Overview
The SN74CBTD3861PWE4 is a 10-bit FET bus switch with level shifting capabilities, manufactured by Texas Instruments. This component is designed to provide high-speed TTL-compatible bus switching, making it suitable for a variety of applications that require fast and reliable signal switching. The device features a single output-enable (OE) input that controls the connection between the two ports, allowing for efficient and controlled signal management.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | SN74CBTD |
| Package Type | 24-TSSOP (0.173", 4.40mm Width) |
| Number of Channels | 10 |
| Configuration | 1:1 SPST |
| Supply Voltage Range | 4.5 V ~ 5.5 V |
| Operating Temperature Range | -40°C ~ 85°C |
| On-state Resistance (Typ) | 5 Ohms |
| On-state Resistance (Max) | 50 Ohms |
| Input/Output Continuous Current (Max) | 128 mA |
| Input/Output OFF-state Capacitance (Typ) | 4 pF |
| OFF-state Leakage Current (Max) | 1 µA |
| ON-state Leakage Current (Max) | 1 µA |
| Bandwidth | 20 MHz |
| Additional Features | Voltage Level Shifting |
Key Features
- High-speed TTL-compatible bus switching with low on-state resistance, minimizing propagation delay.
- Single output-enable (OE) input to control the switch.
- Integrated diode to VCC for level shifting from 5-V signals at the device inputs to 3.3-V signals at the device outputs.
- TTL-compatible input levels.
- Low OFF-state leakage current and high impedance in the OFF state.
- Operating temperature range of -40°C to 85°C.
Applications
The SN74CBTD3861PWE4 is suitable for various applications requiring high-speed signal switching and level shifting, such as:
- Computer and peripheral interfaces.
- Telecommunications equipment.
- Data acquisition and instrumentation systems.
- High-speed data transmission systems.
- Level shifting in mixed-voltage systems.
Q & A
- What is the primary function of the SN74CBTD3861PWE4?
The primary function is to provide high-speed TTL-compatible bus switching with level shifting capabilities. - How many channels does the SN74CBTD3861PWE4 have?
The device has 10 channels. - What is the supply voltage range for the SN74CBTD3861PWE4?
The supply voltage range is 4.5 V to 5.5 V. - What is the operating temperature range of the SN74CBTD3861PWE4?
The operating temperature range is -40°C to 85°C. - What is the typical on-state resistance of the SN74CBTD3861PWE4?
The typical on-state resistance is 5 Ohms. - Does the SN74CBTD3861PWE4 support level shifting?
Yes, it supports level shifting from 5-V signals at the inputs to 3.3-V signals at the outputs. - What is the maximum bandwidth of the SN74CBTD3861PWE4?
The maximum bandwidth is 20 MHz. - How is the switch controlled in the SN74CBTD3861PWE4?
The switch is controlled by a single output-enable (OE) input. - What is the OFF-state leakage current of the SN74CBTD3861PWE4?
The OFF-state leakage current is 1 µA. - Is the SN74CBTD3861PWE4 RoHS compliant?
Yes, it is RoHS compliant.
