Encyclopedia Entry: 74VHCT374AMTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop / Latch
• Characteristics: High-Speed, Low-Power, Octal D-Type Flip-Flop with 3-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC is designed to store and transfer data in digital systems. It provides eight flip-flops with 3-state outputs, making it suitable for applications requiring high-speed data storage and retrieval.
• Packaging/Quantity: The 74VHCT374AMTCX is typically sold in reels containing 2,500 units.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage Levels: High: 2.0V to VCC; Low: GND to 0.8V
• Output Voltage Levels: High: VCC - 0.4V; Low: 0.4V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 6 ns (max) at 5V supply voltage
• Output Drive Capability: ±24 mA at 3.0V supply voltage

Detailed Pin Configuration

The 74VHCT374AMTCX 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: Q Output (Q0)
13. Pin 13: Q Output (Q1)
14. Pin 14: Q Output (Q2)
15. Pin 15: Q Output (Q3)
16. Pin 16: Q Output (Q4)
17. Pin 17: Q Output (Q5)
18. Pin 18: Q Output (Q6)
19. Pin 19: Q Output (Q7)
20. Pin 20: Ground (GND)

Functional Features

• High-Speed Operation: The 74VHCT374AMTCX is designed to operate at high clock frequencies, allowing for rapid data transfer and storage.
• Low Power Consumption: This IC utilizes advanced CMOS technology, resulting in low power consumption while maintaining high performance.
• 3-State Outputs: The 3-state outputs enable the IC to be connected to a common bus, allowing multiple devices to share the same data lines without interference.
• Master Reset Function: The master reset pin (MR) allows all flip-flops to be simultaneously reset to a known state.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low power consumption prolongs battery life in portable devices. - 3-state outputs facilitate bus sharing among multiple devices. - Master reset function provides a convenient way to reset all flip-flops.

Disadvantages: - Limited output drive capability may restrict its use in applications requiring higher current sourcing/sinking capabilities. - TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The 74VHCT374AMTCX operates based on the principles of flip-flops and latch circuits. It stores data in its eight flip-flops, which can be clocked in synchrony with an external clock signal. The stored data can then be retrieved from the outputs. The master reset function allows all flip-flops to be simultaneously reset to a known state.

Detailed Application Field Plans

The 74VHCT374AMTCX is commonly used in various digital systems and applications, including: - Microprocessors and microcontrollers - Data storage systems - Communication equipment - Industrial automation - Automotive electronics

Alternative Models

Here are some alternative models that offer similar functionality to the 74VHCT374AMTCX: - SN74LV374A: Low-Voltage Octal D-Type Flip-Flop with 3-State Outputs - CD74HC374: High-Speed CMOS Logic Octal D-Type Flip-Flop with 3-State Outputs - MC74VHC374: Octal D-Type Flip-Flop with 3-State Outputs

These alternatives may have slightly different specifications or package options