SN74HCT273PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, CMOS logic, 8-bit register
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: D-type positive-edge-triggered flip-flop
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HCT
• Number of Bits: 8
• Trigger Type: Positive Edge
• Clock Frequency: Up to 25 MHz
• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to Vcc
• Output Voltage Range: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74HCT273PW has a total of 20 pins. The pin configuration is as follows:

1. CLR (Clear)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. GND (Ground)
11. Q7 (Output 7)
12. Q6 (Output 6)
13. Q5 (Output 5)
14. Q4 (Output 4)
15. Q3 (Output 3)
16. Q2 (Output 2)
17. Q1 (Output 1)
18. Q0 (Output 0)
19. CP (Clock Pulse)
20. VCC (Supply Voltage)

Functional Features

The SN74HCT273PW is a D-type positive-edge-triggered flip-flop. It can store and transfer data in an 8-bit register. The flip-flop is triggered by a positive edge of the clock pulse (CP) input. When the clock pulse rises from low to high, the data present at the D0-D7 inputs is transferred to the Q0-Q7 outputs.

Advantages and Disadvantages

Advantages: - High-speed operation - CMOS logic for low power consumption - Compact TSSOP package for space-saving designs - Wide operating temperature range

Disadvantages: - Limited voltage supply range (4.5V to 5.5V) - Requires an external clock signal for operation

Working Principles

The SN74HCT273PW operates based on the principles of positive-edge-triggered flip-flops. When the clock pulse rises from low to high, the flip-flop captures the data present at the inputs and stores it in the internal registers. This stored data is then available at the outputs until the next clock pulse triggers a new data transfer.

Detailed Application Field Plans

The SN74HCT273PW is commonly used in various digital systems where the storage and transfer of data is required. Some application fields include:

1. Microcontrollers: Used as a register to store temporary data during processing.
2. Communication Systems: Utilized for buffering and synchronization purposes.
3. Data Acquisition Systems: Employed to capture and hold analog or digital signals.
4. Memory Addressing: Used to address specific memory locations in computer systems.
5. Control Systems: Utilized for sequential logic operations and state machine implementations.

Detailed and Complete Alternative Models

1. SN74HC273PW: Similar to SN74HCT273PW but operates at a higher clock frequency (up to 50 MHz).
2. CD74HCT273E: Equivalent flip-flop in a DIP (Dual In-line Package) package.
3. 74LS273: TTL logic equivalent with similar functionality.

These alternative models provide similar functionality to the SN74HCT273PW and can be used as replacements depending on specific requirements.

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