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MC74HCT373ADW
Product Overview
- Category: Integrated Circuit (IC)
- Use: Octal Transparent Latch with 3-State Outputs
- Characteristics:
- High-speed operation
- Wide operating voltage range
- 3-state outputs for bus-oriented applications
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: The MC74HCT373ADW is a latch IC that can store and output eight bits of data. It is commonly used in digital systems where temporary storage and retrieval of data is required.
- Packaging/Quantity: The MC74HCT373ADW is typically available in reels or tubes, with a quantity of 250 or 2,500 units per package.
Specifications
- Supply Voltage Range: 4.5V to 5.5V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Maximum Clock Frequency: 25 MHz
- Output Drive Capability: ±4 mA
Pin Configuration
The MC74HCT373ADW has a total of 20 pins, which are arranged as follows:
__ __
D0 |1 \__/ 20| VCC
D1 |2 19| OE (Output Enable)
D2 |3 18| Q7 (Output)
D3 |4 17| Q6 (Output)
D4 |5 16| Q5 (Output)
D5 |6 15| Q4 (Output)
D6 |7 14| Q3 (Output)
D7 |8 13| Q2 (Output)
GND |9 12| Q1 (Output)
CLK |10 11| Q0 (Output)
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Functional Features
- Octal transparent latch with 3-state outputs
- Latches data on the rising edge of the clock signal
- Outputs can be enabled or disabled using the Output Enable (OE) pin
- Supports bidirectional data flow for bus-oriented applications
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient data transfer - Wide operating voltage range provides flexibility in various applications - 3-state outputs enable easy integration into bus systems
Disadvantages: - Limited output drive capability may restrict usage in certain scenarios - Requires an external clock signal for proper operation
Working Principles
The MC74HCT373ADW operates as an octal transparent latch, meaning it can store and output eight bits of data. The latch is triggered by the rising edge of a clock signal, which latches the input data onto the outputs. The Output Enable (OE) pin controls whether the outputs are active or in a high-impedance state.
Detailed Application Field Plans
The MC74HCT373ADW is commonly used in various digital systems, including but not limited to: - Microcontrollers - Data storage devices - Address decoders - Memory modules - Bus interfaces
Detailed and Complete Alternative Models
Some alternative models that provide similar functionality to the MC74HCT373ADW include: - SN74HCT373N by Texas Instruments - CD74HCT373E by Texas Instruments - 74HCT373D by NXP Semiconductors - 74HC373 by ON Semiconductor
These alternatives can be considered based on specific requirements and availability.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MC74HCT373ADW em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of MC74HCT373ADW in technical solutions:
Q: What is MC74HCT373ADW? A: MC74HCT373ADW is a high-speed octal transparent latch with 3-state outputs, commonly used in digital systems.
Q: What is the purpose of MC74HCT373ADW? A: MC74HCT373ADW is used to store and control the flow of data in digital circuits, allowing for temporary storage or latching of signals.
Q: What is the maximum operating frequency of MC74HCT373ADW? A: The maximum operating frequency of MC74HCT373ADW is typically around 50 MHz.
Q: How many bits can MC74HCT373ADW latch? A: MC74HCT373ADW can latch 8 bits of data, as it is an octal (8-bit) latch.
Q: Can MC74HCT373ADW be used with both TTL and CMOS logic levels? A: Yes, MC74HCT373ADW is compatible with both TTL and CMOS logic levels, making it versatile for various applications.
Q: What is the power supply voltage range for MC74HCT373ADW? A: MC74HCT373ADW operates within a power supply voltage range of 4.5V to 5.5V.
Q: Does MC74HCT373ADW have any built-in protection features? A: Yes, MC74HCT373ADW has built-in diode protection against electrostatic discharge (ESD) and excessive voltage transients.
Q: Can MC74HCT373ADW drive LEDs directly? A: Yes, MC74HCT373ADW can drive LEDs directly as it has 3-state outputs that can sink or source current.
Q: What is the typical propagation delay of MC74HCT373ADW? A: The typical propagation delay of MC74HCT373ADW is around 15 ns.
Q: Can MC74HCT373ADW be used in high-speed data transfer applications? A: Yes, MC74HCT373ADW can be used in high-speed data transfer applications due to its fast operation and 3-state outputs.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.