Encyclopedia Entry: 74LVT74D/AUJ

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Flip-Flop
• Characteristics: High-speed, low-voltage, dual D-type flip-flop
• Package: SOIC-14 (Small Outline Integrated Circuit), JEDEC MS-012, 0.150" Narrow Body
• Essence: The 74LVT74D/AUJ is a versatile integrated circuit that provides two independent D-type flip-flops in a single package.
• Packaging/Quantity: Available in reels or tubes, with varying quantities depending on the supplier.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVT (Low-Voltage TTL)
• Input/Output Compatibility: TTL and CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5 ns (typical)
• Output Drive Capability: ±24 mA
• Latch-Up Performance: Exceeds 500 mA per JESD 17

Detailed Pin Configuration

The 74LVT74D/AUJ has a total of 14 pins, which are assigned specific functions as follows:

| Pin No. | Name | Function | |---------|------|----------| | 1 | CLR | Clear Input (Active Low) | | 2 | D | Data Input | | 3 | CLK | Clock Input | | 4 | PR | Preset Input (Active Low) | | 5 | Q | Output Q | | 6 | Q\ | Complementary Output Q | | 7 | GND | Ground | | 8 | Q\ | Complementary Output Q | | 9 | Q | Output Q | | 10 | PR | Preset Input (Active Low) | | 11 | CLK | Clock Input | | 12 | D | Data Input | | 13 | CLR | Clear Input (Active Low) | | 14 | VCC | Power Supply Voltage |

Functional Features

• Dual D-type flip-flop with independent inputs and outputs.
• High-speed operation, suitable for applications requiring fast data processing.
• Low-voltage operation allows compatibility with various logic families.
• Clear and preset inputs for synchronous reset and initialization.
• Complementary outputs provide flexibility in signal routing.

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient data handling. - Low-voltage operation reduces power consumption. - Versatile compatibility with different logic families. - Compact package size saves board space.

Disadvantages: - Limited output drive capability compared to some other ICs. - Requires careful consideration of voltage levels to ensure proper functionality.

Working Principles

The 74LVT74D/AUJ operates as a dual D-type flip-flop. It stores and transfers digital data based on clock signals. The input data is latched and synchronized with the rising edge of the clock signal. The clear and preset inputs allow for synchronous reset and initialization of the flip-flop. The complementary outputs provide inverted versions of the stored data.

Detailed Application Field Plans

The 74LVT74D/AUJ finds applications in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Communication systems - Data storage devices - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

• 74HC74: High-speed CMOS version with similar functionality.
• SN74LS74: Low-power Schottky TTL version with comparable characteristics.
• CD4013B: CMOS dual D-type flip-flop with additional features.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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