The SN74CB3T16210DGGR is a specific part number for a 20-bit dual-supply bus switch IC (Integrated Circuit) manufactured by Texas Instruments. This IC is designed for digital logic applications where bi-directional bus switching is required between two different voltage domains.
Key Features:
- 20-Bit Dual-Supply Bus Switch: The IC typically includes 20 bidirectional switches, allowing for the switching of 20 individual signals or a 20-bit data bus.
- Dual Supply Voltage Compatibility: It can operate with two different supply voltage levels (VCCA and VCCB), making it suitable for interfacing between components or subsystems operating at different voltage levels.
- Bidirectional Bus Switching: This IC can switch signals bidirectionally, allowing data to flow in both directions between the input and output buses.
- Low On-Resistance: The IC typically features low on-resistance, ensuring minimal signal attenuation when switching.
- 3-State Outputs: It provides 3-state outputs, allowing you to control whether the outputs are actively driving signals or in a high-impedance state.
- Wide Voltage Range: The IC can handle a wide voltage range, typically from 1.65V to 5.5V, making it versatile for various voltage levels.
Applications:
The SN74CB3T16210DGGR and similar bus switch ICs are used in various digital logic applications, including:
- Bus Switching: They are primarily used for switching digital data or address buses between different subsystems or components within a system.
- Level Translation: Bus switches can be used to perform level translation between different voltage domains, ensuring compatibility between components.
- Data Buffering: They can serve as data buffers to isolate and control the flow of data within a system.
- Memory Interfacing: These ICs are used in memory interfaces to control the connection between a microcontroller and memory devices.
- Hot Swapping: In systems that support hot swapping or hot plugging of components, bus switches can be used to manage the connection and disconnection of devices.
- Low-Voltage and Mixed-Voltage Applications: Their wide voltage range and compatibility with low-voltage supplies make them suitable for various applications, including those requiring low power and mixed-voltage levels.
