74LVQ374SJX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-voltage, octal D-type flip-flop with 3-state outputs
• Package: Small Outline Package (SOP)
• Essence: Reliable and efficient storage element for digital circuits
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage: 1.65V to 5.5V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 4.2ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74LVQ374SJX IC has a total of 20 pins, which are assigned specific functions as follows:

1. Pin 1: Output Enable (OE)
2. Pin 2: Data Input (D0)
3. Pin 3: Data Input (D1)
4. Pin 4: Data Input (D2)
5. Pin 5: Data Input (D3)
6. Pin 6: Data Input (D4)
7. Pin 7: Data Input (D5)
8. Pin 8: Data Input (D6)
9. Pin 9: Data Input (D7)
10. Pin 10: Clock Input (CLK)
11. Pin 11: Master Reset (MR)
12. Pin 12: Output Q0
13. Pin 13: Output Q1
14. Pin 14: Output Q2
15. Pin 15: Output Q3
16. Pin 16: Output Q4
17. Pin 17: Output Q5
18. Pin 18: Output Q6
19. Pin 19: Output Q7
20. Pin 20: Ground (GND)

Functional Features

• Octal D-type flip-flop with 3-state outputs
• High-speed operation suitable for various digital applications
• Low-voltage operation allows compatibility with modern integrated circuits
• 3-state outputs provide flexibility in connecting multiple devices

Advantages and Disadvantages

Advantages

• High-speed operation improves overall system performance
• Low-voltage operation reduces power consumption
• 3-state outputs allow for efficient bus sharing
• Small package size saves board space

Disadvantages

• Limited output drive capability may not be suitable for high-current applications
• Sensitivity to voltage fluctuations may require additional voltage regulation circuitry

Working Principles

The 74LVQ374SJX is a positive-edge-triggered flip-flop that stores data on the rising edge of the clock signal. When the master reset (MR) input is low, the flip-flop is cleared, and all outputs are forced to a low state. Data inputs (D0-D7) are latched into the flip-flop on the rising edge of the clock signal (CLK). The output enable (OE) input controls the 3-state outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The 74LVQ374SJX is commonly used in various digital systems, including:

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

Detailed and Complete Alternative Models

1. 74HC374: Similar octal D-type flip-flop with 3-state outputs, compatible with 5V systems
2. 74HCT374: Octal D-type flip-flop with 3-state outputs, compatible with both 5V and 3.3V systems
3. SN74LVQ374: Low-voltage version of the 74LVQ374SJX, with similar characteristics and pin configuration

These alternative models offer similar functionality and can be used as substitutes for the 74LVQ374SJX in various applications.

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