Overview
The SN74CBTD3861DWG4, produced by Texas Instruments, is a 10-bit FET bus switch with level-shifting capabilities. This device is designed to provide high-speed TTL-compatible bus switching, making it ideal for applications requiring fast edge rates and level shifting between different voltage levels. The SN74CBTD3861DWG4 features a low on-state resistance, allowing for minimal propagation delay and efficient connections between two ports. It includes a single output-enable (OE) input that controls the switch, enabling or disabling the connection between the ports.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | -0.5 | 7 | V | |
| Input Voltage Range (VI) | -0.5 | 7 | V | |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C | |
| High-Level Control Input Voltage (VIH) | 2 | V | ||
| Low-Level Control Input Voltage (VIL) | 0.8 | V | ||
| On-State Resistance | 5 | Ω | ||
| Propagation Delay Time (tpd) | 2.5 ns | ns | ||
| Control Input Capacitance (Ci) | 2.5 | pF |
Key Features
- 10-bit FET bus switch with level-shifting capability
- Low on-state resistance of 5 Ω
- TTL-compatible input levels
- Single output-enable (OE) input to control the switch
- Integrated diode to VCC for level shifting from 5-V to 3.3-V signals
- High-speed operation suitable for fast edge rates and high frequencies
- Operating temperature range: -40°C to 85°C
Applications
The SN74CBTD3861DWG4 is suitable for various applications requiring high-speed bus switching and level shifting, such as:
- High-speed data transmission systems
- Level-shifting interfaces between different voltage domains
- Computer peripherals and networking equipment
- Telecommunication devices
- Embedded systems requiring fast and reliable data transfer
Q & A
- What is the primary function of the SN74CBTD3861DWG4?
The primary function is to provide 10-bit FET bus switching with level-shifting capabilities. - What is the operating temperature range of the SN74CBTD3861DWG4?
The operating temperature range is -40°C to 85°C. - What is the on-state resistance of the switch?
The on-state resistance is 5 Ω. - How is the switch controlled?
The switch is controlled by a single output-enable (OE) input. - What type of input levels is the device compatible with?
The device is compatible with TTL-compatible input levels. - What is the purpose of the integrated diode to VCC?
The integrated diode allows for level shifting from 5-V signals at the inputs to 3.3-V signals at the outputs. - What are the typical propagation delay times for this device?
The typical propagation delay time is around 2.5 ns. - What is the recommended operating supply voltage range?
The recommended operating supply voltage range is 4.5 V to 5.5 V. - How should unused control inputs be handled?
Unused control inputs must be held at VCC or GND to ensure proper device operation. - What are some common applications for this device?
Common applications include high-speed data transmission systems, level-shifting interfaces, computer peripherals, and telecommunication devices.
