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:

1. Microprocessor-based systems
2. Data storage and retrieval systems
3. Communication equipment
4. Industrial control systems
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

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

1. SN74HC273N by Texas Instruments
2. CD74HC273E by Texas Instruments
3. MC74HC273AN by ON Semiconductor
4. 74HC273D by NXP Semiconductors

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

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