Overview
The SN74CB3Q3245RGYR, manufactured by Texas Instruments, is a high-bandwidth FET bus switch designed for low-voltage, high-speed data transfer applications. This 8-bit bus switch is part of the 74CB series and is widely used in digital and analog systems requiring efficient signal routing and isolation. Its compact VQFN20_EP package and surface-mount design make it suitable for space-constrained applications. The device is particularly valued for its low and flat on-resistance, minimal propagation delay, and bidirectional data flow capabilities, making it ideal for broadband communication, networking, and data-intensive computing systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Circuit Configuration | 8 x 1:1 | - | Bidirectional |
| Supply Voltage | 2.3 to 3.6 | V | Single supply |
| Operating Temperature | -40 to +85 | °C | Industrial range |
| On-Resistance (Typical) | 4 | Ω | Flat across voltage range |
| Bandwidth | 500 | MHz | High-speed data transfer |
| Package | VQFN20_EP | - | 20-pin, exposed pad |
| Mounting Type | Surface Mount | - | Suitable for PCB assembly |
| RoHS Compliance | Yes | - | Lead-free and environmentally friendly |
Key Features
- High-bandwidth data path (up to 500 MHz) for fast signal switching.
- Low and flat on-resistance (Ron = 4 Ω typical) ensuring minimal signal distortion.
- Bidirectional data flow with near-zero propagation delay.
- Supports rail-to-rail switching on data I/O ports.
- Low input/output capacitance (Cio(OFF) = 3.5 pF typical) to minimize signal load.
- Wide operating voltage range (2.3V to 3.6V) for versatile applications.
- Ioff circuitry for partial power-down mode operation.
- ESD protection up to 2000V (HBM) and 1000V (CDM) for enhanced reliability.
Applications
The SN74CB3Q3245RGYR is widely used in applications requiring efficient signal routing and isolation. Key application areas include:
- Broadband Communication: Ideal for high-speed data transfer in communication systems.
- Networking: Used in network switches and routers for signal management.
- Data-Intensive Computing: Supports high-bandwidth data transfer in computing systems.
- Industrial Automation: Provides reliable signal switching in industrial control systems.
- Consumer Electronics: Suitable for compact, high-performance electronic devices.
Q & A
1. What is the operating voltage range of SN74CB3Q3245RGYR?
The operating voltage range is 2.3V to 3.6V.
2. What is the typical on-resistance of this device?
The typical on-resistance is 4 Ω.
3. Is the SN74CB3Q3245RGYR RoHS compliant?
Yes, it is RoHS compliant and lead-free.
4. What is the bandwidth of this bus switch?
The bandwidth is up to 500 MHz.
5. Can this device support bidirectional data flow?
Yes, it supports bidirectional data flow with minimal propagation delay.
6. What is the package type of SN74CB3Q3245RGYR?
It comes in a 20-pin VQFN_EP package.
7. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
8. Does this device support partial power-down mode?
Yes, it includes Ioff circuitry for partial power-down mode operation.
9. What are the key applications of this device?
Key applications include broadband communication, networking, and data-intensive computing.
10. Is the SN74CB3Q3245RGYR suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its reliability and performance.
