74LCX74BQX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, low-power consumption, high-speed operation
• Package: QFN (Quad Flat No-leads)
• Essence: Dual D-type flip-flop with set and reset
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage Levels: CMOS/TTL compatible
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.5ns (typical)
• Output Drive Capability: ±24mA

Pin Configuration

The 74LCX74BQX has a total of 14 pins, which are assigned as follows:

1. Pin 1: Data Input A
2. Pin 2: Clock Input A
3. Pin 3: Set Input A
4. Pin 4: Reset Input A
5. Pin 5: Output A
6. Pin 6: Ground (GND)
7. Pin 7: Output B
8. Pin 8: Data Input B
9. Pin 9: Clock Input B
10. Pin 10: Set Input B
11. Pin 11: Reset Input B
12. Pin 12: VCC (Supply Voltage)
13. Pin 13: Clock Enable Input
14. Pin 14: Clock Enable Output

Functional Features

• Dual D-type flip-flop with independent set and reset inputs
• High-speed operation, suitable for applications requiring fast data transfer
• Low-voltage operation allows compatibility with various systems
• CMOS/TTL compatible input voltage levels ensure easy integration with existing circuits
• Clock enable input and output for synchronization control

Advantages and Disadvantages

Advantages

• Low-voltage operation reduces power consumption
• High-speed operation enables efficient data processing
• Dual flip-flop design provides flexibility in circuit design
• Compatibility with CMOS/TTL input levels simplifies integration

Disadvantages

• Limited output drive capability may restrict use in certain applications
• Temperature range limited to -40°C to +85°C

Working Principles

The 74LCX74BQX is a dual D-type flip-flop that stores and transfers data based on clock signals. It features independent set and reset inputs, allowing the user to control the state of each flip-flop individually. The flip-flop operates at low voltages, making it suitable for various portable and battery-powered devices. The CMOS/TTL compatible input levels ensure seamless integration with different logic families.

Detailed Application Field Plans

The 74LCX74BQX finds applications in various fields, including:

1. Digital communication systems
2. Computer peripherals
3. Consumer electronics
4. Industrial automation
5. Automotive electronics
6. Medical equipment

Alternative Models

Below are some alternative models that can be considered as replacements for the 74LCX74BQX:

1. SN74LVC74A: Dual positive-edge-triggered D-type flip-flop
2. MC74LVX74: Dual D-type flip-flop with set and reset
3. CD4013B: Dual D-type flip-flop with set and reset

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

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