SN74LVC861ADWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Low-Voltage CMOS, 10-Bit Bus Interface Flip-Flop with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is a versatile flip-flop with 3-state outputs, designed for low-voltage applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 80 MHz
• Propagation Delay Time: 2.8 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC861ADWRE4 has a total of 20 pins. The pin configuration is as follows:

1. CLK (Clock Input)
2. D0-D9 (Data Inputs)
3. OE (Output Enable)
4. Q0-Q9 (Flip-Flop Outputs)
5. GND (Ground)
6. VCC (Power Supply)

Functional Features

• 10-bit bus interface flip-flop with 3-state outputs
• Supports both parallel and serial data transfer modes
• Clock input for synchronous operation
• Output enable pin for controlling the output state
• Low-voltage operation suitable for battery-powered devices
• High-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages: - Versatile flip-flop with 3-state outputs - Low-voltage operation extends battery life - High-speed operation for efficient data transfer - Compact SOIC package for space-constrained applications

Disadvantages: - Limited operating temperature range (-40°C to +85°C) - Requires external clock signal for synchronous operation

Working Principles

The SN74LVC861ADWRE4 is a flip-flop IC that stores and transfers data. It operates based on the clock input provided. When the clock signal transitions from low to high, the data present at the inputs (D0-D9) is latched and stored in the flip-flop. The stored data can then be accessed at the outputs (Q0-Q9).

The output enable (OE) pin controls the state of the outputs. When OE is low, the outputs are enabled and reflect the stored data. When OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The SN74LVC861ADWRE4 is commonly used in various digital systems where data storage and transfer are required. Some application fields include:

1. Microcontrollers and Microprocessors: Used as a buffer or latch for data transfer between different components.
2. Communication Systems: Facilitates data transmission and reception in protocols such as UART, SPI, and I2C.
3. Memory Modules: Enables data storage and retrieval in RAM, ROM, and flash memory devices.
4. Industrial Automation: Utilized in control systems for storing and transferring sensor data and control signals.
5. Consumer Electronics: Integrated into devices like smartphones, tablets, and gaming consoles for data processing and storage.

Detailed and Complete Alternative Models

1. SN74LVC862ADWRE4: Similar to SN74LVC861ADWRE4 but with 12-bit bus interface.
2. SN74LVC863ADWRE4: Similar to SN74LVC861ADWRE4 but with 14-bit bus interface.
3. SN74LVC864ADWRE4: Similar to SN74LVC861ADWRE4 but with 16-bit bus interface.

These alternative models provide expanded data storage and transfer capabilities while maintaining similar characteristics and package options.

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