Encyclopedia Entry: 74FCT2373CTQG

Product Overview

Category

The 74FCT2373CTQG belongs to the category of integrated circuits (ICs) and specifically falls under the family of octal transparent latches.

Use

This product is commonly used in digital systems for storing and transferring data. It serves as a latch, allowing the temporary storage of information until it is needed for further processing or output.

Characteristics

• Octal Transparent Latch: The 74FCT2373CTQG consists of eight individual transparent latches, each capable of storing one bit of data.
• High-Speed Operation: This IC operates at high speeds, making it suitable for applications that require quick data transfer.
• Low Power Consumption: The 74FCT2373CTQG is designed to consume minimal power, ensuring efficient operation and reduced energy consumption.
• Wide Operating Voltage Range: It can operate within a wide voltage range, typically between 4.5V and 5.5V.
• Robust Design: This IC is built to withstand various environmental conditions and provide reliable performance.

Package and Quantity

The 74FCT2373CTQG is available in a surface-mount package, specifically the TSSOP-20 package. Each package contains one unit of the IC.

Specifications

• Logic Family: FCT
• Number of Latches: 8
• Input/Output Compatibility: TTL
• Supply Voltage Range: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <10 ns
• Output Drive Capability: ±24 mA

Pin Configuration

The pin configuration of the 74FCT2373CTQG is as follows:

┌───┬───┐ Q0 ─┤1 20├─ VCC Q1 ─┤2 19├─ D7 Q2 ─┤3 18├─ D6 Q3 ─┤4 17├─ D5 Q4 ─┤5 16├─ D4 Q5 ─┤6 15├─ D3 Q6 ─┤7 14├─ D2 Q7 ─┤8 13├─ D1 GND ─┤9 12├─ OE# LE ─┤10 11├─ CLK └─────┘

Functional Features

• Transparent Latching: The 74FCT2373CTQG allows data to pass through when the latch enable (LE) input is high, effectively storing the input data at the outputs.
• Output Enable Control: The output enable (OE#) input controls whether the stored data is available at the outputs or not. When OE# is low, the outputs are active; otherwise, they are in a high-impedance state.
• Clock Input: The clock (CLK) input synchronizes the latching operation, ensuring that data is captured at the desired time.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range provides flexibility in various applications.
• Robust design ensures reliable performance even in challenging environments.

Disadvantages

• Limited number of latches (8) may restrict its use in applications requiring more storage capacity.
• TTL compatibility may limit its integration with systems using different logic families.

Working Principles

The 74FCT2373CTQG operates based on the principle of transparent latching. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the corresponding latch outputs (Q0-Q7). The clock (CLK) input synchronizes this transfer, ensuring that data is captured at the desired time. The output enable (OE#) input controls whether the stored data is available at the outputs or not. When OE# is low, the outputs are active; otherwise, they are in a high-impedance state.

Application Field Plans

The 74FCT2373CTQG can be utilized in various digital systems and applications, including but not limited to: - Data storage and transfer in microprocessors and microcontrollers. - Address decoding in memory systems. - Register storage in communication systems. - Control signal buffering in industrial automation. - State storage in digital signal processing.

Alternative Models

Here are some alternative models that offer similar functionality to the 74FCT2373CTQG: - SN74LS373: