SN74CBTK16245DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Switching and Level Shifting
• Characteristics: High-speed, low-power, bidirectional voltage level translator
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Number of Channels: 16
• Voltage Translation Range: 1.2V to 3.6V
• Maximum Data Rate: 100 Mbps
• Supply Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74CBTK16245DL has a total of 48 pins, divided into two groups:

Group A (pins 1-24)

• VCCA: Power supply for the A-side circuitry
• GND: Ground reference for the A-side circuitry
• OEAB: Output Enable for channels 1-8
• I/O1A-I/O8A: Bidirectional data input/output pins for channels 1-8
• DIR: Direction control input
• OEBA: Output Enable for channels 9-16
• I/O9A-I/O16A: Bidirectional data input/output pins for channels 9-16

Group B (pins 25-48)

• VCCB: Power supply for the B-side circuitry
• GND: Ground reference for the B-side circuitry
• OEBA: Output Enable for channels 17-24
• I/O17B-I/O24B: Bidirectional data input/output pins for channels 17-24
• DIR: Direction control input
• OEAB: Output Enable for channels 25-32
• I/O25B-I/O32B: Bidirectional data input/output pins for channels 25-32

Functional Features

• Bidirectional voltage level translation between two independent voltage domains
• Automatic direction control based on the DIR pin
• Low power consumption and high-speed operation
• Supports a wide range of supply voltages
• ESD protection on all pins

Advantages and Disadvantages

Advantages

• High-speed data transmission up to 100 Mbps
• Wide voltage translation range for compatibility with various systems
• Low power consumption for energy-efficient designs
• ESD protection ensures robustness in harsh environments
• Compact TSSOP package for space-constrained applications

Disadvantages

• Limited number of channels (16)
• Not suitable for high-voltage applications (>3.6V)

Working Principles

The SN74CBTK16245DL is designed to translate signals between two different voltage domains, typically used in mixed-voltage systems. It utilizes a bidirectional voltage level shifting technique to ensure seamless communication between devices operating at different voltage levels.

The direction of signal flow is controlled by the DIR pin. When DIR is set to logic low, data is transferred from the A-side to the B-side. Conversely, when DIR is set to logic high, data flows from the B-side to the A-side. The OEAB and OEBA pins are used to enable or disable the output buffers for each channel.

Detailed Application Field Plans

The SN74CBTK16245DL finds applications in various electronic systems where voltage translation is required. Some common application fields include:

1. Microcontrollers and microprocessors interfacing with peripherals operating at different voltage levels.
2. Communication systems involving multiple voltage domains, such as UART, SPI, or I2C interfaces.
3. Battery-powered devices where low power consumption is crucial, such as portable consumer electronics.
4. Industrial automation systems where different subsystems operate at distinct voltage levels.
5. Automotive electronics for level shifting between automotive-specific voltage domains.

Detailed and Complete Alternative Models

1. SN74CBTK16245DGGR: Similar to SN74CBTK16245DL but offered in a different package (TSSOP-48).
2. SN74CBTK16245DGGT: Similar to SN74CBTK16245DL but offered in a different package (TSSOP-48).
3. SN74CBTK16245DGVR: Similar to SN74CBTK16245DL but offered in a different package (TVSOP-48).

These alternative models provide similar functionality and characteristics but may differ in package type or quantity per reel.

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