SN74HCT374PWE4

Overview

Category: Integrated Circuit (IC)

Use: Flip-Flop

Characteristics: - High-speed CMOS logic - 3-state outputs - Octal D-type flip-flop - Positive-edge triggered

Package: TSSOP-20

Essence: The SN74HCT374PWE4 is an octal D-type flip-flop integrated circuit. It is designed for high-speed CMOS logic applications and features 3-state outputs.

Packaging/Quantity: The SN74HCT374PWE4 is available in a TSSOP-20 package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

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: 14 ns (max)
• Output Current: ±6 mA
• Input Capacitance: 3 pF (typ)
• Output Capacitance: 8 pF (typ)

Pin Configuration

The SN74HCT374PWE4 has a total of 20 pins. The pin configuration is as follows:

+---+--+---+ Q0 |1 20| VCC Q1 |2 19| OE# Q2 |3 18| D7 Q3 |4 17| D6 Q4 |5 16| D5 Q5 |6 15| D4 Q6 |7 14| D3 Q7 |8 13| D2 GND |9 12| D1 CP |10 11| D0 +--------+

Functional Features

The SN74HCT374PWE4 is a positive-edge triggered octal D-type flip-flop. It has three-state outputs, allowing the outputs to be disabled when not in use. The flip-flop can store eight bits of data and is controlled by a clock signal.

Advantages and Disadvantages

Advantages: - High-speed operation - Three-state outputs for flexibility - Compact TSSOP-20 package - Wide operating temperature range

Disadvantages: - Limited input voltage range (0V to VCC) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74HCT374PWE4 operates based on positive-edge triggering. When the clock signal transitions from low to high, the inputs (D0-D7) are latched and stored in the flip-flop. The stored data can then be accessed through the outputs (Q0-Q7). The three-state outputs allow the flip-flop to be disabled, effectively disconnecting the outputs from the circuit.

Detailed Application Field Plans

The SN74HCT374PWE4 is commonly used in various digital systems and applications, including: - Data storage and retrieval systems - Address decoding circuits - Register banks - Bus interfaces - State machines - Control units

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74HCT374PWE4 include: - CD74HC374E - MC74HCT374AN - 74ACT374SCX

These alternatives can be considered based on specific requirements such as supply voltage range, package type, or additional features.

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