SN74LVC1G79YEPR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic gate
• Characteristics: Single positive-edge-triggered D-type flip-flop with clear and preset
• Package: 6-pin SOT-23 package
• Essence: Flip-flop circuit for storing a single bit of data
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Supply voltage range: 1.65V to 5.5V
• High-level input voltage: 0.7 x VCC
• Low-level input voltage: 0.3 x VCC
• High-level output voltage: 0.9 x VCC
• Low-level output voltage: 0.1 x VCC
• Maximum clock frequency: 100 MHz
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC1G79YEPR has the following pin configuration:

1. GND (Ground)
2. D (Data input)
3. CP (Clock pulse input)
4. PR (Preset input)
5. CLR (Clear input)
6. Q (Flip-flop output)

Functional Features

• Positive-edge-triggered D-type flip-flop: The flip-flop stores the value of the data input (D) on the rising edge of the clock pulse (CP).
• Clear and preset inputs: The clear (CLR) input resets the flip-flop to a known state, while the preset (PR) input sets it to another known state.
• Single-bit storage: The flip-flop can store a single bit of data, which can be either a logic high or a logic low.

Advantages and Disadvantages

Advantages: - Compact size due to SOT-23 package - Wide supply voltage range allows for versatile applications - High clock frequency enables fast operation

Disadvantages: - Limited storage capacity (single bit) - Requires external components for complete circuit implementation

Working Principles

The SN74LVC1G79YEPR is a positive-edge-triggered D-type flip-flop. When the clock pulse (CP) rises from low to high, the value of the data input (D) is captured and stored in the flip-flop. The stored value appears at the output (Q) and remains unchanged until the next rising edge of the clock pulse.

The clear (CLR) input resets the flip-flop to a logic low state, while the preset (PR) input sets it to a logic high state. These inputs allow for initialization or forced states of the flip-flop.

Detailed Application Field Plans

The SN74LVC1G79YEPR can be used in various applications, including but not limited to:

1. Digital systems: Flip-flops are essential building blocks in digital circuits, used for storing and manipulating binary information.
2. Counters: Multiple flip-flops can be connected together to create counters, which are widely used in applications such as frequency dividers and event counters.
3. Memory elements: Flip-flops form the basis of memory elements like registers and shift registers, used for temporary storage and data manipulation.
4. Clock synchronization: Flip-flops are used to synchronize signals in digital systems, ensuring proper timing and avoiding data corruption.

Detailed and Complete Alternative Models

1. SN74LVC1G80YEPR: Similar to SN74LVC1G79YEPR, but with an inverted output (Q̅).
2. SN74LVC1G77YEPR: Single positive-edge-triggered D-type flip-flop without clear and preset inputs.
3. SN74LVC1G74YEPR: Dual positive-edge-triggered D-type flip-flop with clear and preset inputs.

These alternative models offer similar functionality but may have different pin configurations or additional features to suit specific application requirements.

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