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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | F100112 |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | - |
| Voltage - Supply | -4.2V ~ -5.7V |
| Operating Temperature | 0°C ~ 85°C (TC) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 24-CDIP (0.600", 15.24mm) |
| Supplier Device Package | 24-CDIP |
The 100112DCQR from National Semiconductor is a high-speed buffer in the F100112 ECL logic family. It features one channel with both inverting and non-inverting 3-State outputs. Operating from a -4.2V to -5.7V supply, this buffer is designed for very high-frequency applications where speed is critical. The 24-CDIP ceramic package provides excellent thermal and mechanical stability. While current ratings are not specified, the ECL family is known for its fast switching. This buffer is ideal for clock distribution, supercomputing, and aerospace applications.
- Extremely High Speed: ECL technology offers the fastest propagation delays among logic families, essential for high-frequency signal processing.
- Dual Output Polarity: Provides both inverting and non-inverting outputs, reducing the need for additional logic gates.
- Ceramic Package (CDIP): Offers superior reliability and thermal performance compared to plastic packages, suitable for military and aerospace.
- 3-State Outputs: Allows for bus multiplexing and isolation in complex systems.
High-Speed Clock Distribution
In telecommunications and data centers, the 100112DCQR buffers high-frequency clock signals. The ECL family's extremely fast propagation delay ensures minimal skew in clock distribution networks.
Signal Buffering in Supercomputing
For supercomputer interconnects, this buffer provides the necessary speed to handle multi-gigabit data rates. The inverting and non-inverting outputs allow flexible signal routing without additional components.
Aerospace and Defense Electronics
The ceramic CDIP package offers high reliability in harsh environments. Use this buffer in avionics or military systems where temperature extremes and vibration are concerns.
Test and Measurement Instruments
In high-bandwidth oscilloscopes or signal generators, this buffer maintains signal integrity at high frequencies. The 3-State outputs enable multiplexing of test signals.
ECL-to-TTL Interfacing (with Level Shifters)
When combined with level-shifting circuits, this buffer can interface ECL logic to TTL systems. The dual output polarity simplifies the design of such interface circuits.
RF and Microwave Systems
In RF signal processing chains, this buffer can distribute local oscillator signals. The negative supply operation is compatible with many RF front-end designs.
- Q: What is the logic family of the 100112DCQR?
- A: It belongs to the F100112 ECL (Emitter-Coupled Logic) family, known for very high-speed operation.
- Q: What is the function of this IC?
- A: It is a buffer with both inverting and non-inverting outputs, providing flexibility in signal routing.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the buffer to be disconnected from the load when not active.
- Q: What is the operating voltage range?
- A: It operates from -4.2V to -5.7V, which is typical for ECL logic with negative supply rails.
- Q: What is the output current capability?
- A: The technical data does not specify current ratings; this information is not available.
- Q: What package is available?
- A: It comes in a 24-CDIP (0.600", 15.24mm) ceramic dual-inline package, suitable for high-reliability applications.
100112DCQR.pdf
- Q: What is the logic family of the 100112DCQR?
- A: It belongs to the F100112 ECL (Emitter-Coupled Logic) family, known for very high-speed operation.
- Q: What is the function of this IC?
- A: It is a buffer with both inverting and non-inverting outputs, providing flexibility in signal routing.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the buffer to be disconnected from the load when not active.
- Q: What is the operating voltage range?
- A: It operates from -4.2V to -5.7V, which is typical for ECL logic with negative supply rails.
- Q: What is the output current capability?
- A: The technical data does not specify current ratings; this information is not available.
- Q: What package is available?
- A: It comes in a 24-CDIP (0.600", 15.24mm) ceramic dual-inline package, suitable for high-reliability applications.