SN74LVC74ADT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, low-power, dual D-type positive-edge-triggered flip-flop
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to store and transfer data in digital systems.
• Packaging/Quantity: Available in reels of 2500 pieces.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Propagation Delay Time: 3.7ns (typical)

Detailed Pin Configuration

The SN74LVC74ADT has a total of 14 pins, which are assigned specific functions:

1. CLR (Clear) - Active LOW clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. PR (Preset) - Active LOW preset input
5. Q (Output) - Complementary output
6. Q̅ (Output) - Non-inverting output
7. GND (Ground) - Ground reference
8. Q̅ (Output) - Inverting output
9. Q (Output) - Non-inverting output
10. GND (Ground) - Ground reference
11. VCC (Supply Voltage) - Positive supply voltage
12. D (Data) - Data input
13. CLK (Clock) - Clock input
14. CLR (Clear) - Active LOW clear input

Functional Features

• Positive-edge-triggered flip-flop
• Dual D-type flip-flop with individual clear and preset inputs
• Low-voltage operation, suitable for battery-powered devices
• High-speed operation, ideal for applications requiring quick data transfer
• Compatible with various logic families due to 5V tolerant inputs

Advantages and Disadvantages

Advantages: - Low power consumption - Wide supply voltage range - Compact TSSOP package for space-constrained designs - Compatibility with different logic families

Disadvantages: - Limited maximum operating frequency compared to some other flip-flops - Lack of built-in protection features against electrical noise or ESD events

Working Principles

The SN74LVC74ADT is a positive-edge-triggered flip-flop that stores and transfers data based on the rising edge of the clock signal. It has two D-type flip-flops with independent clear and preset inputs. The data input (D) determines the state of the flip-flop, which is then transferred to the complementary outputs (Q and Q̅) upon the rising edge of the clock signal (CLK). The clear (CLR) and preset (PR) inputs allow for resetting or setting the flip-flop to specific states.

Detailed Application Field Plans

The SN74LVC74ADT can be used in various digital systems where data storage and transfer are required. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data acquisition systems
4. Industrial automation
5. Consumer electronics
6. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LVC74APWR - TSSOP package, reel of 2000 pieces
2. SN74LVC74ANSR - SOP (Small Outline Package), reel of 2500 pieces
3. SN74LVC74ADBR - SSOP (Shrink Small Outline Package), reel of 2000 pieces
4. SN74LVC74ADGVR - TVSOP (Thin Very Small Outline Package), reel of 2500 pieces

These alternative models offer similar functionality and characteristics to the SN74LVC74ADT, but with different package options.

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