Texas Instruments
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SN74AC533PW
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SN74AC533PW

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, 8-bit transparent latch with 3-state outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic level translation between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 6 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Output Drive Capability: ±24 mA at 3.3 V
  • Propagation Delay: 4.5 ns (typical)

Detailed Pin Configuration

The SN74AC533PW has a total of 20 pins, which are assigned as follows:

  1. GND (Ground)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. OE (Output Enable)
  11. LE (Latch Enable)
  12. Q0 (Output 0)
  13. Q1 (Output 1)
  14. Q2 (Output 2)
  15. Q3 (Output 3)
  16. Q4 (Output 4)
  17. Q5 (Output 5)
  18. Q6 (Output 6)
  19. Q7 (Output 7)
  20. VCC (Supply Voltage)

Functional Features

  • Transparent latch with 3-state outputs
  • Logic level translation between different voltage domains
  • High-speed operation with low power consumption
  • Output enable and latch enable control for flexible data flow

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing overall system energy usage - 3-state outputs provide flexibility in connecting multiple devices

Disadvantages: - Limited voltage range (2 V to 6 V) may not be suitable for all applications - Propagation delay of 4.5 ns may impact timing-sensitive operations

Working Principles

The SN74AC533PW is a transparent latch that can store and transfer data between different voltage domains. It operates by latching the input data when the latch enable (LE) signal is high. The stored data can then be outputted through the 3-state outputs when the output enable (OE) signal is also high. This allows for bidirectional data flow and logic level translation.

Detailed Application Field Plans

The SN74AC533PW is commonly used in various applications, including:

  1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
  2. Data transmission systems: It facilitates data transfer between devices with varying voltage requirements.
  3. Industrial automation: It can be used in control systems to interface different logic families.
  4. Communication equipment: It aids in voltage level conversion in networking and telecommunications devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74AC533PW are:

  1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
  2. SN74HCT125: Quad Bus Buffer Gates with 3-State Outputs
  3. SN74LVCH16245A: 16-Bit Bus Transceiver with 3-State Outputs

These alternatives provide comparable features and can be used as substitutes based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74AC533PW i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74AC533PW:

  1. Q: What is SN74AC533PW? A: SN74AC533PW is a octal transparent latch with 3-state outputs, commonly used in digital systems for data storage and transfer.

  2. Q: What is the operating voltage range for SN74AC533PW? A: The operating voltage range for SN74AC533PW is typically between 2V and 6V.

  3. Q: How many latch inputs does SN74AC533PW have? A: SN74AC533PW has eight latch inputs, labeled as D0 to D7.

  4. Q: Can SN74AC533PW be used for bidirectional data transfer? A: Yes, SN74AC533PW supports bidirectional data transfer, allowing data to be written to or read from the latch.

  5. Q: What is the maximum data transfer rate supported by SN74AC533PW? A: SN74AC533PW can support data transfer rates up to 200 MHz.

  6. Q: Does SN74AC533PW have any output enable pins? A: Yes, SN74AC533PW has an active-low output enable pin (OE), which when pulled low, enables the outputs.

  7. Q: Can SN74AC533PW be cascaded to increase the number of latches? A: Yes, multiple SN74AC533PW devices can be cascaded together to increase the number of latches in a system.

  8. Q: What is the typical power consumption of SN74AC533PW? A: The typical power consumption of SN74AC533PW is around 20mW.

  9. Q: Is SN74AC533PW compatible with TTL logic levels? A: Yes, SN74AC533PW is compatible with both TTL and CMOS logic levels.

  10. Q: What are some typical applications of SN74AC533PW? A: SN74AC533PW is commonly used in microprocessors, memory systems, data buses, and other digital systems where data storage and transfer is required.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.