BUF08821BIPWPR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, voltage-level translation
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The BUF08821BIPWPR is a buffer/driver IC designed for voltage-level translation applications.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Input Voltage Range: GND to VCC
• Output Voltage Range: GND to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.3ns (typical)
• Output Current: ±24mA
• Input Capacitance: 4pF (typical)
• Output Capacitance: 6pF (typical)

Detailed Pin Configuration

The BUF08821BIPWPR has a total of 20 pins. The pin configuration is as follows:

1. EN (Enable)
2. A1 (Input A1)
3. A2 (Input A2)
4. A3 (Input A3)
5. A4 (Input A4)
6. A5 (Input A5)
7. A6 (Input A6)
8. A7 (Input A7)
9. A8 (Input A8)
10. GND (Ground)
11. B8 (Output B8)
12. B7 (Output B7)
13. B6 (Output B6)
14. B5 (Output B5)
15. B4 (Output B4)
16. B3 (Output B3)
17. B2 (Output B2)
18. B1 (Output B1)
19. VCC (Supply Voltage)
20. NC (No Connection)

Functional Features

• High-speed voltage-level translation
• Low-power consumption
• Wide supply voltage range
• Bidirectional level shifting capability
• Schmitt-trigger inputs for noise immunity
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Fast propagation delay allows for high-speed data transmission. - Wide supply voltage range enables compatibility with various systems. - Bidirectional level shifting capability simplifies interface design. - Schmitt-trigger inputs provide robustness against noise. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited output current may not be suitable for driving heavy loads. - Input and output capacitance can affect signal integrity in high-frequency applications.

Working Principles

The BUF08821BIPWPR operates as a buffer/driver, providing voltage-level translation between two different logic levels. It accepts input signals from one voltage domain and translates them to the corresponding voltage level in another domain. The device utilizes a combination of CMOS and TTL logic to achieve fast switching times and low power consumption.

Detailed Application Field Plans

The BUF08821BIPWPR is commonly used in various applications that require voltage-level translation, such as:

1. Communication interfaces (e.g., UART, SPI, I2C) between different voltage domains.
2. Microcontroller interfacing with peripheral devices operating at different logic levels.
3. Level shifting in mixed-signal circuits, where analog and digital components coexist.
4. Signal conditioning in industrial automation systems.
5. Interface conversion in automotive electronics.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR - Single-bit dual-supply bus transceiver
2. PCA9306DCUR - Dual bidirectional I2C-bus and SMBus voltage-level translator
3. TXB0108PWR - 8-bit bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar functionality to the BUF08821BIPWPR and can be considered as alternatives based on specific application requirements.

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