SN74ALVTH16601DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Buffer/Driver
• Characteristics: High-speed, Low-voltage, 18-bit Universal Bus Transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides bidirectional level shifting and translation between different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Propagation Delay: 2.8ns (Max)
• Output Drive Strength: ±24mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74ALVTH16601DL has a total of 56 pins, which are divided into various functional groups:

• Group A (Pins 1-9): Data Inputs (D0-D8)
• Group B (Pins 10-18): Data Outputs (Q0-Q8)
• Group C (Pins 19-27): Enable Inputs (G1, G2)
• Group D (Pins 28-36): Control Inputs (OE1, OE2)
• Group E (Pins 37-45): Voltage Supply (VCC, GND)
• Group F (Pins 46-56): Other Control Pins (DIR, OEAB, OEBA)

Functional Features

• Bidirectional data flow between two voltage domains
• Automatic direction control based on DIR pin
• Independent output enable control for each direction
• Supports hot insertion and removal of cards
• 3-state outputs for bus sharing
• Low power consumption

Advantages and Disadvantages

Advantages: - High-speed operation - Wide supply voltage range - ESD protection for robustness - Compact TSSOP package for space-saving designs - Suitable for various applications requiring level shifting

Disadvantages: - Limited number of data bits (18-bit) - Not suitable for high-current applications - May require additional external components for specific use cases

Working Principles

The SN74ALVTH16601DL is designed to provide bidirectional level shifting and translation between different voltage domains. It uses a combination of CMOS and BiCMOS technologies to achieve high-speed operation while maintaining low power consumption.

The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data flows from Group A to Group B. Conversely, when DIR is set to logic low, data flows from Group B to Group A. The output enable pins (OE1, OE2) allow independent control of the output buffers in each direction.

The device supports hot insertion and removal of cards, making it suitable for applications where dynamic connection/disconnection is required. The 3-state outputs enable multiple devices to share a common bus without interference.

Detailed Application Field Plans

The SN74ALVTH16601DL can be used in various applications that require level shifting and translation between different voltage domains. Some potential application fields include:

1. Communication Systems: Interface between different voltage levels in networking equipment, routers, and switches.
2. Industrial Automation: Connect sensors and actuators operating at different voltage levels to a central controller.
3. Automotive Electronics: Enable communication between different subsystems with varying voltage requirements.
4. Consumer Electronics: Interface between low-voltage microcontrollers and higher voltage peripherals such as displays or memory modules.
5. Medical Devices: Connect sensors and monitoring equipment operating at different voltage levels to a central processing unit.

Detailed and Complete Alternative Models

1. SN74ALVTH16601DGGR: Similar specifications, available in TSSOP-56 package.
2. SN74ALVTH16601DLR: Similar specifications, available in QFN-56 package.
3. SN74ALVTH16601DLRQ1: Automotive-grade version with similar specifications, available in QFN-56 package.

These alternative models offer similar functionality and performance but may differ in package type or other minor characteristics.

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