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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 54HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 2, 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-CLCC |
| Supplier Device Package | 20-LCCC (8.89x8.89) |
The MM54HC367E/883 is a CMOS non-inverting buffer from National Semiconductor, engineered for high-reliability systems. It operates from 2V to 6V, providing 7.8mA source and sink current, making it ideal for low-power bus interfacing and signal conditioning. The 3-State outputs allow flexible bus sharing, while the 20-CLCC hermetic package ensures durability in extreme environments. With a temperature range of -55°C to 125°C, it is a trusted choice for military, aerospace, and industrial applications where low power consumption and robust performance are essential.
- Wide 2V to 6V Supply Range: Simplifies design across multiple voltage domains, reducing level-shifter needs.
- Ultra-Low CMOS Power Consumption: Extends battery life in portable and remote systems.
- Hermetic 20-CLCC Package: Provides superior protection against moisture and mechanical stress.
- 3-State Outputs: Enables safe bus arbitration in multi-master architectures.
Low-Power Portable Instrumentation
In battery-powered field meters, the MM54HC367E/883 buffers sensor signals while consuming minimal quiescent current. Its 2V to 6V range allows direct operation from a 3.6V Li-ion cell without a regulator, extending battery life.
Mixed-Voltage Level Translation
When bridging 3.3V microcontrollers to 5V peripherals, this buffer's wide supply range and 3-State outputs enable safe bidirectional communication. The CMOS inputs tolerate slow edges, reducing noise susceptibility in industrial environments.
Bus Isolation in Redundant Controllers
In avionics flight control computers, dual redundant channels can be isolated using the 3-State feature. If one controller fails, its buffer is tri-stated, preventing bus contention and allowing the backup to take over seamlessly.
Driving Long Cable Runs
The 7.8mA output can drive twisted-pair cables up to 3 meters at 5V. This is ideal for distributing clock signals or control lines across a chassis without additional line drivers.
Interfacing High-Impedance Sensors
For pH probes or thermocouples with high source impedance, the buffer's high input impedance prevents loading, preserving measurement accuracy. The non-inverting path maintains signal polarity for straightforward calibration.
Space-Grade Data Acquisition
With its ceramic hermetic package and -55°C to 125°C rating, this buffer is suited for satellite telemetry systems. It reliably conditions digital signals from radiation-hardened sensors before transmission to the onboard computer.
- Q: What logic family does the MM54HC367E/883 belong to?
- A: It is part of the 54HC family, offering CMOS low-power consumption with HC speed.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 2 channels, designed for signal buffering and line driving.
- Q: What output type is provided?
- A: It features 3-State outputs, enabling connection to shared data buses.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, compatible with both 3.3V and 5V logic systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving typical CMOS loads.
- Q: What package is available?
- A: It comes in a 20-CLCC ceramic package, ideal for high-reliability applications.
MM54HC367E/883.pdf
- Q: What logic family does the MM54HC367E/883 belong to?
- A: It is part of the 54HC family, offering CMOS low-power consumption with HC speed.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 2 channels, designed for signal buffering and line driving.
- Q: What output type is provided?
- A: It features 3-State outputs, enabling connection to shared data buses.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, compatible with both 3.3V and 5V logic systems.
- Q: What is the output current capability?
- A: It can source and sink 7.8mA, suitable for driving typical CMOS loads.
- Q: What package is available?
- A: It comes in a 20-CLCC ceramic package, ideal for high-reliability applications.