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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 56-BSSOP (0.295", 7.50mm Width) |
The CD74LPT16543ASM is a high-performance 2-channel non-inverting transceiver from Harris Corporation. Designed for 3.3V operation, it features 3-State outputs and 24mA drive capability, making it suitable for bus-oriented applications. Its wide operating temperature range and compact 56-BSSOP package enable use in space-constrained industrial and telecommunications equipment.
- High Drive Current (24mA): Ensures reliable signal transmission over long traces and into high-capacitance loads.
- 3-State Outputs: Allows multiple devices to share a common bus without data contention.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments where temperature extremes are common.
- Non-Inverting Logic: Simplifies design by preserving signal polarity, reducing the chance of logic errors.
Bus Interfacing for 3.3V Systems
Use the CD74LPT16543ASM to interface between different 3.3V buses. Its 24mA output drive and 3-State outputs allow direct connection to high-capacitance backplanes without additional buffering.
Memory Address/Data Buffering
In memory subsystems, this transceiver can buffer address and data lines. The non-inverting function preserves signal integrity, while 3-State outputs enable bus sharing in multi-bank configurations.
Level Shifting in Mixed-Voltage Designs
While optimized for 3.3V, its wide 2.7V to 3.6V range allows interfacing with 2.8V or 3.0V logic, providing a simple level-shifting solution in portable devices.
Telecommunications Line Cards
For line card interfaces, the high drive current and fast propagation delays ensure reliable data transfer between network processors and line interface units, even over longer PCB traces.
Industrial Sensor Data Acquisition
In industrial control systems, this transceiver can buffer sensor data from multiple analog-to-digital converters to a central controller, ensuring clean signal transmission in noisy environments.
Redundant System Switching
The 3-State outputs allow for easy implementation of redundant systems. By disabling one transceiver, another can take over the bus without contention, improving system reliability.
- Q: What is the logic family of the CD74LPT16543ASM?
- A: It belongs to the LPT family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting transceiver with 3-State outputs.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA, suitable for driving moderate loads.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C.
CD74LPT16543ASM.pdf
- Q: What is the logic family of the CD74LPT16543ASM?
- A: It belongs to the LPT family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a 2-channel, non-inverting transceiver with 3-State outputs.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
- Q: What is the output current capability?
- A: It can source and sink 24mA, suitable for driving moderate loads.
- Q: What package is available?
- A: It comes in a 56-BSSOP (0.295", 7.50mm Width) package.
- Q: What is the temperature range?
- A: It operates from -40°C to 85°C.