SN74LVT240ADBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, Bi-directional, Octal Bus Transceiver
• Package: SSOP (Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.0V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.4V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 200MHz
• Number of Pins: 20
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVT240ADBR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Input/Output) 1
3. I/O1 (Bi-directional Data I/O) 1
4. GND (Ground)
5. I/O2 (Bi-directional Data I/O) 2
6. A2 (Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bi-directional Data I/O) 3
10. A3 (Input/Output) 3
11. I/O4 (Bi-directional Data I/O) 4
12. GND (Ground)
13. I/O5 (Bi-directional Data I/O) 5
14. A4 (Input/Output) 4
15. OE (Output Enable) 3
16. VCC (Supply Voltage)
17. I/O6 (Bi-directional Data I/O) 6
18. A5 (Input/Output) 5
19. I/O7 (Bi-directional Data I/O) 7
20. I/O8 (Bi-directional Data I/O) 8

Functional Features

• Bi-directional voltage level translation between two different voltage domains.
• Allows interfacing between devices operating at different voltage levels.
• Provides bidirectional communication between systems with different voltage requirements.
• Supports high-speed data transmission up to 200MHz.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Bi-directional functionality simplifies circuit design and reduces component count.
• High-speed operation enables efficient data transfer.
• Small package size saves board space.

Disadvantages

• Limited number of channels (8) may not be sufficient for complex systems requiring more connections.
• Not suitable for applications requiring voltage translation beyond the specified voltage range.

Working Principles

The SN74LVT240ADBR is a logic level translator that uses a combination of MOSFETs and CMOS technology to achieve bi-directional voltage translation. It operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the supply voltage. The OE pins control the direction of data flow, enabling or disabling the translation process.

Detailed Application Field Plans

The SN74LVT240ADBR is commonly used in various electronic systems where voltage level translation is required. Some typical application fields include:

1. Microcontroller interfacing with peripherals operating at different voltage levels.
2. Communication interfaces between different logic families (e.g., TTL to CMOS).
3. Level shifting in battery-powered devices with low voltage requirements.
4. Signal translation between different integrated circuits within a system.

Detailed and Complete Alternative Models

1. SN74LVC240ADBR: Similar to SN74LVT240ADBR, but operates at a lower voltage range (1.65V to 3.3V).
2. SN74LVTH240ADBR: Offers higher speed operation (up to 400MHz) compared to SN74LVT240ADBR.
3. SN74AVC4T245PW: Four-channel voltage level translator with enhanced ESD protection features.

These alternative models provide similar functionality to the SN74LVT240ADBR but may have different specifications or additional features depending on the specific application requirements.

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