MC74LVX74DTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, dual D-type flip-flop with set and reset
• Package: TSSOP-14
• Essence: MC74LVX74DTG is a versatile integrated circuit that serves as a dual D-type flip-flop with set and reset functionality. It operates at low voltage levels and comes in a compact TSSOP-14 package.
• Packaging/Quantity: The MC74LVX74DTG is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage: 2.0V to 3.6V
• Logic Family: LVX
• Number of Flip-Flops: 2
• Input Type: CMOS
• Output Type: CMOS
• Propagation Delay: 7 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX74DTG has a total of 14 pins, each serving a specific function:

1. CLR (Clear) - Active LOW clear input
2. D1 (Data Input 1) - Data input for the first flip-flop
3. Q1 (Data Output 1) - Data output for the first flip-flop
4. Q̅1 (Complementary Data Output 1) - Complementary data output for the first flip-flop
5. GND (Ground) - Ground reference
6. D2 (Data Input 2) - Data input for the second flip-flop
7. Q2 (Data Output 2) - Data output for the second flip-flop
8. Q̅2 (Complementary Data Output 2) - Complementary data output for the second flip-flop
9. PRE (Preset) - Active LOW preset input
10. CLK (Clock) - Clock input
11. PR̅E (Complementary Preset) - Complementary active LOW preset input
12. SET (Set) - Active LOW set input
13. VCC (Supply Voltage) - Positive supply voltage
14. Q̅ (Complementary Data Output) - Complementary data output

Functional Features

• Dual D-type flip-flop with independent set and reset functionality
• Low-voltage operation suitable for battery-powered devices
• CMOS logic family ensures low power consumption
• High-speed operation with minimal propagation delay
• Compact package size allows for space-efficient designs

Advantages and Disadvantages

Advantages: - Versatile flip-flop with set and reset capability - Low-voltage operation extends battery life - Compact package size saves board space - Fast operation enables high-speed applications

Disadvantages: - Limited number of flip-flops (2 in this case) - Requires external clock signal for proper operation

Working Principles

The MC74LVX74DTG operates based on the principles of digital logic. It consists of two independent D-type flip-flops, each capable of storing a single bit of information. The flip-flops can be set or reset using the corresponding inputs (SET and CLR). The stored data can be accessed through the respective data outputs (Q and Q̅).

The flip-flops are triggered by the clock input (CLK), which synchronizes the transfer of data from the data inputs (D1 and D2) to the outputs (Q1 and Q2). The complementary outputs (Q̅1 and Q̅2) provide the inverse of the main outputs.

Detailed Application Field Plans

The MC74LVX74DTG finds applications in various digital systems where flip-flops are required. Some potential application fields include:

1. Digital Counters: The flip-flops can be used to build synchronous counters for counting events or generating precise timing signals.
2. State Machines: By combining multiple flip-flops, complex state machines can be implemented for controlling sequential logic circuits.
3. Data Storage: The flip-flops can store data temporarily, allowing for the buffering of information in digital systems.
4. Clock Division: Utilizing the flip-flop's ability to divide the clock frequency, it can be employed in clock dividers for generating lower-frequency signals.

Detailed and Complete Alternative Models

• SN74LV74A: Similar dual D-type flip-flop with set and reset functionality, available in SOIC-14 package.
• CD4013B: Dual D-type flip-flop with set and reset, operates at higher voltage levels, comes in PDIP-14 package.
• 74HC74: Dual D-type flip-flop with set and reset, compatible with high-speed CMOS logic, offered in various packages