SN74ALVTH16601VR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 18-bit universal bus transceiver with 3-state outputs
• Package: 56-pin Very Thin Quad Flat Package (VQFN)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Channels: 18
• Input/Output Type: CMOS/TTL compatible
• Output Drive Strength: ±24mA
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVTH16601VR has a total of 56 pins. The pin configuration is as follows:

1. OE1 (Output Enable Input 1)
2. A1-A18 (Data Inputs/Outputs)
3. B1-B18 (Data Inputs/Outputs)
4. GND (Ground)
5. VCC (Power Supply)
6. OE2 (Output Enable Input 2)
7. Y1-Y18 (Data Outputs)
8. Z1-Z18 (Data Outputs)

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• Bidirectional voltage level translation between two independent buses
• Supports mixed-mode signal operation on all data I/Os
• 3-state outputs allow multiple devices to share the same bus
• Provides non-inverting level shifting with no direction control required
• Supports hot insertion and removal of modules

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Wide supply voltage range enables compatibility with various systems - 3-state outputs facilitate bus sharing among multiple devices - Non-inverting level shifting simplifies system design

Disadvantages: - Limited number of channels (18 in this case) - Propagation delay may affect timing-sensitive applications - Requires careful consideration of voltage compatibility between input and output buses

Working Principles

The SN74ALVTH16601VR utilizes a combination of CMOS and TTL logic to perform bidirectional voltage level translation. It employs a voltage divider network and MOSFET switches to shift the logic levels between two independent buses. The direction of translation is determined by the state of the control inputs (OE1 and OE2). When the control inputs are active, the device translates signals from one bus to the other, allowing seamless communication between systems operating at different voltage levels.

Detailed Application Field Plans

The SN74ALVTH16601VR finds application in various digital systems where voltage level translation is required. Some specific use cases include:

1. Microcontroller interfacing with peripherals operating at different voltage levels.
2. Communication interfaces between different logic families (e.g., CMOS and TTL).
3. Level shifting in battery-powered portable devices with low-voltage requirements.
4. Signal translation in mixed-mode signal processing systems.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit voltage level translator with 3-state output.
2. SN74AVC4T245: Quad-bit voltage level translator with 3-state output.
3. SN74HCT125: Quad-bit non-inverting buffer/translator with 3-state output.

(Note: These are just a few examples; there are several alternative models available in the market.)

This entry provides a comprehensive overview of the SN74ALVTH16601VR, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.