Encyclopedia Entry: 74FST3244DWR2

Product Overview

Category

The 74FST3244DWR2 belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus switches.

Use

This product is primarily used for signal switching in electronic circuits. It allows multiple input/output lines to be connected or disconnected simultaneously, enabling efficient data transfer between different components of a circuit.

Characteristics

• High-speed switching capability
• Low power consumption
• Wide operating voltage range
• Compact package size
• RoHS compliant

Package and Quantity

The 74FST3244DWR2 is available in a small outline integrated circuit (SOIC) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 8
• On-State Resistance: 5Ω (typical)
• Maximum Input/Output Voltage: 5.5V

Pin Configuration

The pin configuration of the 74FST3244DWR2 is as follows:

```

---

| | --|1 20|-- VCC --|2 19|-- A0 --|3 18|-- A1 --|4 17|-- A2 --|5 16|-- OE# --|6 15|-- B7 --|7 14|-- B6 --|8 13|-- B5 --|9 12|-- B4 --|10 11|-- GND |___________| ```

Functional Features

• Bidirectional signal transmission
• Non-inverting outputs
• Output enable control for easy system integration
• Low input/output capacitance for minimal signal distortion

Advantages

• High-speed switching allows for efficient data transfer
• Wide operating voltage range enables compatibility with various systems
• Compact package size saves board space
• RoHS compliance ensures environmental friendliness

Disadvantages

• Relatively high on-state resistance may introduce signal attenuation
• Limited number of channels may restrict certain applications

Working Principles

The 74FST3244DWR2 utilizes MOSFET-based switches to control the flow of signals. When the output enable (OE#) pin is active, the IC connects the input lines (A0-A2) to the corresponding output lines (B4-B7). When the OE# pin is inactive, the IC isolates the input and output lines.

Application Field Plans

The 74FST3244DWR2 finds extensive use in various electronic systems, including: 1. Data communication equipment 2. Computer peripherals 3. Industrial automation 4. Test and measurement instruments 5. Consumer electronics

Alternative Models

Other alternative models that can be used as substitutes for the 74FST3244DWR2 include: - SN74CBT3257C - NC7SB3257 - PI5C3257

These models offer similar functionality and can be chosen based on specific application requirements.

In conclusion, the 74FST3244DWR2 is a versatile bus switch IC that provides efficient signal switching capabilities. Its high-speed operation, low power consumption, and compact package make it suitable for a wide range of applications in the field of electronics.

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