SN74ACT374DWE4

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: D-type flip-flop with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6.5ns (typical)
• Output Current: ±24mA
• Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The SN74ACT374DWE4 has a total of 20 pins. The pin configuration is as follows:

1. D0: Data input for flip-flop 0
2. CP0: Clock input for flip-flop 0
3. D1: Data input for flip-flop 1
4. CP1: Clock input for flip-flop 1
5. D2: Data input for flip-flop 2
6. CP2: Clock input for flip-flop 2
7. D3: Data input for flip-flop 3
8. CP3: Clock input for flip-flop 3
9. D4: Data input for flip-flop 4
10. CP4: Clock input for flip-flop 4
11. D5: Data input for flip-flop 5
12. CP5: Clock input for flip-flop 5
13. D6: Data input for flip-flop 6
14. CP6: Clock input for flip-flop 6
15. D7: Data input for flip-flop 7
16. CP7: Clock input for flip-flop 7
17. OE: Output Enable
18. Q0: Output for flip-flop 0
19. Q1: Output for flip-flop 1
20. GND: Ground

Functional Features

The SN74ACT374DWE4 is a D-type flip-flop with 3-state outputs. It has eight individual flip-flops, each with its own data input (D) and clock input (CP). The flip-flops can be clocked simultaneously or individually, depending on the application requirements. The 3-state outputs allow for high impedance when disabled, enabling multiple devices to share a common bus.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - 3-state outputs for bus sharing - Wide operating temperature range

Disadvantages: - Limited voltage supply range (4.5V to 5.5V) - Relatively small input capacitance

Working Principles

The SN74ACT374DWE4 operates based on the principles of D-type flip-flops. Each flip-flop stores a single bit of information, which is determined by the state of its data input (D) at the rising edge of the clock input (CP). When the clock signal transitions from low to high, the data input is latched and stored in the flip-flop. The stored value appears at the corresponding output (Q) and remains unchanged until the next clock transition.

Detailed Application Field Plans

The SN74ACT374DWE4 is commonly used in various digital systems and applications, including:

1. Microprocessors and microcontrollers
2. Memory modules
3. Data storage devices
4. Communication systems
5. Industrial control systems

Detailed and Complete Alternative Models

1. SN74ACT374DW: Similar to SN74ACT374DWE4, but without the "E4" suffix indicating RoHS compliance.
2. SN74ACT374D: DIP (Dual In-line Package) version of the SN74ACT374DWE4.
3. SN74ACT574D: Octal D-type flip-flop with 3-state outputs, similar to SN74ACT374DWE4 but with different pin configuration.

These alternative models offer similar functionality and can be used as replacements for the SN74ACT374DWE4 in various applications.

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