Nexperia USA Inc.
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
74HC40105DB,118
Se detaljer DataSheets

74HC40105DB,118

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic Level Shifter
  • Characteristics: High-speed, CMOS technology, 4-bit bidirectional level shifter
  • Package: SSOP-16
  • Essence: The 74HC40105DB,118 is a versatile level shifter designed to convert logic signals between different voltage levels.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2 V to 6 V
  • Input Voltage Range: GND to VCC
  • Output Voltage Range: GND to VCC
  • Maximum Operating Frequency: 40 MHz
  • Propagation Delay: 10 ns (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HC40105DB,118 has a total of 16 pins arranged as follows:

___________ OE |1 16| VCC I/O0 |2 15| I/O3 I/O1 |3 14| I/O2 GND |4 13| A0 GND |5 12| A1 GND |6 11| A2 GND |7 10| A3 GND |8 9| GND -----------

Functional Features

  • Bidirectional Level Shifting: The IC can shift logic signals bidirectionally between two voltage domains.
  • Wide Voltage Range: It supports voltage level shifting between 2V and 6V, making it compatible with various digital systems.
  • High-Speed Operation: With a maximum operating frequency of 40 MHz, it enables fast signal transmission.
  • CMOS Technology: The IC is built using CMOS technology, providing low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - Versatile level shifter suitable for various applications. - Wide voltage range compatibility. - High-speed operation allows for efficient signal transmission. - Low power consumption due to CMOS technology.

Disadvantages: - Limited to 4-bit level shifting, may not be suitable for larger data buses. - Requires careful consideration of voltage levels and signal integrity in mixed-voltage systems.

Working Principles

The 74HC40105DB,118 utilizes a combination of MOSFETs and control logic to shift logic signals between different voltage domains. It operates by detecting the input logic level and translating it to the corresponding output level based on the supply voltage. The bidirectional capability allows for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74HC40105DB,118 finds applications in various fields where logic level shifting is required. Some potential application areas include: 1. Mixed-Voltage Systems: It can be used to interface between microcontrollers operating at different voltage levels. 2. Communication Interfaces: It enables level translation between different communication protocols, such as UART, SPI, or I2C. 3. Sensor Networks: The IC can be utilized to connect sensors with different voltage requirements to a central processing unit.

Detailed and Complete Alternative Models

  1. SN74LVC1T45: A single-bit level shifter with similar characteristics and package options.
  2. TXB0104: A 4-bit bidirectional voltage-level translator with automatic direction sensing.
  3. PCA9306: A dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the 74HC40105DB,118 depending on specific requirements.

Word count: 425 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 74HC40105DB,118 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of 74HC40105DB,118 in technical solutions:

  1. Q: What is the function of the 74HC40105DB,118? A: The 74HC40105DB,118 is a hex non-inverting level shifter IC used for voltage translation between different logic levels.

  2. Q: What is the operating voltage range of the 74HC40105DB,118? A: The 74HC40105DB,118 operates within a voltage range of 2V to 6V.

  3. Q: How many channels does the 74HC40105DB,118 have? A: The 74HC40105DB,118 has six independent channels for level shifting.

  4. Q: What is the maximum data rate supported by the 74HC40105DB,118? A: The 74HC40105DB,118 can support data rates up to 50 MHz.

  5. Q: Can the 74HC40105DB,118 be used for bidirectional level shifting? A: No, the 74HC40105DB,118 is a unidirectional level shifter and cannot be used for bidirectional applications.

  6. Q: What is the typical propagation delay of the 74HC40105DB,118? A: The typical propagation delay of the 74HC40105DB,118 is around 8 ns.

  7. Q: Is the 74HC40105DB,118 compatible with both CMOS and TTL logic levels? A: Yes, the 74HC40105DB,118 is compatible with both CMOS and TTL logic levels.

  8. Q: Can the 74HC40105DB,118 be cascaded to achieve higher voltage translation levels? A: Yes, multiple 74HC40105DB,118 ICs can be cascaded to achieve higher voltage translation levels.

  9. Q: Does the 74HC40105DB,118 require external pull-up or pull-down resistors? A: No, the 74HC40105DB,118 has internal pull-up and pull-down resistors for each channel.

  10. Q: What is the package type of the 74HC40105DB,118? A: The 74HC40105DB,118 is available in a standard SOIC-16 package.

Please note that these answers are based on general knowledge and may vary depending on specific datasheet specifications and application requirements.