SN74CBTD3306PWG4

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Bus Switch
• Characteristics: Bi-directional voltage level translator with integrated bus switch
• Package: TSSOP-20
• Essence: Provides bidirectional voltage translation between different logic levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Range: 1.2V to 3.6V
• High-Speed Operation: Up to 100 MHz
• Low ON-State Resistance: 5 Ohms (typical)
• Low Power Consumption: 10µA (typical)

Detailed Pin Configuration

The SN74CBTD3306PWG4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active low output enable input
2. A1 - Control input for channel A
3. B1 - Control input for channel B
4. VCCA - Channel A supply voltage
5. GND - Ground
6. B2 - Control input for channel B
7. A2 - Control input for channel A
8. OE (Output Enable) - Active low output enable input
9. I/OB1 - Bidirectional data I/O for channel B
10. I/OB2 - Bidirectional data I/O for channel B
11. VCCB - Channel B supply voltage
12. GND - Ground
13. I/OA2 - Bidirectional data I/O for channel A
14. I/OA1 - Bidirectional data I/O for channel A
15. OE (Output Enable) - Active low output enable input
16. B3 - Control input for channel B
17. A3 - Control input for channel A
18. VCCA - Channel A supply voltage
19. GND - Ground
20. B4 - Control input for channel B

Functional Features

• Bidirectional voltage level translation between different logic levels
• Integrated bus switch for connecting or isolating the input/output lines
• Active low output enable control for each channel
• Low ON-state resistance for minimal signal distortion
• High-speed operation suitable for applications up to 100 MHz
• Low power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages: - Provides seamless voltage translation between different logic levels - Integrated bus switch simplifies circuit design - Low ON-state resistance ensures minimal signal loss - High-speed operation enables fast data transfer - Low power consumption for energy-efficient applications

Disadvantages: - Limited supply voltage range (1.65V to 3.6V) - Requires careful consideration of input/output voltage levels

Working Principles

The SN74CBTD3306PWG4 is designed to translate voltage levels between two different logic families. It utilizes a bidirectional voltage level translator along with an integrated bus switch. The device operates by monitoring the control inputs (A1, A2, A3, B1, B2, B3) to determine the desired direction of data flow. When enabled, the appropriate channel connects the input/output lines, allowing bidirectional communication between the two logic levels. The active low output enable (OE) control further enhances the flexibility of the device.

Detailed Application Field Plans

The SN74CBTD3306PWG4 finds applications in various fields where voltage level translation and bus switching are required. Some potential application areas include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different logic levels, enabling seamless communication between them.
2. Mixed voltage systems: It can be employed in systems where different components operate at distinct voltage levels, ensuring proper signal compatibility.
3. Communication interfaces: The device can facilitate voltage translation and bus switching in communication interfaces such as UART, SPI, or I2C, allowing interoperability between devices with varying logic levels.
4. Battery-powered devices: With its low power consumption, the IC is suitable for battery-powered applications that require efficient voltage level translation.

Detailed and Complete Alternative Models

1. SN74CBTD3306CDBQR: Similar functionality but available in a smaller package (SSOP-20)
2. SN74LVC1T45DCKR: Unidirectional voltage level translator with integrated bus switch
3. SN74AVC4T245PWG4: Quad-bit bidirectional voltage level translator with integrated bus switch
4. SN74LVCH245APWR: Octal-bit bidirectional voltage level translator with 3-state outputs

These alternative models offer similar features and functionality to the SN74CBTD3306PWG4, providing options based on specific design requirements.

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