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74AHC74PW,112
Product Overview
- Category: Integrated Circuit (IC)
- Use: Flip-Flop
- Characteristics: High-speed, low-power, dual D-type flip-flop
- Package: TSSOP-14
- Essence: Digital logic component for storing and manipulating binary data
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Supply Voltage Range: 2 V to 5.5 V
- High-Level Input Voltage: 0.7 x VCC
- Low-Level Input Voltage: 0.3 x VCC
- High-Level Output Current: -8 mA
- Low-Level Output Current: 8 mA
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The 74AHC74PW,112 IC has a total of 14 pins arranged as follows:
___________
| |
1 -| CLR |-
2 -| D |-
3 -| CLK |-
4 -| PR |-
5 -| Q |-
6 -| QN |-
7 -| GND |-
8 -| QN |-
9 -| Q |-
10 -| VCC |-
11 -| D |-
12 -| CLK |-
13 -| PRESET |-
14 -| CLEAR |-
|___________|
Functional Features
- Dual D-type positive-edge-triggered flip-flop
- Independent data, clock, preset, and clear inputs
- Asynchronous reset and preset inputs
- Complementary outputs (Q and QN)
- High-speed operation with low power consumption
- Schmitt-trigger action on all inputs for improved noise immunity
Advantages and Disadvantages
Advantages: - High-speed operation allows for efficient data processing - Low-power consumption reduces energy requirements - Schmitt-trigger action enhances noise immunity - Independent inputs provide flexibility in controlling the flip-flop
Disadvantages: - Limited to digital logic applications - Requires proper handling and static discharge precautions
Working Principles
The 74AHC74PW,112 is a dual D-type flip-flop that stores and manipulates binary data. It operates on positive-edge-triggered clock signals and has independent inputs for data, clock, preset, and clear functions. The flip-flop can be reset asynchronously using the clear input or preset to a specific state using the preset input. The complementary outputs (Q and QN) provide the stored data in both true and inverted forms.
Application Field Plans
The 74AHC74PW,112 IC finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Communication systems - Data storage devices - Industrial automation - Consumer electronics
Alternative Models
Some alternative models that offer similar functionality to the 74AHC74PW,112 IC include: - SN74AHC74PW,112 - MC74AHC74PW,112 - CD74AHC74PW,112 - 74HC74PW,112
These models may have slight variations in specifications and pin configurations, so it is important to refer to their respective datasheets for detailed information.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74AHC74PW,112 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of 74AHC74PW,112 in technical solutions:
Q: What is the function of the 74AHC74PW,112? A: The 74AHC74PW,112 is a dual D-type flip-flop integrated circuit that can store and transfer binary data.
Q: What is the operating voltage range for the 74AHC74PW,112? A: The 74AHC74PW,112 operates within a voltage range of 2 V to 5.5 V.
Q: Can the 74AHC74PW,112 be used in both digital and analog circuits? A: No, the 74AHC74PW,112 is specifically designed for digital applications and is not suitable for analog circuits.
Q: How many flip-flops are there in the 74AHC74PW,112? A: The 74AHC74PW,112 contains two independent D-type flip-flops.
Q: What is the maximum clock frequency supported by the 74AHC74PW,112? A: The 74AHC74PW,112 can operate at a maximum clock frequency of 125 MHz.
Q: Can the 74AHC74PW,112 be cascaded to create larger registers or counters? A: Yes, multiple 74AHC74PW,112 ICs can be cascaded together to create larger registers or counters.
Q: Does the 74AHC74PW,112 have any built-in asynchronous clear or preset inputs? A: No, the 74AHC74PW,112 does not have any built-in asynchronous clear or preset inputs.
Q: What is the power supply current consumption of the 74AHC74PW,112? A: The power supply current consumption of the 74AHC74PW,112 is typically around 4 mA.
Q: Can the 74AHC74PW,112 be used in high-speed applications? A: Yes, the 74AHC74PW,112 is designed for high-speed operation and can be used in such applications.
Q: Are there any specific precautions to consider when using the 74AHC74PW,112? A: It is important to ensure that the power supply voltage does not exceed the specified maximum limit (5.5 V) 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.