Texas Instruments
Dibe ku wêne temsîl be.
Ji bo hûrguliyên hilberê li taybetmendiyan binêre.
SN74LVCC4245ADWRE4
Binêre Detail DataSheets

SN74LVCC4245ADWRE4

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Level Shifter and Bus Transceiver
  • Characteristics: Bi-directional, 8-bit, non-inverting, 3-state
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Transfers data between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: 2.4V (min), VCC (max)
  • Low-Level Output Voltage: 0.4V (max)
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 6.5ns (max)

Detailed Pin Configuration

The SN74LVCC4245ADWRE4 has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) A
  2. A1 (Data I/O) A
  3. A2 (Data I/O) A
  4. A3 (Data I/O) A
  5. A4 (Data I/O) A
  6. A5 (Data I/O) A
  7. A6 (Data I/O) A
  8. GND (Ground)
  9. B1 (Data I/O) B
  10. B2 (Data I/O) B
  11. B3 (Data I/O) B
  12. B4 (Data I/O) B
  13. B5 (Data I/O) B
  14. B6 (Data I/O) B
  15. VCC (Supply Voltage)
  16. DIR (Direction Control)
  17. OE (Output Enable) B
  18. B7 (Data I/O) B
  19. B8 (Data I/O) B
  20. A7 (Data I/O) A
  21. A8 (Data I/O) A
  22. A9 (Data I/O) A
  23. A10 (Data I/O) A
  24. A11 (Data I/O) A

Functional Features

  • Bi-directional data transfer between two voltage domains
  • Non-inverting logic translation
  • 3-state outputs for bus sharing
  • Output enable control for disabling the outputs
  • Wide supply voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - Allows interfacing between different voltage levels - Supports bidirectional communication - Non-inverting logic translation preserves signal integrity - 3-state outputs enable bus sharing

Disadvantages: - Propagation delay may limit high-speed applications - Limited number of data I/O pins (11 per side)

Working Principles

The SN74LVCC4245ADWRE4 is designed to facilitate communication between two voltage domains. It uses non-inverting logic translation to ensure that the output signal matches the input signal's logic level. The direction of data flow is controlled by the DIR pin, which determines whether data is transferred from side A to side B or vice versa.

When the output enable (OE) pin is active, the device allows data to be transmitted in both directions. When the OE pin is inactive, the outputs are disabled, effectively isolating the two sides of the circuit.

Detailed Application Field Plans

The SN74LVCC4245ADWRE4 can be used in various applications where voltage level shifting and bidirectional data transfer are required. Some potential application fields include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication between systems operating at different voltage levels
  3. Bus transceivers in multi-voltage domain systems
  4. Level shifting in battery-powered devices

Detailed and Complete Alternative Models

  1. SN74LVC4245ADW: Similar functionality, but operates at a lower supply voltage range (1.65V to 3.6V).
  2. SN74LVCC3245ADW: 8-bit, non-inverting, 3-state bus transceiver with a smaller package size.
  3. SN74AVC4T245PW: 4-bit, non-inverting, 3-state level shifter with a different pin configuration.

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

Word count: 470 words

10 pirs û bersivên hevpar ên têkildarî sepana SN74LVCC4245ADWRE4 di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of SN74LVCC4245ADWRE4 in technical solutions:

  1. Q: What is SN74LVCC4245ADWRE4? A: SN74LVCC4245ADWRE4 is a bidirectional voltage level translator and voltage-level shifter integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of SN74LVCC4245ADWRE4? A: SN74LVCC4245ADWRE4 is used to translate logic levels between different voltage domains, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVCC4245ADWRE4 support? A: SN74LVCC4245ADWRE4 supports voltage translation between 1.2V and 5.5V.

  4. Q: How many channels does SN74LVCC4245ADWRE4 have? A: SN74LVCC4245ADWRE4 has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can SN74LVCC4245ADWRE4 be used for level shifting in both directions? A: Yes, SN74LVCC4245ADWRE4 supports bidirectional level shifting, enabling translation from lower to higher voltage and vice versa.

  6. Q: What is the maximum data rate supported by SN74LVCC4245ADWRE4? A: SN74LVCC4245ADWRE4 can handle data rates up to 100 Mbps.

  7. Q: Is SN74LVCC4245ADWRE4 suitable for I2C or SPI communication? A: Yes, SN74LVCC4245ADWRE4 can be used for level shifting in I2C, SPI, and other similar communication protocols.

  8. Q: Can SN74LVCC4245ADWRE4 be used in both digital and analog applications? A: No, SN74LVCC4245ADWRE4 is designed specifically for digital signal level translation and should not be used for analog signals.

  9. Q: What is the power supply voltage range for SN74LVCC4245ADWRE4? A: SN74LVCC4245ADWRE4 operates with a power supply voltage range of 1.65V to 5.5V.

  10. Q: Are there any special considerations when using SN74LVCC4245ADWRE4 in high-speed applications? A: Yes, it is important to ensure proper signal integrity, minimize trace lengths, and follow recommended layout guidelines to maintain signal quality at higher data rates.

Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.