Encyclopedia Entry: 74LCX162373MTDX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: Low-voltage, high-speed, 16-bit transparent latch with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74LCX162373MTDX is a versatile IC that enables efficient data storage and transfer in various electronic devices.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Number of Bits: 16
• Logic Family: LCX
• Voltage Supply Range: 2.0V to 3.6V
• Input/Output Type: Tri-state
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.5 ns (max)
• Output Current: ±24 mA (max)

Detailed Pin Configuration

The 74LCX162373MTDX has a total of 48 pins, which are divided into four groups:

Group A (Pins 1-12)

• Pin 1: Output Enable (OE)
• Pins 2-9: Data Inputs (D0-D7)
• Pins 10-12: Ground (GND)

Group B (Pins 13-24)

• Pins 13-20: Data Inputs (D8-D15)
• Pins 21-24: VCC (Power Supply)

Group C (Pins 25-36)

• Pins 25-32: Data Outputs (Q0-Q7)
• Pins 33-36: Output Enable (OE)

Group D (Pins 37-48)

• Pins 37-44: Data Outputs (Q8-Q15)
• Pins 45-48: Ground (GND)

Functional Features

• Latch Function: The IC can store and hold data on its inputs until a latch enable signal is received.
• Transparent Mode: When the latch enable signal is active, the input data is transferred to the outputs in real-time.
• Tri-State Outputs: The outputs can be put into a high-impedance state, allowing multiple devices to share a common bus without interference.
• Low-Voltage Operation: The IC operates at low voltages, making it suitable for battery-powered devices.
• High-Speed Operation: With a maximum propagation delay of 4.5 ns, the IC enables fast data transfer.

Advantages and Disadvantages

Advantages

• Low-voltage operation extends battery life in portable devices.
• High-speed operation allows for efficient data transfer.
• Tri-state outputs facilitate bus sharing among multiple devices.
• Compact TSSOP package saves board space.

Disadvantages

• Limited voltage supply range (2.0V to 3.6V).
• Propagation delay may affect timing-sensitive applications.

Working Principles

The 74LCX162373MTDX operates based on the principles of digital logic circuits. It consists of latches that can store data and tri-state buffers that control the flow of data between inputs and outputs. When the latch enable signal is active, the input data is transferred to the outputs in real-time. The tri-state outputs allow the IC to disconnect from the bus when not in use, preventing conflicts with other devices.

Detailed Application Field Plans

The 74LCX162373MTDX finds applications in various electronic systems, including:

1. Microcontrollers: Used for interfacing microcontrollers with external memory or peripherals.
2. Communication Systems: Facilitates data transfer between different components in communication systems.
3. Industrial Automation: Enables efficient data storage and transfer in industrial automation equipment.
4. Consumer Electronics: Used in devices such as smartphones, tablets, and gaming consoles for data management.

Detailed and Complete Alternative Models

1. 74HC373: Similar functionality but operates at a higher voltage range (2.0V to 6.0V).
2. 74ACT373: Faster propagation delay (3.5 ns) but requires a higher voltage supply (4.5V to 5.5V).
3. 74F373: Offers faster operation (3.0 ns) but consumes more power.

(Note: The above alternative models are just a few examples; there are several other alternatives available in the market.)

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