SN74AC564DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Octal D-Type Flip-Flop with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-speed, low-power consumption flip-flop
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Flip-Flops: 8
• Logic Family: AC
• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5.5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

1. CP (Clock Pulse) - Clock input for flip-flop operation
2. D0-D7 (Data Inputs) - Data inputs for each flip-flop
3. Q0-Q7 (Outputs) - Outputs corresponding to each flip-flop
4. G (Output Enable) - Active-low output enable control
5. MR (Master Reset) - Active-low master reset input
6. VCC (Supply Voltage) - Positive power supply
7. GND (Ground) - Ground reference

Functional Features

• Octal D-Type Flip-Flop: Contains eight individual flip-flops in a single package.
• 3-State Outputs: Allows the outputs to be in a high-impedance state, enabling multiple devices to share a common bus.
• High-Speed Operation: Suitable for applications requiring fast data transfer.
• Low Power Consumption: Helps conserve energy in battery-powered devices.
• Master Reset Function: Resets all flip-flops simultaneously when MR is activated.

Advantages and Disadvantages

Advantages: - Compact integration of multiple flip-flops saves board space. - 3-state outputs facilitate bus sharing in complex systems. - High-speed operation allows for efficient data processing.

Disadvantages: - Limited number of flip-flops (8) in a single package. - Requires careful handling due to small size and sensitive pins. - Not suitable for applications requiring a large number of flip-flops.

Working Principles

The SN74AC564DWRE4 is an octal D-type flip-flop that stores data based on the clock input. When the clock pulse arrives, the data present at the inputs (D0-D7) is transferred to the corresponding outputs (Q0-Q7). The master reset (MR) input can be used to clear all flip-flops simultaneously. The output enable (G) pin controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

1. Data Storage: The flip-flops can be used to store data in various digital systems, such as registers and memory units.
2. State Machines: By connecting the outputs of the flip-flops to combinational logic circuits, complex state machines can be implemented.
3. Address Decoding: The flip-flops can be utilized in address decoding circuits to select specific memory locations or peripheral devices.
4. Bus Sharing: The 3-state outputs enable multiple devices to share a common bus, facilitating communication between different components.

Detailed and Complete Alternative Models

1. SN74AC574: Octal D-Type Flip-Flop with 3-State Outputs, but in a different package (TSSOP).
2. SN74HC574: Octal D-Type Flip-Flop with 3-State Outputs, compatible with a wider supply voltage range (2V to 6V).

(Note: This list is not exhaustive and other alternative models may exist.)

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