SN74AHCT245PWRG3

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter/Transceiver
• Characteristics: High-Speed, Non-Inverting, 8-Bit Bidirectional Transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic IC for voltage level translation and bidirectional data transfer between different logic families
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 74 MHz
• Number of Channels: 8
• Input/Output Type: Tri-State
• Propagation Delay Time: 9 ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT245PWRG3 has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bidirectional voltage level translation between different logic families
• Non-inverting operation preserves the logic state of the input signal
• Tri-State outputs allow multiple devices to share a common bus
• High-speed operation enables efficient data transfer
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - Supports bidirectional data transfer - Non-inverting operation maintains signal integrity - Tri-State outputs enable bus sharing - High-speed performance for efficient data transmission - Wide operating temperature range for various environments

Disadvantages: - Limited to specific voltage ranges (4.5V to 5.5V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74AHCT245PWRG3 is designed to facilitate bidirectional data transfer between different logic families. It operates by translating voltage levels from one logic standard to another, allowing seamless communication between devices with incompatible voltage requirements. The non-inverting nature of the transceiver ensures that the logic state of the input signal is preserved during translation. The tri-state outputs enable multiple devices to share a common bus, enhancing system flexibility.

Detailed Application Field Plans

The SN74AHCT245PWRG3 finds applications in various fields, including:

1. Microcontroller Interfacing: Facilitating communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Enabling data exchange between control systems using different logic standards.
3. Communication Systems: Supporting voltage level translation in networking equipment and communication protocols.
4. Automotive Electronics: Providing bidirectional data transfer between different components in automotive systems.
5. Consumer Electronics: Facilitating compatibility between devices with varying logic voltage requirements.

Detailed and Complete Alternative Models

1. SN74LVC245APWRG4
2. SN74LVCH245APWLE
3. SN74AHC245PWRG3
4. SN74HCT245PWLE
5. SN74LVCH245ADBR

These alternative models offer similar functionality and can be used as substitutes for the SN74AHCT245PWRG3 in various applications.

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