Voir les spécifications pour les détails du produit.
SN74HC373PWT
Product Overview
- Category: Integrated Circuit (IC)
- Use: Octal Transparent D-Type Latches with 3-State Outputs
- Characteristics:
- High-speed CMOS technology
- Eight latches in a single package
- 3-state outputs for bus-oriented applications
- Wide operating voltage range: 2V to 6V
- Low power consumption
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: The SN74HC373PWT is an integrated circuit that provides eight transparent D-type latches with 3-state outputs, designed for use in bus-oriented applications.
Packaging/Quantity
The SN74HC373PWT is available in a TSSOP package. It comes in reels and each reel contains 2500 units of the IC.
Specifications
- Supply Voltage Range: 2V to 6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Operating Temperature Range: -40°C to +85°C
- Maximum Clock Frequency: 80 MHz
- Maximum Propagation Delay: 15 ns
- Maximum Quiescent Current: 4 μA
Detailed Pin Configuration
The SN74HC373PWT has a total of 20 pins. The pin configuration is as follows:
- GND (Ground)
- D0 (Data Input 0)
- D1 (Data Input 1)
- D2 (Data Input 2)
- D3 (Data Input 3)
- D4 (Data Input 4)
- D5 (Data Input 5)
- D6 (Data Input 6)
- D7 (Data Input 7)
- OE (Output Enable)
- CP (Clock Pulse)
- MR (Master Reset)
- Q0 (Output 0)
- Q1 (Output 1)
- Q2 (Output 2)
- Q3 (Output 3)
- Q4 (Output 4)
- Q5 (Output 5)
- Q6 (Output 6)
- Q7 (Output 7)
Functional Features
The SN74HC373PWT offers the following functional features:
- Transparent latch operation
- 3-state outputs for bus-oriented applications
- Master reset function
- High-speed CMOS technology for fast operation
- Wide operating voltage range for compatibility with various systems
- Low power consumption for energy efficiency
Advantages and Disadvantages
Advantages: - Provides eight latches in a single package, saving board space - 3-state outputs allow multiple devices to share a common bus - High-speed operation enables efficient data transfer - Wide operating voltage range ensures compatibility with different systems - Low power consumption reduces energy usage
Disadvantages: - Limited number of latches per package - Requires external clock pulse for operation - Not suitable for applications requiring higher clock frequencies
Working Principles
The SN74HC373PWT operates based on transparent latch functionality. When the clock pulse (CP) is high, the input data (D0-D7) is transferred to the corresponding output latches (Q0-Q7). The output enable (OE) pin controls the 3-state outputs, allowing them to be either active or in a high-impedance state. The master reset (MR) pin resets all the latches to their initial state when activated.
Detailed Application Field Plans
The SN74HC373PWT is commonly used in various applications, including:
- Microprocessor-based systems
- Data storage systems
- Communication equipment
- Industrial control systems
- Automotive electronics
- Consumer electronics
Detailed and Complete Alternative Models
- SN74HC373N: DIP (Dual In-line Package) version of the SN74HC373PWT
- CD74HC373E: SOIC (Small Outline Integrated Circuit) version of the SN74HC373PWT
- MC74HC373DW: SOIC Wide package version of the SN74HC373PWT
- 74HCT373: Similar octal transparent latch with 3-state outputs, compatible with TTL logic levels
These alternative models provide similar functionality to the SN74HC373PWT and can be used as replacements in different applications.
In conclusion, the SN74HC373PWT is a versatile integrated circuit that offers eight transparent D-type latches with 3-state outputs. Its high-speed operation, wide voltage range, and low power consumption make it suitable for various applications in different industries.
Énumérez 10 questions et réponses courantes liées à l'application de SN74HC373PWT dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of SN74HC373PWT:
Q: What is SN74HC373PWT? A: SN74HC373PWT is a type of integrated circuit (IC) commonly used as an octal transparent latch with 3-state outputs.
Q: What is the purpose of SN74HC373PWT? A: SN74HC373PWT is used to store and control the flow of data in digital systems. It can be used for various applications such as data storage, address decoding, and bus interfacing.
Q: How many bits can SN74HC373PWT store? A: SN74HC373PWT can store 8 bits of data, as it is an octal latch.
Q: What is the voltage range supported by SN74HC373PWT? A: SN74HC373PWT supports a voltage range of 2V to 6V, making it compatible with both 3.3V and 5V systems.
Q: Can SN74HC373PWT handle high-speed data transfers? A: Yes, SN74HC373PWT is designed to operate at high speeds and can handle data transfers up to several megahertz.
Q: How does SN74HC373PWT achieve 3-state outputs? A: SN74HC373PWT has a control pin called OE (Output Enable), which when activated, puts the outputs in a high-impedance state, allowing multiple devices to share a common bus.
Q: Can SN74HC373PWT be cascaded to increase the number of bits stored? A: Yes, multiple SN74HC373PWT ICs can be cascaded together to increase the number of bits stored. The output of one latch can be connected to the input of another.
Q: What is the maximum current that SN74HC373PWT can sink/source? A: SN74HC373PWT can sink/source up to 6mA of current per output pin, making it suitable for driving LEDs and other low-power devices.
Q: Is SN74HC373PWT compatible with TTL logic levels? A: Yes, SN74HC373PWT is compatible with both TTL and CMOS logic levels, allowing it to interface with a wide range of digital systems.
Q: Are there any specific precautions to consider when using SN74HC373PWT? A: It is important to ensure that the power supply voltage does not exceed the specified range (2V to 6V) to prevent damage to the IC. Additionally, proper decoupling capacitors should be used to minimize noise and ensure stable operation.
Please note that these answers are general and may vary depending on the specific application and requirements.