SN74LVC827APWT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 10-bit buffer/driver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting and buffering capabilities
• 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 Inputs/Outputs: 10
• Output Drive Capability: ±24mA
• Propagation Delay: 2.7ns (typical)

Detailed Pin Configuration

The SN74LVC827APWT has a total of 20 pins, which are arranged as follows:

+---+--+---+ A1 -|1 +--+ 20|- VCC B1 -|2 |- A2 B2 -|3 |- A3 B3 -|4 |- A4 B4 -|5 |- A5 B5 -|6 |- A6 B6 -|7 |- A7 B7 -|8 |- A8 GND-|9 |- A9 OE -|10 |- A10 Y1 -|11 |- B1 Y2 -|12 |- B2 Y3 -|13 |- B3 Y4 -|14 |- B4 Y5 -|15 |- B5 Y6 -|16 |- B6 Y7 -|17 |- B7 Y8 -|18 |- GND Y9 -|19 |- OE +----------+

Functional Features

• Logic level shifting: Allows interfacing between devices operating at different voltage levels.
• Buffering: Provides signal amplification and isolation between input and output.
• 3-state outputs: Enables multiple devices to share a common bus without interference.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - Low power consumption - Small package size

Disadvantages: - Limited number of inputs/outputs - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC827APWT is designed to shift logic levels between two voltage domains. It accepts input signals from one domain and translates them to the corresponding voltage levels in the other domain. The device also provides buffering capabilities to ensure signal integrity and drive strength.

When the output enable (OE) pin is low, the device is enabled, and the input signals are translated and buffered to the outputs. When OE is high, the outputs are in a high-impedance state, allowing other devices to control the shared bus.

Detailed Application Field Plans

The SN74LVC827APWT can be used in various applications, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Level shifting in communication protocols: It facilitates voltage translation in serial communication interfaces like UART, SPI, and I2C.
3. Mixed-voltage system integration: It allows integration of components with different voltage requirements in a single system.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74LVC827APWT include:

1. SN74LVC4245APW: 8-bit dual-supply bus transceiver with configurable voltage translation.
2. SN74LVC1T45DBVR: Single-bit level shifter with automatic direction control.
3. SN74LVC125APW: Quad buffer/driver with 3-state outputs and voltage translation.

These alternative models can be considered based on specific application requirements and desired features.

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