The Texas Instruments SN74CBT3383CDBQR is a high-speed, low-voltage CMOS (Complementary Metal-Oxide-Semiconductor) multiplexer/demultiplexer designed for high-performance digital signal routing. It is particularly suited for applications where signal integrity and speed are critical. Below is a comprehensive overview of the SN74CBT3383CDBQR, including its specifications and features:
## 1. General Information:
- Manufacturer: Texas Instruments
- Part Number: SN74CBT3383CDBQR
- Type: 8-Channel Multiplexer/Demultiplexer
- Package Type: 20-Pin TSSOP (Thin Shrink Small Outline Package)
## 2. Electrical Specifications:
- Supply Voltage (VCC): 2.3V to 3.6V
- Logic Levels:
- High-Level Input Voltage (VIH): 0.7 × VCC (minimum)
- Low-Level Input Voltage (VIL): 0.3 × VCC (maximum)
- High-Level Output Voltage (VOH): VCC - 0.1V (typical at I_OH = -4 mA)
- Low-Level Output Voltage (VOL): 0.1V (typical at I_OL = 4 mA)
- Input Leakage Current (I_L): ±1 µA (maximum)
- Output Leakage Current (I_O): ±1 µA (maximum)
- Switching Characteristics:
- Propagation Delay (t_PD): 3.5 ns (typical at VCC = 3.3V)
- Transition Time (t_T): 2.5 ns (typical)
## 3. Performance Characteristics:
- Bandwidth: High-speed operation suitable for signals up to 100 MHz
- Crosstalk: Minimal crosstalk due to CMOS technology, which reduces interference between channels
- On-Resistance (RON): 5 Ω (typical), providing low resistance paths and minimal signal degradation
## 4. Features:
- Multiplexer/Demultiplexer Functionality: The device can be configured as either a multiplexer (selecting one of several inputs to be routed to a single output) or a demultiplexer (routing a single input to one of several outputs).
- Bidirectional Data Path: Supports bidirectional signal flow, allowing for flexible signal routing.
- Low Power Consumption: Operates with low power consumption, enhancing energy efficiency in portable and battery-operated applications.
- High Noise Immunity: CMOS technology provides high noise immunity and reliability.
- Fast Switching Speed: High-speed switching capabilities for efficient signal processing.
## 5. Application Areas:
- Data Routing: Ideal for use in data communication systems where multiple data paths need to be selected or switched.
- Signal Multiplexing: Suitable for applications requiring multiplexing of signals in consumer electronics and digital systems.
- Communication Systems: Used in telecom and networking equipment to route signals with minimal delay and signal degradation.
- Industrial Automation: Applied in industrial control systems for efficient signal routing and switching.
## 6. Compliance and Standards:
- RoHS Compliant: Yes, adhering to the Restriction of Hazardous Substances directive.
- Lead-Free: Designed to meet lead-free soldering requirements for modern manufacturing processes.
## 7. Pin Configuration and Function:
- Pin Count: 20 pins
- Pinout Description: Includes input, output, and control pins for selecting channels and routing signals.
## 8. Thermal and Physical Characteristics:
- Operating Temperature Range: -40°C to +125°C (industrial grade)
- Storage Temperature Range: -65°C to +150°C
## 9. Electrical Characteristics Table:
| Parameter | Value | Conditions |
|----------------------------------|---------------|--------------------------------|
| Supply Voltage (VCC) | 2.3V to 3.6V | |
| High-Level Input Voltage (VIH)| 0.7 × VCC | |
| Low-Level Input Voltage (VIL) | 0.3 × VCC | |
| High-Level Output Voltage (VOH) | VCC - 0.1V | Typical at I_OH = -4 mA |
| Low-Level Output Voltage (VOL) | 0.1V | Typical at I_OL = 4 mA |
| Input Leakage Current (I_L) | ±1 µA | Maximum |
| Output Leakage Current (I_O) | ±1 µA | Maximum |
| Propagation Delay (t_PD) | 3.5 ns | Typical at VCC = 3.3V |
| Transition Time (t_T) | 2.5 ns | Typical |
| On-Resistance (RON) | 5 Ω | Typical |
The Texas Instruments SN74CBT3383CDBQR is a versatile and high-performance multiplexer/demultiplexer that offers fast switching, low power consumption, and high noise immunity. Its wide voltage range and bidirectional capability make it suitable for a variety of high-speed digital signal routing applications.