SN74ALVCH162260DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• 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: 16
• Output Drive Capability: ±24mA
• Low Power Consumption: ICC = 4μA (Max)

Detailed Pin Configuration

The SN74ALVCH162260DL has a total of 56 pins, which are distributed as follows:

• Pins 1-8: A1-A8 (Data Inputs/Outputs for Port A)
• Pins 9-16: B1-B8 (Data Inputs/Outputs for Port B)
• Pins 17-24: C1-C8 (Data Inputs/Outputs for Port C)
• Pins 25-32: D1-D8 (Data Inputs/Outputs for Port D)
• Pins 33-40: G1-G8 (Output Enable for Ports A-D)
• Pins 41-48: OEAB, OEBA, OECB, OEDB (Output Enable for Port A/B/C/D)
• Pins 49-56: VCC, GND (Power Supply and Ground)

Functional Features

• Bidirectional Voltage Translation: Allows seamless communication between devices operating at different voltage levels.
• 3-State Outputs: Provides the ability to disconnect the outputs from the bus, allowing multiple devices to share the same bus without interference.
• High-Speed Operation: Supports data rates up to 400MHz, enabling efficient data transfer in high-performance systems.
• Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various digital systems. - High-speed operation enables fast data transfer. - 3-state outputs facilitate bus sharing among multiple devices. - Low power consumption prolongs battery life in portable applications.

Disadvantages: - Limited number of channels (16) may not be sufficient for complex systems requiring more connections. - TSSOP package may be challenging to solder manually due to its small size.

Working Principles

The SN74ALVCH162260DL operates by receiving input signals from one voltage domain (e.g., 1.8V) and translating them to another voltage domain (e.g., 3.3V). It utilizes a combination of level-shifting circuitry and 3-state output buffers to achieve bidirectional voltage translation. The device is controlled by the output enable pins, which allow the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The SN74ALVCH162260DL is commonly used in various digital systems where voltage translation is required. Some typical application fields include:

1. Microcontrollers and Microprocessors: Enables communication between different voltage-level peripherals and the main processing unit.
2. Memory Interfaces: Facilitates data transfer between memory modules operating at different voltage levels.
3. Communication Systems: Allows interfacing between devices with varying voltage requirements, such as UART, SPI, or I2C interfaces.
4. Industrial Automation: Enables signal translation between different voltage domains in control systems and PLCs.
5. Consumer Electronics: Used in devices like smartphones, tablets, and gaming consoles to bridge voltage gaps between different components.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit, bi-directional voltage level translator with 3-state outputs.
2. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
4. CD4050B: Hex non-inverting buffer/converter for translating logic levels.

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALVCH162260DL in various applications.

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