DM74AS574WM

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, TTL Logic
• Package: 20-pin Wide SOIC (Small Outline Integrated Circuit)
• Essence: Sequential Logic Device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• High-Level Input Voltage: 2.0V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.4V (min)
• Low-Level Output Voltage: 0.4V (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. D0 (Data Input 0)
2. D1 (Data Input 1)
3. D2 (Data Input 2)
4. D3 (Data Input 3)
5. D4 (Data Input 4)
6. D5 (Data Input 5)
7. D6 (Data Input 6)
8. D7 (Data Input 7)
9. GND (Ground)
10. Q0 (Output 0)
11. Q1 (Output 1)
12. Q2 (Output 2)
13. Q3 (Output 3)
14. Q4 (Output 4)
15. Q5 (Output 5)
16. Q6 (Output 6)
17. Q7 (Output 7)
18. CP (Clock Pulse Input)
19. OE (Output Enable)
20. VCC (Supply Voltage)

Functional Features

• Eight D-type flip-flops with tri-state outputs
• Positive-edge triggered clock input
• Output enable control for multiplexing applications
• TTL compatible inputs and outputs
• High-speed operation

Advantages and Disadvantages

Advantages: - High-speed performance suitable for time-critical applications - Tri-state outputs allow for efficient bus sharing - Wide operating temperature range enables use in various environments

Disadvantages: - Requires external clock signal for proper operation - Limited number of flip-flops per package (8 in this case)

Working Principles

The DM74AS574WM is a sequential logic device that consists of eight D-type flip-flops with tri-state outputs. It operates based on the positive-edge triggered clock input (CP). When the clock signal transitions from low to high, the data present at the D inputs is transferred to the corresponding Q outputs. The output enable (OE) control allows for multiplexing applications by enabling or disabling the outputs. The device operates using TTL logic levels and requires a supply voltage between 4.5V and 5.5V.

Detailed Application Field Plans

The DM74AS574WM can be used in various applications that require sequential logic and high-speed operation. Some potential application fields include:

1. Data storage systems: The flip-flops can be used to store and retrieve data in registers or memory units.
2. Communication systems: The device can be utilized in data transmission and reception circuits, ensuring accurate and synchronized data transfer.
3. Control systems: The flip-flops can be employed in control circuits to store and process signals for controlling various processes or devices.
4. Digital signal processing: The device can be used in digital filters, signal generators, or other DSP applications that require sequential data processing.

Detailed and Complete Alternative Models

1. SN74LS574: Similar 20-pin IC with octal D-type flip-flops and tri-state outputs, but operates at a lower speed compared to DM74AS574WM.
2. CD4013: Dual D-type flip-flop IC with complementary outputs, suitable for applications requiring only two flip-flops.
3. 74HC574: Octal D-type flip-flop IC with non-inverting outputs, compatible with CMOS logic levels.

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