74AHC245PW-Q100J

Product Overview

Category

The 74AHC245PW-Q100J belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and signal buffering in various electronic applications.

Characteristics

• High-speed CMOS technology
• Wide voltage range: 2 V to 5.5 V
• 8-bit bidirectional voltage-level translator
• Non-inverting outputs
• Schmitt-trigger action on all inputs
• Low power consumption
• High noise immunity
• ESD protection: HBM JESD22-A114E (2000 V), MM JESD22-A115-A (200 V)

Package

The 74AHC245PW-Q100J is available in a TSSOP package.

Essence

This IC serves as a bidirectional voltage-level translator, allowing seamless communication between devices operating at different voltage levels.

Packaging/Quantity

The 74AHC245PW-Q100J is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply voltage range: 2 V to 5.5 V
• Input/output voltage range: GND to VCC
• Input/output capacitance: 4 pF
• Operating temperature range: -40°C to +125°C
• Output drive capability: ±24 mA

Detailed Pin Configuration

The 74AHC245PW-Q100J has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• Bidirectional voltage-level translation
• Non-inverting outputs ensure signal integrity
• Schmitt-trigger action on all inputs for noise immunity
• Direction control pin allows switching between input and output modes
• Output enable pin enables/disables the outputs

Advantages and Disadvantages

Advantages

• High-speed operation
• Wide voltage range compatibility
• Low power consumption
• ESD protection for enhanced reliability
• Compact TSSOP package for space-constrained applications

Disadvantages

• Limited number of bidirectional channels (8 in total)
• Not suitable for high-current applications

Working Principles

The 74AHC245PW-Q100J operates by receiving input signals from one voltage domain and translating them to another voltage domain, ensuring seamless communication between devices operating at different voltage levels. The direction control pin determines the direction of data flow, while the output enable pin enables or disables the outputs.

Detailed Application Field Plans

The 74AHC245PW-Q100J finds applications in various fields, including:

1. Industrial automation: Level shifting between different control systems.
2. Consumer electronics: Interface conversion between devices operating at different voltage levels.
3. Automotive electronics: Signal buffering and level shifting in automotive communication systems.
4. Telecommunications: Voltage-level translation in networking equipment.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar bidirectional voltage-level translator with 3-state outputs.
2. CD4050B: Hex non-inverting buffer with voltage-level translation capability.
3. TXS0108EPWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as substitutes for the 74AHC245PW-Q100J in different applications.

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