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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | 54AC |
| Packaging | Strip | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | - |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-CFlatPack |
| Supplier Device Package | 20-CFlatPack |
| ROHS |  |
The RHFAC244K1 is a dual non-inverting buffer from STMicroelectronics, belonging to the 54AC logic family. It operates across a wide supply voltage range of 2V to 6V, making it adaptable to various logic standards. The 3-State outputs enable efficient bus sharing. With a temperature range of -55°C to 125°C and a 20-lead CFlatPack package, it is engineered for high-reliability applications in aerospace and industrial sectors.
- Wide Supply Voltage (2V to 6V): Compatible with multiple logic levels, reducing the need for level shifters.
- Extended Temperature Range (-55°C to 125°C): Reliable in harsh environments, from deep space to industrial ovens.
- 3-State Outputs: Allows multiple devices to share a bus, simplifying system architecture.
- 54AC Family Performance: Offers high-speed operation with low power consumption compared to bipolar families.
Versatile Bus Buffering in Avionics
The RHFAC244K1's 2V to 6V supply range allows it to buffer signals in avionics systems that use both 3.3V and 5V logic. The 3-State outputs enable multiple subsystems to communicate over a shared data bus without interference.
Signal Conditioning for Industrial Sensors
In industrial settings, sensor signals often need buffering before reaching a controller. This buffer provides clean, non-inverted signal reproduction, ensuring accurate data acquisition even with long cable runs.
Level Translation in Mixed-Voltage Designs
With its wide voltage range, this buffer can act as a level shifter between 2V and 6V logic domains. This is particularly useful in battery-powered equipment where supply voltages may vary.
Driving High-Fan-Out Clock Distribution
The buffer's strong output drive can distribute clock signals to multiple loads. The 3-State feature allows disabling outputs during low-power modes, saving energy in portable systems.
Military-Grade Data Acquisition
In military data acquisition units, the wide temperature range ensures reliable operation in field conditions. The non-inverting buffer maintains signal integrity for accurate analog-to-digital conversions.
Redundant System Architecture
The 3-State outputs facilitate redundant system designs where multiple controllers can drive the same bus. This buffer allows seamless switching between active and standby controllers.
- Q: What logic family does the RHFAC244K1 belong to?
- A: It is part of the 54AC family, which offers high-speed CMOS operation with a wide supply range.
- Q: What is the function of this device?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the supply voltage range?
- A: The operating voltage is from 2V to 6V, providing flexibility for various logic levels.
- Q: What is the output configuration?
- A: The outputs are 3-State, allowing high-impedance states for multiplexed bus applications.
- Q: What package is this IC available in?
- A: It comes in a 20-lead CFlatPack, suitable for compact and high-reliability designs.
- Q: What temperature range does it support?
- A: It operates from -55°C to 125°C, making it ideal for extreme environments.
RHFAC244K1.pdf
- Q: What logic family does the RHFAC244K1 belong to?
- A: It is part of the 54AC family, which offers high-speed CMOS operation with a wide supply range.
- Q: What is the function of this device?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs, used for signal buffering and bus driving.
- Q: What is the supply voltage range?
- A: The operating voltage is from 2V to 6V, providing flexibility for various logic levels.
- Q: What is the output configuration?
- A: The outputs are 3-State, allowing high-impedance states for multiplexed bus applications.
- Q: What package is this IC available in?
- A: It comes in a 20-lead CFlatPack, suitable for compact and high-reliability designs.
- Q: What temperature range does it support?
- A: It operates from -55°C to 125°C, making it ideal for extreme environments.