Encyclopedia Entry: 74ALVCH16271DLG4

Product Overview

Category

The 74ALVCH16271DLG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of advanced low-voltage CMOS (ALVCH) logic devices.

Use

This IC is primarily used for data storage and transfer applications in digital systems. It serves as a 16-bit buffer/line driver with 3-state outputs, enabling efficient data transmission between different components of a circuit.

Characteristics

• Low-voltage operation: The 74ALVCH16271DLG4 operates at a low voltage range of 1.65V to 3.6V, making it suitable for modern low-power electronic devices.
• High-speed performance: With a maximum propagation delay of only a few nanoseconds, this IC ensures fast and reliable data transfer.
• 3-state outputs: The 74ALVCH16271DLG4 features 3-state outputs, allowing multiple devices to share a common bus without interference.
• ESD protection: This IC incorporates electrostatic discharge (ESD) protection, safeguarding it against potential damage during handling or operation.

Package and Quantity

The 74ALVCH16271DLG4 is available in a surface-mount TSSOP (Thin Shrink Small Outline Package) package. Each package contains one IC.

Specifications

• Logic Family: ALVCH
• Number of Bits: 16
• Supply Voltage Range: 1.65V to 3.6V
• Input/Output Compatibility: TTL, LVTTL
• Maximum Propagation Delay: <5ns
• Output Drive Capability: ±24mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of the 74ALVCH16271DLG4 is as follows:

+-----------------+ OE --|1 48|-- VCC GND --|2 47|-- A1 ALE --|3 46|-- A2 CLK --|4 45|-- A3 D0 --|5 44|-- A4 D1 --|6 43|-- A5 D2 --|7 74ALVCH 42|-- A6 D3 --|8 16271DLG4 41|-- A7 D4 --|9 40|-- A8 D5 --|10 39|-- A9 D6 --|11 38|-- A10 D7 --|12 37|-- A11 D8 --|13 36|-- A12 D9 --|14 35|-- A13 D10 --|15 34|-- A14 D11 --|16 33|-- A15 D12 --|17 32|-- O0 D13 --|18 31|-- O1 D14 --|19 30|-- O2 D15 --|20 29|-- O3 VCC --|21 28|-- O4 GND --|22 27|-- O5 NC --|23 26|-- O6 NC --|24 25|-- O7 +-----------------+

Functional Features

The 74ALVCH16271DLG4 offers the following functional features:

• Data buffering: It provides bidirectional buffering for 16 data lines, ensuring efficient and reliable data transfer between different components of a digital system.
• 3-state outputs: The IC supports 3-state outputs, allowing multiple devices to share a common bus without causing conflicts or signal degradation.
• Output enable control: The OE (Output Enable) pin enables or disables the outputs, providing flexibility in controlling data flow.
• High-speed operation: With its low propagation delay, the IC facilitates high-speed data transmission, making it suitable for time-critical applications.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it compatible with modern low-power electronic devices.
• High-speed performance ensures fast and efficient data transfer.
• 3-state outputs allow for shared bus utilization without interference.
• ESD protection enhances reliability and durability.

Disadvantages

• Limited number of bits (16) may not be sufficient for certain applications requiring larger data widths.
• Surface-mount package may require specialized equipment for soldering and rework.

Working Principles

The 74ALVCH16271DLG4 operates based on CMOS technology, utilizing a combination of NMOS and