74HC245PW,118

Product Overview

Category

The 74HC245PW,118 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a bidirectional octal bus transceiver.

Characteristics

• High-speed CMOS technology
• Wide operating voltage range: 2 V to 6 V
• Low power consumption
• Schmitt-trigger action on all inputs
• ESD protection: HBM JESD22-A114E exceeds 2000 V; MM JESD22-A115-A exceeds 200 V
• Multiple package options available

Package

The 74HC245PW,118 is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of the 74HC245PW,118 lies in its ability to provide bidirectional communication between two buses with different voltage levels.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay Time: 11 ns (typical)
• Output Current: ±6 mA

Detailed Pin Configuration

The 74HC245PW,118 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

The 74HC245PW,118 offers the following functional features:

• Bidirectional data transfer between two buses with different voltage levels
• Output enable control for disabling the outputs
• Direction control for selecting the direction of data flow

Advantages and Disadvantages

Advantages

• High-speed operation
• Wide operating voltage range
• Low power consumption
• Schmitt-trigger action on all inputs provides noise immunity
• ESD protection ensures robustness against electrostatic discharge

Disadvantages

• Limited output current capacity
• Requires careful consideration of voltage compatibility between buses

Working Principles

The 74HC245PW,118 operates by using a combination of transistors and logic gates to facilitate bidirectional data transfer. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the outputs.

Detailed Application Field Plans

The 74HC245PW,118 finds applications in various fields, including but not limited to:

1. Microcontroller interfacing
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC245PW,118 include:

1. SN74LVC245A
2. CD74HCT245E
3. MC74HC245AN
4. 74HCT245D

These alternative models can be considered based on specific requirements and availability.

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