SN74ALVCH16409DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 18-bit universal bus driver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting and buffering for digital signals
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Inputs/Outputs: 18
• Input/Output Type: 3-state non-inverting
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCH16409DL has a total of 56 pins, which are distributed as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input A1)
• Pin 3: B1 (Input B1)
• Pin 4: Y1 (Output Y1)
• Pin 5: A2 (Input A2)
• Pin 6: B2 (Input B2)
• Pin 7: Y2 (Output Y2)
• ...
• Pin 55: Y17 (Output Y17)
• Pin 56: VCC (Supply Voltage)

Functional Features

• Provides voltage level shifting between different logic families
• Supports bidirectional data flow
• Allows connection of devices operating at different voltage levels
• Enables interfacing between low-voltage microcontrollers and higher voltage peripherals
• Offers 3-state outputs for bus sharing applications

Advantages and Disadvantages

Advantages

• High-speed operation
• Wide supply voltage range
• 3-state outputs for bus sharing
• Bidirectional data flow support
• Small package size (TSSOP)

Disadvantages

• Limited number of inputs/outputs (18)
• Not suitable for high-voltage applications

Working Principles

The SN74ALVCH16409DL is designed to shift logic levels between different voltage domains. It utilizes a combination of CMOS technology and level-shifting circuitry to ensure reliable and efficient signal transfer. The device operates by receiving input signals at one voltage level and translating them to the desired output voltage level.

Detailed Application Field Plans

The SN74ALVCH16409DL can be used in various applications, including:

1. Microcontroller interfacing with peripherals operating at different voltage levels
2. Level shifting in communication interfaces (e.g., UART, SPI, I2C)
3. Bus sharing between multiple devices with different voltage requirements
4. Logic level translation in mixed-voltage systems

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit level shifter with 3-state output
2. SN74LVCH245APWR: Octal bus transceiver with 3-state outputs
3. SN74AVC4T245RGYR: Quad-bit level shifter with 3-state output
4. SN74AUP1G07DCKR: Single-buffer gate with open-drain output

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALVCH16409DL in specific applications.

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