SN74BCT245PWR

Overview

Category: Integrated Circuit (IC)

Use: Level Shifting and Bus Transceiver

Characteristics: - High-speed CMOS technology - 8-bit bidirectional voltage-level translator - Non-inverting outputs - 3-state outputs - Voltage range: 2 V to 5.5 V - Low power consumption - Wide operating temperature range: -40°C to 85°C

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74BCT245PWR is a versatile level shifting and bus transceiver IC that allows bidirectional voltage translation between different logic levels. It is commonly used in applications where interfacing between devices operating at different voltage levels is required.

Packaging/Quantity: The SN74BCT245PWR is available in a TSSOP package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Maximum Input Current: ±10 mA
• Maximum Output Current: ±15 mA
• Propagation Delay Time: 6 ns (typical)
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The SN74BCT245PWR has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. A2 (Data Input/Output) 2
5. B2 (Data Input/Output) 2
6. A3 (Data Input/Output) 3
7. B3 (Data Input/Output) 3
8. A4 (Data Input/Output) 4
9. B4 (Data Input/Output) 4
10. GND (Ground)
11. B5 (Data Input/Output) 5
12. A5 (Data Input/Output) 5
13. B6 (Data Input/Output) 6
14. A6 (Data Input/Output) 6
15. B7 (Data Input/Output) 7
16. A7 (Data Input/Output) 7
17. B8 (Data Input/Output) 8
18. A8 (Data Input/Output) 8
19. VCC (Supply Voltage)
20. OE (Output Enable) 2

Functional Features

• Bidirectional voltage-level translation between different logic levels
• Non-inverting outputs for direct signal propagation
• 3-state outputs for bus sharing and isolation
• High-speed operation suitable for time-critical applications
• Wide operating voltage range allows compatibility with various systems
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages: - Enables seamless interfacing between devices operating at different voltage levels - Non-inverting outputs preserve signal integrity - 3-state outputs facilitate bus sharing and isolation - High-speed operation ensures efficient data transfer - Wide operating voltage range provides flexibility in system design - Low power consumption contributes to energy efficiency

Disadvantages: - May require additional external components for specific applications - Limited number of bidirectional channels (8-bit)

Working Principles

The SN74BCT245PWR operates by utilizing a combination of CMOS technology and level shifting techniques. It translates signals between two different voltage domains, allowing seamless communication between devices operating at different logic levels. The non-inverting outputs ensure signal integrity, while the 3-state outputs enable bus sharing and isolation. The IC's high-speed operation and wide operating voltage range make it suitable for a variety of applications.

Detailed Application Field Plans

The SN74BCT245PWR finds applications in various fields, including:

1. Microcontroller interfacing
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics
6. Robotics
7. IoT (Internet of Things) devices
8. Sensor networks
9. Medical equipment
10. Power management systems

Detailed and Complete Alternative Models

1. SN74LVC245APW - 8-bit Bus Transceiver with 3-state Outputs
2. SN74HCT245N - Octal Bus Transceiver with 3-state Outputs
3. SN74LVCH245APW - 8-bit Bus Transceiver with 3-state Outputs
4. SN74ACT245DW - Octal Bus Transceiver with 3-state Outputs
5. SN74AHC245PW - Octal Bus Transceiver with 3-state Outputs

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