SN74BCT2827CNSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, non-inverting, bidirectional voltage-level translator
• Package: 20-pin plastic small-outline package (SOIC)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage: 2.3V to 5.5V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Propagation Delay: 4.8ns (typical)
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3pF (typical)
• Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The SN74BCT2827CNSR has a total of 20 pins, numbered as follows:

1. OE1 (Output Enable Input 1)
2. A1 (Data Input/Output 1)
3. B1 (Data Input/Output 2)
4. GND (Ground)
5. B2 (Data Input/Output 3)
6. A2 (Data Input/Output 4)
7. OE2 (Output Enable Input 2)
8. VCC (Supply Voltage)
9. Y1 (Translated Data Output 1)
10. Y2 (Translated Data Output 2)
11. Y3 (Translated Data Output 3)
12. Y4 (Translated Data Output 4)
13. GND (Ground)
14. Y5 (Translated Data Output 5)
15. Y6 (Translated Data Output 6)
16. Y7 (Translated Data Output 7)
17. Y8 (Translated Data Output 8)
18. VCC (Supply Voltage)
19. A3 (Data Input/Output 5)
20. B3 (Data Input/Output 6)

Functional Features

• Bidirectional voltage-level translation between two logic levels
• Non-inverting translation with high-speed operation
• Supports translation between different voltage domains, such as 3.3V and 5V
• Enables interfacing between devices operating at different logic levels

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Non-inverting translation preserves signal integrity
• Wide supply voltage range enables compatibility with various systems
• Bidirectional functionality simplifies interface design

Disadvantages

• Limited number of translation channels (up to 8)
• May require additional components for level shifting in complex systems

Working Principles

The SN74BCT2827CNSR utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage-level translation. It employs a voltage divider network to shift the input logic levels to the desired output levels. The non-inverting nature of the translator ensures that the output signal matches the input signal polarity.

Detailed Application Field Plans

The SN74BCT2827CNSR is commonly used in applications where logic signals need to be translated between different voltage domains. Some typical application fields include:

1. Microcontroller interfacing with peripheral devices operating at different logic levels.
2. Communication interfaces between systems using different voltage standards, such as UART, SPI, or I2C.
3. Level shifting in mixed-voltage systems, where multiple voltage domains coexist.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45: Single-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality to the SN74BCT2827CNSR and can be considered as alternatives based on specific application requirements.

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