SN74LVC4245ADBRE4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Voltage Translator
• Characteristics: Bi-directional, 8-bit, non-inverting, voltage-level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2V to VCC
• Low-Level Output Voltage: 0V to 0.8V
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8

Detailed Pin Configuration

The SN74LVC4245ADBRE4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Bi-directional voltage-level translation between two voltage domains
• Non-inverting translation, preserving the logic state of the input signals
• Wide supply voltage range allows compatibility with various systems
• High-speed operation, suitable for applications up to 100MHz
• Output enable pins provide control over the direction of data flow

Advantages and Disadvantages

Advantages: - Enables seamless communication between circuits operating at different voltage levels - Non-inverting translation ensures accurate signal transmission - Wide supply voltage range enhances versatility - High-speed operation supports fast data transfer - Output enable pins offer flexibility in controlling data flow

Disadvantages: - Limited to 8-bit translation, may not be suitable for larger data buses - Requires careful consideration of power supply requirements

Working Principles

The SN74LVC4245ADBRE4 is designed to translate digital signals between two voltage domains. It utilizes a combination of MOSFETs and level-shifting circuitry to achieve bi-directional, non-inverting voltage-level translation. The device operates by monitoring the input voltage levels and adjusting the output voltage levels accordingly, ensuring compatibility between different voltage domains.

Detailed Application Field Plans

The SN74LVC4245ADBRE4 finds application in various electronic systems where voltage-level translation is required. Some specific application fields include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication interfaces between devices operating at different voltage levels
3. Level shifting in mixed-voltage systems
4. Signal translation in battery-powered devices with varying voltage levels
5. Interface conversion in automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC4245APW: Same functionality, different package (TSSOP-24)
2. SN74LVC4245ANSR: Same functionality, smaller package (SOIC-20)
3. SN74LVC4245ADGVR: Same functionality, smaller package (TVSOP-20)

These alternative models provide similar voltage-level translation capabilities but may differ in package type, pin configuration, or size.

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