SN74CB3T3245PWRE4
Product Overview
- Category: Integrated Circuit
- Use: Level Shifter and Bus Switch
- Characteristics: High-speed, low-power, bidirectional voltage level translator
- Package: TSSOP (Thin Shrink Small Outline Package)
- Essence: Translates signals between different voltage levels in electronic circuits
- Packaging/Quantity: Tape and Reel, 2500 pieces per reel
Specifications
- Supply Voltage Range: 1.65V to 3.6V
- Input Voltage Range: 0V to VCC
- Output Voltage Range: 0V to VCC
- Maximum Operating Frequency: 400 MHz
- Number of Channels: 8
- On-State Resistance: 5 Ohms (typical)
Detailed Pin Configuration
The SN74CB3T3245PWRE4 has a total of 24 pins, which are divided into three groups:
Group A (Input/Output Pins)
- Pin 1: Channel 1 Input/Output
- Pin 2: Channel 2 Input/Output
- Pin 3: Channel 3 Input/Output
- Pin 4: Channel 4 Input/Output
- Pin 5: Channel 5 Input/Output
- Pin 6: Channel 6 Input/Output
- Pin 7: Channel 7 Input/Output
- Pin 8: Channel 8 Input/Output
Group B (Control Pins)
- Pin 9: OE (Output Enable) Control Input
- Pin 10: GND (Ground)
- Pin 11: VCC (Supply Voltage)
- Pin 12: OE (Output Enable) Control Input
Group C (Voltage Translation Pins)
- Pin 13: VCCA (Channel Side 1 Supply Voltage)
- Pin 14: VCCB (Channel Side 2 Supply Voltage)
- Pin 15: GND (Ground)
- Pin 16: VCCA (Channel Side 1 Supply Voltage)
- Pin 17: VCCB (Channel Side 2 Supply Voltage)
- Pin 18: GND (Ground)
Functional Features
- Bidirectional voltage level translation between two different voltage domains
- Automatic direction sensing and control
- Low power consumption
- High-speed operation
- ESD (Electrostatic Discharge) protection on all pins
Advantages and Disadvantages
Advantages
- Wide supply voltage range allows compatibility with various systems
- High-speed operation enables efficient data transfer
- Automatic direction sensing simplifies circuit design
- ESD protection ensures reliability in harsh environments
Disadvantages
- Limited number of channels (8 channels)
- On-state resistance may introduce signal attenuation in certain applications
Working Principles
The SN74CB3T3245PWRE4 is a bidirectional voltage level translator that operates by using a combination of MOSFETs and control logic. It can translate signals between two different voltage domains, allowing communication between devices operating at different voltage levels. The device automatically senses the direction of the signal and controls the flow accordingly.
Detailed Application Field Plans
The SN74CB3T3245PWRE4 is commonly used in various electronic systems where voltage level translation is required. Some specific application fields include:
- Microcontroller interfacing with peripherals operating at different voltage levels
- Communication interfaces between different logic families (e.g., TTL to CMOS)
- Level shifting in battery-powered devices with multiple voltage domains
- Bus switching in multiplexed data transmission systems
Detailed and Complete Alternative Models
- SN74LVC4245APW - 8-bit dual-supply bus transceiver
- SN74AVC4T245PW - 4-bit dual-supply bus transceiver with configurable voltage translation
- SN74LVC8T245PW - 8-bit dual-supply bus transceiver with configurable voltage translation
These alternative models offer similar functionality and can be used as substitutes for the SN74CB3T3245PWRE4 in various applications.
In conclusion, the SN74CB3T3245PWRE4 is a high-speed, low-power, bidirectional voltage level translator integrated circuit. It provides a reliable solution for translating signals between different voltage domains in electronic systems. With its automatic direction sensing, wide supply voltage range, and ESD protection, it offers several advantages for efficient and robust signal transmission. However, it has limitations in terms of the number of channels and on-state resistance. The device finds applications in microcontroller interfacing, logic level shifting, and bus switching, among others. Alternative models such as the SN74LVC4245APW, SN74AVC4T245PW, and SN74LVC8T245PW can be considered as substitutes for specific requirements.
Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät SN74CB3T3245PWRE4 :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of SN74CB3T3245PWRE4 in technical solutions:
Q: What is SN74CB3T3245PWRE4? A: SN74CB3T3245PWRE4 is a high-speed, low-power, 8-bit bidirectional voltage level translator with 3-state outputs.
Q: What is the voltage range supported by SN74CB3T3245PWRE4? A: SN74CB3T3245PWRE4 supports voltage translation from 1.2V to 3.6V on the A-side and 1.65V to 5.5V on the B-side.
Q: Can SN74CB3T3245PWRE4 be used for level shifting between different logic families? A: Yes, SN74CB3T3245PWRE4 can be used for level shifting between various logic families such as CMOS, TTL, and LVCMOS.
Q: What is the maximum data rate supported by SN74CB3T3245PWRE4? A: SN74CB3T3245PWRE4 supports data rates up to 400 Mbps.
Q: How many channels does SN74CB3T3245PWRE4 have? A: SN74CB3T3245PWRE4 has 8 bidirectional channels.
Q: Can SN74CB3T3245PWRE4 be used for hot-swapping applications? A: Yes, SN74CB3T3245PWRE4 supports hot-swapping, making it suitable for applications where devices need to be inserted or removed while the system is powered.
Q: Does SN74CB3T3245PWRE4 have built-in ESD protection? A: Yes, SN74CB3T3245PWRE4 has built-in ESD protection, ensuring robustness against electrostatic discharge events.
Q: What is the power supply voltage range for SN74CB3T3245PWRE4? A: SN74CB3T3245PWRE4 operates with a power supply voltage range of 1.65V to 5.5V.
Q: Can SN74CB3T3245PWRE4 be used in both digital and analog applications? A: Yes, SN74CB3T3245PWRE4 can be used in both digital and analog applications, making it versatile for various system designs.
Q: Is SN74CB3T3245PWRE4 available in different package options? A: Yes, SN74CB3T3245PWRE4 is available in different package options, such as TSSOP and VQFN, providing flexibility for different PCB layouts and space constraints.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.