Encyclopedia Entry: 74LVC373AD,112
Product Overview
- Category: Integrated Circuit (IC)
- Use: Digital Logic Device
- Characteristics: High-speed, low-power, transparent latch, 3-state output
- Package: SOIC (Small Outline Integrated Circuit)
- Essence: The 74LVC373AD,112 is an octal transparent latch with 3-state outputs. It is designed to store and transfer data in digital systems.
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Supply Voltage: 1.65V to 5.5V
- Input Voltage Levels: CMOS/TTL compatible
- Output Voltage Levels: CMOS compatible
- Operating Temperature Range: -40°C to +125°C
- Propagation Delay: 4.3 ns (typical)
- Output Drive Capability: ±24 mA
Pin Configuration
The 74LVC373AD,112 has a total of 20 pins. The pin configuration is as follows:
+-----+--+-----+
D0 -|1 +--+ 20|- VCC
D1 -|2 |- GND
D2 -|3 |- OE (Output Enable)
D3 -|4 |- LE (Latch Enable)
D4 -|5 |- Q0
D5 -|6 |- Q1
D6 -|7 |- Q2
D7 -|8 |- Q3
GND -|9 |- Q4
A0 -|10 |- Q5
A1 -|11 |- Q6
A2 -|12 |- Q7
NC -|13 |- GND
NC -|14 |- GND
GND -|15 |- NC
Q7 -|16 |- A2
Q6 -|17 |- A1
Q5 -|18 |- A0
VCC -|19 |- D7
+--+-----+--+
Functional Features
- The 74LVC373AD,112 is an octal transparent latch with 3-state outputs.
- It can store and transfer data in digital systems.
- The transparent latch allows the input data to be latched when the latch enable (LE) signal is high.
- The output enable (OE) signal controls the 3-state outputs, allowing them to be either active or in a high-impedance state.
Advantages and Disadvantages
Advantages: - High-speed operation - Low power consumption - Compatibility with CMOS and TTL logic levels - 3-state outputs provide flexibility in bus-oriented applications
Disadvantages: - Limited output drive capability compared to some other ICs - Not suitable for high-voltage applications
Working Principles
The 74LVC373AD,112 operates based on the principles of transparent latching. When the latch enable (LE) signal is high, the input data is transferred to the outputs. The output enable (OE) signal controls whether the outputs are active or in a high-impedance state.
Detailed Application Field Plans
The 74LVC373AD,112 is commonly used in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Data storage devices - Communication systems - Industrial automation equipment - Automotive electronics
Alternative Models
- 74HC373: Similar functionality, but operates at higher voltage levels (2V to 6V)
- 74LS373: Compatible with TTL logic levels, but operates at slower speeds
These alternative models can be used as substitutes for the 74LVC373AD,112 depending on specific application requirements.
In conclusion, the 74LVC373AD,112 is a high-speed, low-power octal transparent latch with 3-state outputs. It finds applications in various digital systems and offers advantages such as compatibility with CMOS/TTL logic levels and flexibility in bus-oriented applications. However, it has limitations in terms of output drive capability and suitability for high-voltage applications.
技術ソリューションにおける 74LVC373AD,112 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of 74LVC373AD,112 in technical solutions:
Q: What is the function of the 74LVC373AD,112? A: The 74LVC373AD,112 is an octal transparent latch with 3-state outputs. It can store and output data from its inputs.
Q: What is the maximum operating voltage for the 74LVC373AD,112? A: The maximum operating voltage for the 74LVC373AD,112 is typically 3.6V.
Q: How many data inputs does the 74LVC373AD,112 have? A: The 74LVC373AD,112 has 8 data inputs (D0-D7).
Q: Can the 74LVC373AD,112 be used as a bidirectional buffer? A: No, the 74LVC373AD,112 is not designed for bidirectional operation. It is primarily used as a latch.
Q: What is the output current capability of the 74LVC373AD,112? A: The 74LVC373AD,112 has a typical output current capability of ±32mA.
Q: Does the 74LVC373AD,112 have internal pull-up or pull-down resistors? A: No, the 74LVC373AD,112 does not have internal pull-up or pull-down resistors. External resistors may be required.
Q: Can the 74LVC373AD,112 operate at high speeds? A: Yes, the 74LVC373AD,112 is designed for high-speed operation and can handle frequencies up to several hundred megahertz.
Q: What is the power supply voltage range for the 74LVC373AD,112? A: The power supply voltage range for the 74LVC373AD,112 is typically from 1.65V to 3.6V.
Q: Can the 74LVC373AD,112 be cascaded to increase the number of latches? A: Yes, multiple 74LVC373AD,112 latches can be cascaded together to increase the number of latches in a system.
Q: Is the 74LVC373AD,112 compatible with other logic families? A: The 74LVC373AD,112 is designed to be compatible with both 3.3V and 5V logic families, making it versatile in mixed-voltage systems.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.