SN74HCT245NG4

Product Overview

Category

SN74HCT245NG4 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional octal bus transceiver.

Characteristics

• High-speed CMOS technology
• 8-bit wide input/output port
• Non-inverting outputs
• 3-state outputs for bus-oriented applications
• Schmitt-trigger inputs for noise immunity
• Wide operating voltage range: 2V to 6V
• Low power consumption
• ESD protection on all inputs and outputs

Package

SN74HCT245NG4 is available in a standard 20-pin DIP (Dual In-line Package) format.

Essence

The essence of SN74HCT245NG4 lies in its ability to facilitate bidirectional data transfer between two buses with different voltage levels.

Packaging/Quantity

SN74HCT245NG4 is typically packaged in tubes or reels, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 25ns
• Maximum Quiescent Current: 4µA

Detailed Pin Configuration

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

Functional Features

• Bidirectional data transfer between two buses
• Non-inverting outputs for direct compatibility with other devices
• 3-state outputs allow multiple devices to share a common bus
• Schmitt-trigger inputs provide noise immunity and improved signal integrity

Advantages

• High-speed operation enables efficient data transfer
• Wide operating voltage range allows compatibility with various systems
• Low power consumption reduces energy requirements
• ESD protection ensures reliability in harsh environments

Disadvantages

• Limited number of input/output ports restricts the scale of applications
• Propagation delay may affect real-time data transmission in certain scenarios

Working Principles

SN74HCT245NG4 operates by controlling the direction of data flow between two buses using the DIR pin. When DIR is set to logic high, data is transferred from the A bus to the B bus. Conversely, when DIR is set to logic low, data flows from the B bus to the A bus.

Detailed Application Field Plans

SN74HCT245NG4 finds extensive use in various applications, including but not limited to: - Microcontroller interfacing - Data communication systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74HCT245NG4 are: - SN74HCT245D - MC74HCT245AN - CD74HCT245E - 74HCT245N

These models offer similar functionality and can be used interchangeably based on specific requirements.

In conclusion, SN74HCT245NG4 is a versatile bidirectional bus transceiver IC that enables efficient data transfer between different voltage level buses. Its high-speed operation, wide operating voltage range, and low power consumption make it suitable for various applications in the electronics industry.