SN74AVC2T45DCTRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Bi-directional, Dual-bit, Voltage Translation
• Package: DCT (Dual Chip Thin Package)
• Essence: Translates voltage levels between two different logic families
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family Compatibility: LVTTL, LVCMOS, LVDS, CML
• Data Rate: Up to 100 Mbps
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3 pF
• Output Capacitance: 5 pF
• Propagation Delay: 2.8 ns (Max)

Detailed Pin Configuration

The SN74AVC2T45DCTRE4 has a total of 8 pins:

1. A1: Input/Output for Channel A
2. B1: Input/Output for Channel B
3. VCCA: Power Supply for Channel A
4. GND: Ground
5. OE: Output Enable
6. VCCB: Power Supply for Channel B
7. B2: Input/Output for Channel B
8. A2: Input/Output for Channel A

Functional Features

• Bi-directional level shifting between two logic families
• Supports voltage translation from 1.65V to 3.6V
• Low power consumption
• High-speed data transmission up to 100 Mbps
• Wide operating temperature range (-40°C to +85°C)
• ESD protection for robustness

Advantages and Disadvantages

Advantages: - Bi-directional voltage translation simplifies circuit design - Wide supply voltage range allows compatibility with various logic families - High-speed data transmission enables efficient communication - Compact DCT package saves board space - ESD protection enhances reliability

Disadvantages: - Limited to dual-bit level shifting, not suitable for larger data buses - Propagation delay may affect timing-sensitive applications - Requires careful consideration of power supply voltages for proper operation

Working Principles

The SN74AVC2T45DCTRE4 is a level shifter IC that facilitates voltage translation between two different logic families. It operates by monitoring the input signal levels on both channels (A and B) and translating them to the corresponding output levels. The direction of translation is determined by the OE (Output Enable) pin.

When OE is high, the IC is enabled, and the input signals on Channel A are translated to Channel B and vice versa. When OE is low, the IC is disabled, and the outputs are in a high-impedance state.

The IC's internal circuitry ensures bidirectional translation while maintaining signal integrity and minimizing propagation delay.

Detailed Application Field Plans

The SN74AVC2T45DCTRE4 finds applications in various fields where voltage translation between different logic families is required. Some potential application areas include:

1. Microcontrollers: Facilitating communication between microcontrollers operating at different voltage levels.
2. Interface Circuits: Enabling compatibility between devices using different logic families, such as LVTTL, LVCMOS, LVDS, or CML.
3. Data Communication: Level shifting between different data transmission standards, allowing seamless data exchange.
4. Battery-Powered Devices: Efficiently translating voltage levels in portable electronics, extending battery life.

Detailed and Complete Alternative Models

1. SN74LVC2T45DCTRE4: Similar functionality with a lower supply voltage range (1.65V to 3.3V).
2. SN74HCT2T45DCTRE4: Higher voltage translation capability, supporting up to 5.5V supply voltage range.
3. SN74LVCH2T45DCTRE4: Improved speed performance, offering higher data rates up to 400 Mbps.

These alternative models provide options based on specific requirements, such as voltage range, speed, and compatibility with different logic families.

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