NXP USA Inc.
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74LVCH322244AEC,51
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74LVCH322244AEC,51

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: High-speed, low-power, bidirectional voltage translation between different logic levels
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic level shifting functionality for interfacing devices operating at different voltage levels
  • Packaging/Quantity: Available in reels or tubes, quantity varies depending on supplier

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Logic Family: LVCH
  • Number of Channels: 16
  • Input/Output Type: CMOS
  • Output Drive Capability: ±24mA
  • Propagation Delay: 2.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVCH322244AEC,51 IC has a total of 48 pins, arranged as follows:

┌───┐ ┌───┐ A1 ─┤1 48├─ VCC B1 ─┤2 47├─ OE# A2 ─┤3 46├─ GND B2 ─┤4 45├─ I/O1B A3 ─┤5 44├─ I/O1A B3 ─┤6 43├─ I/O2B A4 ─┤7 42├─ I/O2A B4 ─┤8 41├─ I/O3B A5 ─┤9 40├─ I/O3A B5 ─┤10 39├─ I/O4B A6 ─┤11 38├─ I/O4A B6 ─┤12 37├─ I/O5B A7 ─┤13 36├─ I/O5A B7 ─┤14 35├─ I/O6B A8 ─┤15 34├─ I/O6A B8 ─┤16 33├─ I/O7B A9 ─┤17 32├─ I/O7A B9 ─┤18 31├─ I/O8B A10 ─┤19 30├─ I/O8A B10 ─┤20 29├─ I/O9B A11 ─┤21 28├─ I/O9A B11 ─┤22 27├─ I/O10B A12 ─┤23 26├─ I/O10A B12 ─┤24 25├─ GND └───┘

Functional Features

  • Bidirectional voltage translation: Allows interfacing between devices operating at different logic levels.
  • High-speed operation: Provides fast signal propagation with a typical delay of 2.5ns.
  • Low-power consumption: Designed to minimize power consumption, making it suitable for battery-powered applications.
  • Output drive capability: Can drive up to ±24mA, ensuring reliable signal transmission.

Advantages and Disadvantages

Advantages

  • Enables seamless communication between devices with different voltage levels.
  • High-speed operation allows for efficient data transfer.
  • Low-power consumption extends battery life in portable devices.
  • Compact TSSOP package offers space-saving benefits.

Disadvantages

  • Limited to voltage translation between specific logic levels (1.2V to 3.6V).
  • May not be suitable for applications requiring voltage translation outside the specified range.

Working Principles

The 74LVCH322244AEC,51 is designed using CMOS technology and operates as a bidirectional voltage level shifter. It utilizes a combination of MOSFETs and control circuitry to translate signals between different logic levels. The IC detects the input voltage level and adjusts the output voltage accordingly, ensuring proper signal compatibility between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVCH322244AEC,51 finds applications in various fields, including: - Microcontroller interfacing - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the 74LVCH322244AEC,51 are: - SN74L

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 74LVCH322244AEC,51 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of 74LVCH322244AEC,51 in technical solutions:

  1. Q: What is the function of the 74LVCH322244AEC,51? A: The 74LVCH322244AEC,51 is a 32-bit buffer/line driver with 3-state outputs. It can be used to amplify and control signals in digital circuits.

  2. Q: What is the voltage range supported by the 74LVCH322244AEC,51? A: The 74LVCH322244AEC,51 supports a voltage range of 1.65V to 5.5V.

  3. Q: How many channels does the 74LVCH322244AEC,51 have? A: The 74LVCH322244AEC,51 has 32 channels, allowing it to handle 32 different signals simultaneously.

  4. Q: Can the 74LVCH322244AEC,51 be used for bidirectional communication? A: Yes, the 74LVCH322244AEC,51 supports bidirectional communication, making it suitable for applications where data needs to be transmitted and received on the same line.

  5. Q: What is the maximum output current of the 74LVCH322244AEC,51? A: The 74LVCH322244AEC,51 can provide a maximum output current of 24mA per channel.

  6. Q: Is the 74LVCH322244AEC,51 compatible with TTL and CMOS logic levels? A: Yes, the 74LVCH322244AEC,51 is compatible with both TTL and CMOS logic levels, making it versatile for various digital circuit designs.

  7. Q: Can the 74LVCH322244AEC,51 be used in high-speed applications? A: Yes, the 74LVCH322244AEC,51 is designed for high-speed operation and can handle data rates up to 400Mbps.

  8. Q: Does the 74LVCH322244AEC,51 have built-in ESD protection? A: Yes, the 74LVCH322244AEC,51 has built-in ESD protection, providing robustness against electrostatic discharge events.

  9. Q: What is the power supply voltage required for the 74LVCH322244AEC,51? A: The 74LVCH322244AEC,51 requires a power supply voltage of 1.65V to 5.5V.

  10. Q: Can the 74LVCH322244AEC,51 be cascaded with other similar devices? A: Yes, the 74LVCH322244AEC,51 can be cascaded with other similar devices to expand the number of channels or create larger buffer arrays.

Please note that the specific details and answers may vary depending on the datasheet and manufacturer's specifications of the 74LVCH322244AEC,51.