Overview
The SN74CB3Q3253PWRG4, manufactured by Texas Instruments, is a dual 4:1 FET multiplexer/demultiplexer IC designed for high-speed signal switching applications. This device belongs to the 74CB series and is housed in a compact 16-TSSOP package, making it suitable for surface-mount technology (SMT) applications. It operates within a voltage range of 2.3 V to 3.6 V and supports a wide temperature range of -40°C to 85°C. The SN74CB3Q3253PWRG4 is ideal for applications requiring low power consumption, high bandwidth, and reliable signal routing, such as in communication systems, data acquisition, and industrial automation.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Type | FET Multiplexer/Demultiplexer | - | Dual 4:1 configuration |
| Circuit | 2 x 1:4 | - | - |
| Independent Circuits | 1 | - | - |
| Output Current (High/Low) | 15mA / 30mA | mA | - |
| Supply Voltage | 2.3 - 3.6 | V | Single supply |
| Operating Temperature | -40 to 85 | °C | - |
| Package | 16-TSSOP | - | 4.40mm width |
| Mounting Type | Surface Mount | - | - |
Key Features
- High bandwidth data path up to 500 MHz.
- Low on-state resistance (RON) of 4 Ω typical.
- Supports rail-to-rail switching on data I/O ports.
- Bidirectional data flow with near-zero propagation delay.
- Low input/output capacitance minimizes signal distortion.
- Fast switching frequency with a maximum of 20 MHz.
- Undershoot clamp diodes on data and control inputs.
- Low power consumption with ICC typical of 0.6 mA.
- Compatible with TTL and 5V/3.3V CMOS control inputs.
- Ioff feature supports partial power-down mode.
Applications
The SN74CB3Q3253PWRG4 is widely used in various applications, including:
- Communication Systems: Signal routing and switching in high-speed data transmission.
- Data Acquisition: Multiplexing analog and digital signals in measurement systems.
- Industrial Automation: Control signal routing in PLCs and industrial controllers.
- Consumer Electronics: Interface switching in audio/video equipment.
- Automotive Electronics: Signal management in infotainment and control systems.
Q & A
1. What is the operating voltage range of the SN74CB3Q3253PWRG4?
The operating voltage range is 2.3 V to 3.6 V.
2. What is the typical on-state resistance (RON) of this device?
The typical RON is 4 Ω.
3. Does the SN74CB3Q3253PWRG4 support bidirectional data flow?
Yes, it supports bidirectional data flow with near-zero propagation delay.
4. What is the maximum switching frequency of this IC?
The maximum switching frequency is 20 MHz.
5. Is this device compatible with TTL control inputs?
Yes, it is compatible with TTL and 5V/3.3V CMOS control inputs.
6. What is the package type of the SN74CB3Q3253PWRG4?
It is available in a 16-TSSOP package.
7. Can this IC operate in partial power-down mode?
Yes, the Ioff feature supports partial power-down mode.
8. What is the temperature range for operation?
The operating temperature range is -40°C to 85°C.
9. What are the typical applications of this device?
Typical applications include communication systems, data acquisition, and industrial automation.
10. Does the SN74CB3Q3253PWRG4 support rail-to-rail switching?
Yes, it supports rail-to-rail switching on data I/O ports.
