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74HC640DB,118
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Logic Level Translator
- Characteristics: High-speed operation, low power consumption
- Package: SSOP (Shrink Small Outline Package)
- Essence: Octal bus transceiver with 3-state outputs
- Packaging/Quantity: Tape and reel, 2500 units per reel
Specifications
- Supply Voltage Range: 2.0V to 6.0V
- Input Voltage Range: -0.5V to VCC + 0.5V
- Output Voltage Range: -0.5V to VCC + 0.5V
- Operating Temperature Range: -40°C to +125°C
- Propagation Delay Time: 7 ns (typical)
- Output Current: ±6 mA
Detailed Pin Configuration
The 74HC640DB,118 IC has a total of 20 pins. The pin configuration is as follows:
- OE (Output Enable) 1
- A1 (Input/Output) 1
- B1 (Input/Output) 1
- A2 (Input/Output) 1
- B2 (Input/Output) 1
- A3 (Input/Output) 1
- B3 (Input/Output) 1
- GND (Ground)
- B4 (Input/Output) 1
- A4 (Input/Output) 1
- B5 (Input/Output) 1
- A5 (Input/Output) 1
- B6 (Input/Output) 1
- A6 (Input/Output) 1
- B7 (Input/Output) 1
- A7 (Input/Output) 1
- VCC (Supply Voltage)
- B8 (Input/Output) 1
- A8 (Input/Output) 1
- OE (Output Enable) 2
Functional Features
- Octal bus transceiver with 3-state outputs
- Bidirectional data transfer between two independent buses
- Non-inverting outputs for easy cascading
- Output enable input for disabling the outputs
- High-speed operation allows for efficient data transmission
- Low power consumption for energy efficiency
Advantages and Disadvantages
Advantages: - Allows bidirectional data transfer between different voltage level systems - Non-inverting outputs simplify cascading of multiple devices - High-speed operation enables quick data transmission
Disadvantages: - Limited output current capacity - Requires careful handling due to small package size
Working Principles
The 74HC640DB,118 is a logic level translator that facilitates bidirectional data transfer between two independent buses operating at different voltage levels. It uses non-inverting outputs, allowing for easy cascading of multiple devices. The output enable input can be used to disable the outputs when not in use. The IC operates at high speed while consuming low power.
Detailed Application Field Plans
The 74HC640DB,118 IC finds applications in various fields, including: 1. Microcontroller interfacing 2. Data communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the 74HC640DB,118 IC are: 1. SN74LVC8T245DBVR 2. MC74VHC245DTG 3. CD74HCT640E
These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74HC640DB,118 en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of 74HC640DB,118:
Q: What is the 74HC640DB,118? A: The 74HC640DB,118 is a high-speed octal bus transceiver with non-inverting 3-state outputs.
Q: What is the maximum operating voltage for the 74HC640DB,118? A: The maximum operating voltage for the 74HC640DB,118 is 6 volts.
Q: How many channels does the 74HC640DB,118 have? A: The 74HC640DB,118 has 8 channels.
Q: What is the purpose of the 3-state outputs in the 74HC640DB,118? A: The 3-state outputs allow the device to be connected to a common bus without any conflict or contention.
Q: What is the maximum data rate supported by the 74HC640DB,118? A: The maximum data rate supported by the 74HC640DB,118 is typically 80 MHz.
Q: Can the 74HC640DB,118 be used in both parallel and serial communication systems? A: Yes, the 74HC640DB,118 can be used in both parallel and serial communication systems.
Q: Does the 74HC640DB,118 require external pull-up resistors? A: No, the 74HC640DB,118 has internal pull-up resistors on its inputs.
Q: What is the power supply range for the 74HC640DB,118? A: The power supply range for the 74HC640DB,118 is typically from 2 to 6 volts.
Q: Can the 74HC640DB,118 be used in automotive applications? A: Yes, the 74HC640DB,118 is suitable for automotive applications as it has a wide operating temperature range.
Q: What are some typical applications of the 74HC640DB,118? A: Some typical applications of the 74HC640DB,118 include bus interfacing, address decoding, and level shifting in various digital systems.
Please note that these answers are general and may vary depending on the specific requirements and use cases.