74HCT377D,652

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed operation, low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: D-type flip-flop with transparent latch and 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 4.4V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 80MHz
• Propagation Delay Time: 11ns
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 74HCT377D,652 IC has a total of 20 pins. The pin configuration is as follows:

1. CP (Clock Pulse) - Clock input for flip-flop operation.
2. D (Data) - Data input for the flip-flop.
3. Q0-Q7 (Outputs) - Eight individual outputs representing the stored data.
4. GND (Ground) - Ground reference for the IC.
5. OE (Output Enable) - Enables/disables the output buffers.
6. MR (Master Reset) - Resets the flip-flop to a known state.
7. VCC (Supply Voltage) - Positive supply voltage for the IC.

Functional Features

• Transparent Latch: The 74HCT377D,652 features a transparent latch that allows the input data to be transferred to the outputs when the clock pulse is active.
• 3-State Outputs: The outputs can be disabled using the output enable (OE) pin, allowing multiple devices to share a common bus without interference.
• Edge-Triggered Flip-Flop: The flip-flop is triggered on the rising edge of the clock pulse, ensuring reliable data storage.

Advantages and Disadvantages

Advantages: - High-speed operation: The 74HCT377D,652 can operate at frequencies up to 80MHz, making it suitable for applications requiring fast data processing. - Low power consumption: The IC consumes low power, making it energy-efficient and suitable for battery-powered devices.

Disadvantages: - Limited output current: The output current of the IC is limited, which may restrict its use in certain high-current applications. - Single-edge triggering: The flip-flop is triggered only on the rising edge of the clock pulse, limiting its flexibility in certain timing-sensitive applications.

Working Principles

The 74HCT377D,652 is a D-type flip-flop with a transparent latch. When the clock pulse (CP) is active, the input data (D) is transferred to the outputs (Q0-Q7). The transparent latch allows the outputs to reflect the input data as long as the clock pulse is active. The outputs can be disabled using the output enable (OE) pin, which puts them in a high-impedance state.

Detailed Application Field Plans

The 74HCT377D,652 is commonly used in various digital systems and applications, including:

1. Data Storage: The flip-flop functionality of the IC makes it suitable for storing and synchronizing data in digital circuits.
2. Address Decoding: The outputs of the IC can be used for address decoding in memory systems or other address-based applications.
3. Bus Interface: The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication between different components.
4. Clock Synchronization: The flip-flop can be used to synchronize signals with a common clock, ensuring proper timing in digital systems.

Detailed and Complete Alternative Models

• 74HC377: Similar to the 74HCT377D,652 but operates at a higher voltage range (2V to 6V).
• 74LS377: Low-power Schottky version of the flip-flop with similar functionality.
• CD4013: CMOS dual D-type flip-flop with similar characteristics and pin configuration.

These alternative models provide similar functionality and can be used as substitutes for the 74HCT377D,652 in various applications.

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