SN74ALVCH162334DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver with configurable voltage translation and 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: This IC provides bidirectional voltage level translation between different logic levels, making it suitable for interfacing between devices operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Logic Family: ALVCH
• Number of Bits: 16
• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Levels: Compatible with both TTL and CMOS logic levels
• Output Voltage Levels: Configurable for 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, or 5V operation
• Maximum Data Rate: 400 Mbps
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCH162334DL has a total of 56 pins. The pin configuration is as follows:

• Pins 1-4: VCCA - Power supply voltage for side A
• Pins 5-8: VCCB - Power supply voltage for side B
• Pins 9-24: Side A data input/output pins (D0-D15)
• Pins 25-40: Side B data input/output pins (D0-D15)
• Pins 41-44: OEAB - Output enable for side A to side B
• Pins 45-48: OEBA - Output enable for side B to side A
• Pins 49-52: GND - Ground pins
• Pins 53-56: VREF - Reference voltage for level translation

Functional Features

• Bidirectional voltage level translation between two sides (A and B)
• Configurable output voltage levels for compatibility with different logic families
• 3-state outputs allow multiple devices to share a common bus
• High-speed operation with a maximum data rate of 400 Mbps
• Low-voltage operation, suitable for battery-powered applications
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Provides seamless voltage level translation between different logic families - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing among multiple devices - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited to 16-bit bus width, may not be suitable for larger data buses - TSSOP package may require careful handling during assembly

Working Principles

The SN74ALVCH162334DL utilizes a combination of voltage level shifters and 3-state buffers to achieve bidirectional voltage translation. The input signals from one side (A) are translated to the voltage levels compatible with the other side (B), and vice versa. The output enable pins control the direction of data flow and allow multiple devices to share the same bus without interference.

Detailed Application Field Plans

The SN74ALVCH162334DL is commonly used in various applications that require voltage level translation between different logic families. Some typical application fields include:

1. Microcontroller interfacing with peripheral devices operating at different voltage levels.
2. Communication interfaces between different systems or modules.
3. Mixed-voltage system integration, where components operate at different supply voltages.
4. Battery-powered devices that require low-voltage operation and efficient data transfer.

Detailed and Complete Alternative Models

1. SN74LVC162334: Similar to SN74ALVCH162334DL, but operates at a higher voltage range (1.65V to 3.6V).
2. SN74LVCH162334A: Provides the same functionality as SN74ALVCH162334DL, but comes in a different package (SSOP).

These alternative models offer similar features and can be considered based on specific application requirements.

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