
5. SN74CBTLV3257DGV

These alternative models offer similar functionality and can be used as replacements for the SN74LVTH2245NSRG4 in different applications.

Word count: 489 words