SN74AS74ANG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, dual D-type positive-edge-triggered flip-flop
• Package: 14-pin plastic dual in-line package (PDIP)
• Essence: Reliable and efficient digital logic component
• Packaging/Quantity: Available in reels of 2,000 units

Specifications

• Logic Family: AS
• Technology: Bipolar
• Number of Flip-Flops: 2
• Trigger Type: Positive-edge
• Clock Enable: Yes
• Propagation Delay: 10 ns (typical)
• Operating Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The SN74AS74ANG4 has a total of 14 pins, which are assigned as follows:

1. CLR (Clear Input for both flip-flops)
2. D1 (Data Input for the first flip-flop)
3. CLK (Clock Input)
4. D2 (Data Input for the second flip-flop)
5. Q2 (Output of the second flip-flop)
6. Q1 (Output of the first flip-flop)
7. GND (Ground)
8. Q1 (Output of the first flip-flop)
9. Q2 (Output of the second flip-flop)
10. VCC (Positive Power Supply)

Functional Features

• Dual D-type flip-flops with individual clear inputs
• Positive-edge triggering on clock input
• Asynchronous clear input to reset both flip-flops
• Outputs can drive up to 10 LS-TTL loads
• High-speed operation suitable for time-critical applications
• Wide operating voltage range for compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Dual flip-flops provide flexibility in circuit design - Asynchronous clear input enables easy reset functionality - Wide operating voltage range ensures compatibility with different systems

Disadvantages: - Limited number of flip-flops (2) may not be sufficient for complex applications - Bipolar technology may consume more power compared to other IC technologies - PDIP package may require additional space on the circuit board

Working Principles

The SN74AS74ANG4 is a dual D-type positive-edge-triggered flip-flop. It stores digital information using two flip-flops, each capable of storing a single bit of data. The clock input triggers the transfer of data from the input pins (D1 and D2) to the corresponding flip-flops. The outputs (Q1 and Q2) reflect the stored data and can be used as inputs for other components or circuits.

The asynchronous clear input (CLR) allows for the simultaneous reset of both flip-flops, setting their outputs to a known state. This feature is useful for initializing the circuit or clearing stored data when required.

Detailed Application Field Plans

The SN74AS74ANG4 is widely used in various digital systems and applications, including:

1. Sequential Logic Circuits: Used as building blocks for counters, shift registers, and other sequential logic circuits.
2. Data Storage Systems: Employed in memory units, cache systems, and data storage devices.
3. Digital Communication: Utilized in communication protocols, data transmission, and signal processing systems.
4. Microcontrollers and Microprocessors: Integrated into control units, arithmetic logic units (ALUs), and register banks.
5. Industrial Automation: Incorporated in programmable logic controllers (PLCs), motor control units, and process control systems.

Detailed and Complete Alternative Models

1. SN74LS74AN: Similar dual D-type flip-flop with TTL logic family.
2. CD4013BE: Dual D-type flip-flop with CMOS technology.
3. MC74HC74AN: Dual D-type flip-flop with high-speed CMOS (HCMOS) technology.
4. 74HC74D: Dual D-type flip-flop with surface mount package (SOIC).

These alternative models offer similar functionality and can be used as replacements for the SN74AS74ANG4 in various applications.

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