TC74HC273APF

Product Overview

Category: Integrated Circuit (IC)
Use: Flip-Flop
Characteristics: High-Speed, Octal D-Type, Positive-Edge Triggered, 3-State Output
Package: 20-pin Plastic SOP (Small Outline Package)
Essence: The TC74HC273APF is a high-speed octal D-type flip-flop that operates on positive-edge triggering. It features 3-state outputs, making it suitable for various applications.
Packaging/Quantity: The TC74HC273APF is typically available in reels of 2,000 pieces.

Specifications

Supply Voltage: 2V to 6V
Input Voltage: 0V to VCC
Output Voltage: 0V to VCC
Operating Temperature: -40°C to +85°C
Propagation Delay Time: 14ns (typical) at VCC = 5V, CL = 15pF
Output Current: ±25mA

Pin Configuration

The TC74HC273APF has a total of 20 pins arranged as follows:

┌───┬───┐ Q1 ─┤1 20├─ VCC Q2 ─┤2 19├─ Q0 Q3 ─┤3 18├─ CP Q4 ─┤4 17├─ MR Q5 ─┤5 16├─ D7 Q6 ─┤6 15├─ D6 Q7 ─┤7 14├─ D5 GND ─┤8 13├─ D4 D0 ─┤9 12├─ D3 D1 ─┤10 11├─ D2 └─────┘

Functional Features

Positive-edge triggered operation
Octal D-type flip-flop with 3-state outputs
High-speed operation suitable for time-critical applications
Wide operating voltage range (2V to 6V)
Low power consumption
Schmitt trigger inputs for noise immunity

Advantages and Disadvantages

Advantages

High-speed operation allows for efficient data processing.
3-state outputs provide flexibility in connecting multiple devices.
Wide operating voltage range enables compatibility with various systems.
Low power consumption helps conserve energy.
Schmitt trigger inputs ensure reliable operation even in noisy environments.

Disadvantages

Limited output current may restrict certain high-power applications.
The 20-pin package may require additional space on the circuit board compared to smaller packages.

Working Principles

The TC74HC273APF is a positive-edge triggered octal D-type flip-flop. It stores data at its inputs (D0-D7) and transfers it to the outputs (Q0-Q7) upon receiving a positive clock pulse (CP). The master reset (MR) input allows for clearing all outputs to a predefined state. The 3-state outputs enable multiple devices to share a common bus, providing efficient data transfer.

Detailed Application Field Plans

The TC74HC273APF can be used in various applications, including:

Microprocessor-based systems
Data storage and retrieval systems
Communication equipment
Industrial control systems
Automotive electronics
Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TC74HC273APF include:

SN74HC273N by Texas Instruments
CD74HC273E by Texas Instruments
MC74HC273AN by ON Semiconductor
74HC273D by NXP Semiconductors

These alternative models can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC74HC273APF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TC74HC273APF:

Q: What is TC74HC273APF? A: TC74HC273APF is a type of octal D-type flip-flop integrated circuit (IC) that can store and manipulate digital data.
Q: What is the purpose of TC74HC273APF? A: The purpose of TC74HC273APF is to provide a means of storing and synchronizing digital data in various technical solutions.
Q: How many flip-flops are there in TC74HC273APF? A: TC74HC273APF contains 8 individual flip-flops, making it an octal (8-bit) device.
Q: What is the operating voltage range for TC74HC273APF? A: The operating voltage range for TC74HC273APF is typically between 2V and 6V.
Q: Can TC74HC273APF be used in both TTL and CMOS logic systems? A: Yes, TC74HC273APF is compatible with both TTL and CMOS logic systems.
Q: What is the maximum clock frequency supported by TC74HC273APF? A: The maximum clock frequency supported by TC74HC273APF is typically around 25 MHz.
Q: Does TC74HC273APF have any built-in output latches? A: No, TC74HC273APF does not have any built-in output latches. The outputs directly reflect the inputs when the clock signal changes.
Q: Can TC74HC273APF be cascaded to increase the number of flip-flops? A: Yes, TC74HC273APF can be cascaded by connecting the output of one IC to the input of another, allowing for an increased number of flip-flops.
Q: What is the power consumption of TC74HC273APF? A: The power consumption of TC74HC273APF is relatively low, typically around a few milliwatts.
Q: Are there any specific precautions to consider when using TC74HC273APF? A: It is important to ensure that the voltage levels and clock frequencies are within the specified limits to prevent damage to the IC. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for TC74HC273APF.