CD74AC623NSRG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Level Shifter
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide voltage range compatibility
  • Compact package size
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The CD74AC623NSRG4 is a digital logic level shifter IC that allows for bidirectional voltage level translation between different logic families.
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family Compatibility: CMOS, TTL, and LVTTL
• Number of Channels: 8
• Input/Output Voltage Levels:
  • High-Level Input Voltage (VIH): 2V to VCC
  • Low-Level Input Voltage (VIL): GND to 0.8V
  • High-Level Output Voltage (VOH): 2V to VCC
  • Low-Level Output Voltage (VOL): GND to 0.4V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74AC623NSRG4 has a total of 20 pins arranged as follows:

+---+--+---+ A1 |1 +--+ 20| VCC B1 |2 | OE# A2 |3 | B2 B2 |4 | A3 A3 |5 | B3 B3 |6 | A4 A4 |7 | B4 B4 |8 | A5 A5 |9 | B5 B5 |10 | A6 A6 |11 | B6 B6 |12 | A7 A7 |13 | B7 B7 |14 | A8 A8 |15 | B8 GND |16 | Q1 Q1 |17 | Q2 Q2 |18 | Q3 Q3 |19 | Q4 +----------+

Functional Features

• Bidirectional voltage level translation between different logic families.
• High-speed operation allows for efficient data transfer.
• Low power consumption makes it suitable for battery-powered devices.
• Wide voltage range compatibility enables interfacing between various voltage domains.
• Multiple channels (8) provide flexibility in connecting multiple signals.

Advantages and Disadvantages

Advantages

• Efficient and reliable voltage level shifting.
• Compact package size saves board space.
• Compatible with popular logic families.
• Suitable for a wide range of applications.

Disadvantages

• Limited number of channels (8).
• May require additional components for more complex level shifting scenarios.

Working Principles

The CD74AC623NSRG4 utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage level shifting. It employs a control signal (OE#) to enable or disable the level shifting functionality.

Detailed Application Field Plans

The CD74AC623NSRG4 can be used in various applications, including: - Interfacing between different logic families (e.g., CMOS and TTL). - Level shifting between microcontrollers and peripheral devices. - Communication interfaces (e.g., UART, SPI, I2C) where voltage compatibility is required.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74AC623NSRG4 are: - SN74LVC4245A: Octal Bus Transceiver with 3-State Outputs - MC74VHC245: Octal Bus Transceiver with 3-State Outputs - 74HCT245: Octal Bus Transceiver with 3-State Outputs

These alternative models can be considered based on specific requirements and availability.

Word count: 330 words