MM74HC374N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Octal D-Type Flip-Flop with 3-State Outputs
• Package: DIP (Dual In-Line Package)
• Essence: The MM74HC374N is a versatile integrated circuit that provides eight D-type flip-flops with 3-state outputs. It is designed for high-speed operation and can be used in various digital applications.
• Packaging/Quantity: The MM74HC374N is typically sold in packs of 25 or 50 units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: Vcc - 0.1V
• Low-Level Output Voltage: 0.1V
• Maximum Clock Frequency: 33MHz
• Propagation Delay Time: 13ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MM74HC374N has a total of 20 pins, which are arranged as follows:

+-----+--+-----+ Q0 --|1 +--+ 20|-- Vcc Q1 --|2 19|-- Q7 Q2 --|3 18|-- GND Q3 --|4 17|-- D7 Q4 --|5 16|-- D6 Q5 --|6 15|-- D5 Q6 --|7 14|-- D4 Q7 --|8 13|-- D3 GND --|9 12|-- D2 CP --|10 11|-- D1 +--------------+

Functional Features

• High-Speed Operation: The MM74HC374N is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• 3-State Outputs: Each flip-flop in the MM74HC374N has a 3-state output, allowing multiple devices to share a common bus without interference.
• Octal Flip-Flops: With eight flip-flops in a single package, the MM74HC374N provides a compact and efficient solution for storing and transferring digital data.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - 3-state outputs allow for easy bus sharing. - Compact package saves board space. - Versatile and widely used in various digital applications.

Disadvantages: - Limited voltage range (2V to 6V) may not be suitable for all applications. - Propagation delay time of 13ns may introduce timing issues in certain scenarios.

Working Principles

The MM74HC374N operates based on the principles of D-type flip-flops. It stores and transfers digital data using clock signals. When the clock input (CP) receives a rising edge, the data present at the D-inputs is transferred to the corresponding Q-outputs. The 3-state outputs allow the flip-flops to be disabled, effectively disconnecting them from the bus.

Detailed Application Field Plans

The MM74HC374N can be used in various digital applications, including but not limited to: - Data storage and transfer in microcontrollers and microprocessors. - Address decoding in memory systems. - Bus interfacing in communication protocols. - State machine implementation in digital logic circuits.

Detailed and Complete Alternative Models

• SN74HC374N: Similar octal D-type flip-flop with 3-state outputs, offered by Texas Instruments.
• CD74HC374E: Octal D-type flip-flop with 3-state outputs, available from Texas Instruments.
• 74HCT374: Octal D-type flip-flop with 3-state outputs, offered by various manufacturers.

These alternative models provide similar functionality and can be used as substitutes for the MM74HC374N in different applications.

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