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Encyclopedia Entry: 74LVC162245APFG8
Product Overview
- Category: Integrated Circuit (IC)
- Use: Signal Level Shifter and Buffer
- Characteristics: High-speed, low-power, bidirectional voltage translation
- Package: TSSOP-48
- Essence: Translates signals between different voltage levels
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage: 1.2V to 3.6V
- Input Voltage Range (Vref): -0.5V to VCC + 0.5V
- Output Voltage Range (Vref): -0.5V to VCC + 0.5V
- Operating Temperature Range: -40°C to +85°C
- Propagation Delay: 4.3 ns (Max) at 3.3V supply
- Output Drive Capability: ±24 mA
Detailed Pin Configuration
The 74LVC162245APFG8 IC has a total of 48 pins arranged in a TSSOP package. The pin configuration is as follows:
Pin Number | Pin Name | Description
---------------------|----------------|-------------------------------------
1 | OE | Output Enable Input
2 | A1 | Data Input/Output Port A1
3 | Y1 | Data Input/Output Port A1
... | ... | ...
24 | GND | Ground
25 | B1 | Data Input/Output Port B1
26 | YB1 | Data Input/Output Port B1
... | ... | ...
48 | VCC | Positive Supply Voltage
Functional Features
- Bidirectional voltage translation between two independent voltage domains.
- Supports both unidirectional and bidirectional data flow.
- Provides non-inverting level shifting with 3-state outputs.
- Allows mixing of different supply voltages on each port.
Advantages
- High-speed operation allows for efficient signal transmission.
- Low-power consumption makes it suitable for battery-powered devices.
- Wide operating voltage range enables compatibility with various systems.
- 3-state outputs provide flexibility in controlling data flow.
Disadvantages
- Limited output drive capability may not be suitable for high-current applications.
- Propagation delay can affect timing-sensitive operations.
- Sensitive to electrostatic discharge (ESD) and requires proper handling.
Working Principles
The 74LVC162245APFG8 is a voltage level shifter and buffer IC that facilitates the translation of digital signals between two different voltage domains. It utilizes a combination of CMOS technology and level-shifting circuitry to achieve bidirectional voltage translation. The input signals are received from one domain, and the IC converts them to the appropriate voltage levels for the target domain. The translated signals are then available at the output pins.
Detailed Application Field Plans
The 74LVC162245APFG8 IC finds applications in various fields where voltage translation is required. Some common application areas include: - Communication systems - Data acquisition systems - Industrial automation - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
There are several alternative models available that offer similar functionality to the 74LVC162245APFG8 IC. Some notable alternatives include: - SN74LVC16245A by Texas Instruments - MC74LVX16245 by ON Semiconductor - 74ALVC164245 by NXP Semiconductors
These alternative models provide comparable voltage translation capabilities and can be considered as substitutes for the 74LVC162245APFG8 IC.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LVC162245APFG8 v technických řešeních
Sure! Here are 10 common questions and answers related to the application of 74LVC162245APFG8 in technical solutions:
Q: What is the function of the 74LVC162245APFG8? A: The 74LVC162245APFG8 is a 16-bit bus transceiver with 3-state outputs, designed for voltage level translation between different logic levels.
Q: What is the operating voltage range of the 74LVC162245APFG8? A: The 74LVC162245APFG8 operates within a voltage range of 1.65V to 5.5V.
Q: Can the 74LVC162245APFG8 be used for bidirectional communication? A: Yes, the 74LVC162245APFG8 supports bidirectional data flow, making it suitable for applications requiring both input and output signals.
Q: What is the maximum data transfer rate supported by the 74LVC162245APFG8? A: The 74LVC162245APFG8 can handle data transfer rates up to 400 Mbps (megabits per second).
Q: How many channels does the 74LVC162245APFG8 have? A: The 74LVC162245APFG8 has 16 bidirectional channels, allowing for parallel data transmission.
Q: Can the 74LVC162245APFG8 be used in mixed-voltage systems? A: Yes, the 74LVC162245APFG8 supports voltage level translation between different logic families, making it suitable for mixed-voltage system designs.
Q: Does the 74LVC162245APFG8 have built-in ESD protection? A: Yes, the 74LVC162245APFG8 is designed with built-in ESD protection to safeguard against electrostatic discharge.
Q: What is the power supply current consumption of the 74LVC162245APFG8? A: The power supply current consumption of the 74LVC162245APFG8 depends on the operating conditions and data transfer rates, typically ranging from a few milliamperes to tens of milliamperes.
Q: Can the 74LVC162245APFG8 be used in high-speed applications? A: Yes, the 74LVC162245APFG8 is designed for high-speed operation and can be used in applications requiring fast data transmission.
Q: Are there any specific layout considerations for using the 74LVC162245APFG8? A: Yes, it is recommended to follow the manufacturer's guidelines for PCB layout, including proper decoupling capacitors placement and minimizing trace lengths to reduce signal integrity issues.
Please note that these answers are general and may vary depending on the specific application and requirements.