Encyclopedia Entry: 74VCX16838MTD

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, bidirectional translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Efficient logic level translation with minimal power consumption
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V
• Number of Inputs/Outputs: 20
• Input/Output Type: CMOS (Complementary Metal-Oxide-Semiconductor)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VCX16838MTD IC has a total of 56 pins, which are distributed as follows: - Pins 1-10: Input/Output (I/O) pins for Port A - Pins 11-20: I/O pins for Port B - Pins 21-30: I/O pins for Port C - Pins 31-40: I/O pins for Port D - Pins 41-50: Power supply and ground pins - Pins 51-56: No connection (NC) pins

Functional Features

• Bidirectional Translation: Allows seamless translation of logic levels between different voltage domains.
• High-Speed Operation: Supports fast data transmission rates, making it suitable for high-performance applications.
• Low-Voltage Operation: Works efficiently with low-voltage power supplies, reducing power consumption.
• ESD Protection: Incorporates Electrostatic Discharge (ESD) protection circuitry to safeguard against damage.

Advantages and Disadvantages

Advantages: - Efficient logic level translation between different voltage domains. - High-speed operation enables fast data transmission. - Low-voltage operation reduces power consumption. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited to specific logic voltage levels (1.2V, 1.5V, 1.8V, 2.5V, and 3.3V). - May not be suitable for applications requiring translation between non-standard voltage levels.

Working Principles

The 74VCX16838MTD utilizes a combination of CMOS technology and level-shifting circuitry to achieve bidirectional logic level translation. It employs a voltage divider network and MOSFET-based switches to ensure seamless translation between different voltage domains while maintaining signal integrity.

Detailed Application Field Plans

The 74VCX16838MTD is commonly used in various applications that require logic level translation, such as: - Microcontrollers interfacing with different voltage peripherals. - Communication systems involving multiple logic voltage domains. - Battery-powered devices where low-voltage operation is crucial. - Industrial automation systems requiring reliable data transfer between different voltage levels.

Alternative Models

• 74LVC245: Offers similar bidirectional logic level translation but operates at higher voltage levels (up to 5V).
• SN74LV1T34: Provides unidirectional logic level translation in a smaller package size.
• TXB0104: Supports bidirectional translation with voltage-level shifting capabilities up to 10V.

Note: The above alternatives are just a few examples; there are numerous other ICs available in the market that offer logic level translation functionality.

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