SN74LVC823APWT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-power, voltage-level shifting
• Package: TSSOP-20
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Propagation Delay: 2.3ns (typical)

Detailed Pin Configuration

The SN74LVC823APWT has a TSSOP-20 package with the following pin configuration:

1. A1 - Channel 1 Input
2. Y1 - Channel 1 Output
3. GND - Ground
4. A2 - Channel 2 Input
5. Y2 - Channel 2 Output
6. OE - Output Enable
7. VCC - Power Supply
8. B1 - Channel 3 Input
9. Y3 - Channel 3 Output
10. B2 - Channel 4 Input
11. Y4 - Channel 4 Output
12. NC - No Connection
13. C1 - Channel 5 Input
14. Y5 - Channel 5 Output
15. C2 - Channel 6 Input
16. Y6 - Channel 6 Output
17. GND - Ground
18. D1 - Channel 7 Input
19. Y7 - Channel 7 Output
20. D2 - Channel 8 Input

Functional Features

• Bidirectional voltage-level translation
• Supports multiple voltage domains
• 3-state outputs for easy interfacing
• Low power consumption
• High-speed operation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast propagation delay enables high-speed data transfer - Multiple channels provide flexibility in voltage translation applications

Disadvantages: - Limited to 8 channels, may not be suitable for larger-scale systems - TSSOP package may require careful handling during assembly

Working Principles

The SN74LVC823APWT is a logic level translator that facilitates communication between different voltage domains. It operates by receiving input signals from one voltage domain and translating them to the corresponding levels of another voltage domain. The bidirectional feature allows for seamless translation in both directions.

The device utilizes a combination of MOSFETs and control circuitry to achieve efficient voltage-level shifting. When the OE (Output Enable) pin is low, the outputs are enabled and follow the inputs. Conversely, when the OE pin is high, the outputs are disabled and enter a high-impedance state.

Detailed Application Field Plans

The SN74LVC823APWT finds applications in various fields where voltage-level translation is required. Some potential application areas include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors operating at different voltage domains.
3. Industrial automation: Enables integration of devices with varying voltage requirements in industrial control systems.
4. Communication systems: Supports voltage-level translation in serial communication interfaces such as UART, SPI, and I2C.
5. Battery-powered devices: Provides efficient voltage translation for portable electronics with limited power resources.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Control.
2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator.
3. SN74LVC4245APW: Octal Bus Transceiver and Voltage-Level Shifter.

These alternative models offer similar functionality to the SN74LVC823APWT and can be considered based on specific application requirements.

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