SN74HCT245NSRG4

Product Overview

Category

SN74HCT245NSRG4 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 bidirectional data transfer
• Non-inverting outputs
• Schmitt-trigger inputs
• Low power consumption
• Wide operating voltage range: 2V to 6V
• ESD protection exceeds JESD 22

Package

SN74HCT245NSRG4 is available in a surface mount package.

Essence

The essence of SN74HCT245NSRG4 lies in its ability to facilitate bidirectional data transfer between two buses.

Packaging/Quantity

SN74HCT245NSRG4 is typically packaged in reels and comes in quantities of 2500 units per reel.

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
• Input Capacitance: 3.5pF
• Output Capacitance: 6pF
• Propagation Delay Time: 12ns (max)
• Output Current: ±6mA

Detailed Pin Configuration

1. OE (Output Enable) - Active low output enable input
2. A1 - Data input/output for port A
3. B1 - Data input/output for port B
4. A2 - Data input/output for port A
5. B2 - Data input/output for port B
6. A3 - Data input/output for port A
7. B3 - Data input/output for port B
8. GND - Ground
9. B4 - Data input/output for port B
10. A4 - Data input/output for port A
11. B5 - Data input/output for port B
12. A5 - Data input/output for port A
13. B6 - Data input/output for port B
14. A6 - Data input/output for port A
15. B7 - Data input/output for port B
16. A7 - Data input/output for port A
17. VCC - Positive supply voltage
18. DIR (Direction Control) - Direction control input

Functional Features

• Bidirectional data transfer between two buses
• Non-inverting outputs
• Schmitt-trigger inputs for noise immunity
• High-speed operation
• Low power consumption
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

• High-speed CMOS technology enables fast data transfer
• Wide operating voltage range allows compatibility with various systems
• Schmitt-trigger inputs provide noise immunity
• Low power consumption helps in energy-efficient designs

Disadvantages

• Limited output current may restrict use in certain applications requiring higher current handling
• Surface mount package may require specialized equipment for soldering and rework

Working Principles

SN74HCT245NSRG4 operates as a bidirectional octal bus transceiver. It allows data to be transferred bidirectionally between two buses, A and B, by controlling the direction using the DIR pin. When DIR is high, data flows from A to B, and when DIR is low, data flows from B to A. The OE pin is used to enable or disable the outputs.

Detailed Application Field Plans

SN74HCT245NSRG4 finds application in various fields, including: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SN74HCT245NSRG4 are: 1. 74HC245 - Similar bidirectional octal bus transceiver with slightly different specifications. 2. CD74HCT245E - Octal bus transceiver with similar functionality but in a different package. 3. SN74LVC245A - Octal bus transceiver with lower voltage operation.

These alternative models can be considered based on specific requirements and compatibility with the system design.

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