MC74LCX74DTR2G

Product Overview

• Category: Integrated Circuit
• Use: Logic Gates
• Characteristics: Low Voltage, Dual D Flip-Flop
• Package: TSSOP-14
• Essence: High-speed CMOS technology
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: LCX
• Number of Pins: 14
• Supply Voltage: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (typical)
• Output Current: ±24mA
• Input Voltage Levels: VIL = 0.8V, VIH = 2.0V
• Output Voltage Levels: VOL = 0.05V, VOH = 3.55V

Detailed Pin Configuration

1. CLK (Clock Input for Flip-Flop A)
2. D (Data Input for Flip-Flop A)
3. Q (Output for Flip-Flop A)
4. /Q (Complementary Output for Flip-Flop A)
5. GND (Ground)
6. /PRE (Preset Input)
7. /CLR (Clear Input)
8. Q (Output for Flip-Flop B)
9. /Q (Complementary Output for Flip-Flop B)
10. D (Data Input for Flip-Flop B)
11. CLK (Clock Input for Flip-Flop B)
12. VCC (Positive Supply Voltage)
13. GND (Ground)
14. /OE (Output Enable)

Functional Features

• Dual D-type flip-flops with clear and preset inputs
• High-speed operation due to advanced LCX technology
• Low voltage operation, suitable for battery-powered devices
• Complementary outputs for each flip-flop
• Output enable feature for multiplexing applications

Advantages and Disadvantages

Advantages

• High-speed performance allows for efficient data processing
• Low voltage operation reduces power consumption
• Clear and preset inputs provide flexibility in controlling the flip-flops
• Complementary outputs simplify circuit design
• Output enable feature enables multiplexing capabilities

Disadvantages

• Limited supply voltage range (1.65V to 3.6V)
• Propagation delay may affect timing-sensitive applications
• Package size (TSSOP-14) may require careful PCB layout considerations

Working Principles

The MC74LCX74DTR2G is a dual D-type flip-flop integrated circuit that operates using high-speed CMOS technology. It consists of two independent flip-flops, each with a clock input (CLK), data input (D), clear input (/CLR), and preset input (/PRE). The flip-flops store and output data based on the clock signal and input values.

The clear input (/CLR) resets the flip-flop to a known state, while the preset input (/PRE) sets the flip-flop to a specific state. The complementary outputs (/Q) provide inverted versions of the main outputs (Q).

The chip operates at low voltages between 1.65V and 3.6V, making it suitable for battery-powered devices. Its high-speed operation, with a typical propagation delay of 4.5ns, allows for efficient data processing.

Detailed Application Field Plans

The MC74LCX74DTR2G is commonly used in various digital systems and applications, including:

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

Its dual flip-flop design and low voltage operation make it suitable for applications that require efficient data storage, processing, and control.

Detailed and Complete Alternative Models

1. SN74LVC74ADGVR - Dual D Flip-Flop, VCC = 1.65V to 3.6V, TSSOP-14 package
2. CD4013BE - Dual D-Type Flip-Flop, VCC = 3V to 18V, DIP-14 package
3. 74HC74D - Dual D Flip-Flop, VCC = 2V to 6V, SOIC-14 package
4. HEF4013BT - Dual D-Type Flip-Flop, VCC = 3V to 15V, SOT108-1 package

These alternative models offer similar functionality to the MC74LCX74DTR2G and can be considered based on specific application requirements and availability.

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