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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 81LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 5.2mA, 24mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
The DM81LS95AWM is a non-inverting buffer from Fairchild Semiconductor, part of the 81LS logic family. It operates from a standard 5V supply (4.75V to 5.25V), making it suitable for legacy TTL systems. With 1 channel and 3-State outputs, it provides signal buffering and bus isolation. The device can source 5.2mA and sink 24mA, offering asymmetric drive for high-current sinking applications. It is available in a 20-SOIC package. Typical applications include memory buffering, peripheral interfacing, and industrial control.
- High Sink Current (24mA): Drives high-current loads like relays and lamps.
- 3-State Outputs: Enables bus sharing and isolation in multi-device systems.
- Standard 5V Operation: Compatible with legacy TTL logic systems.
- Non-Inverting Buffer: Preserves signal polarity, simplifying design.
- Low-Power Schottky (81LS): Balances speed and power consumption.
Legacy 5V Bus Interfacing
Use the DM81LS95AWM in legacy 5V systems to buffer address or data lines, ensuring signal integrity with its 24mA sink capability.
High-Current Load Driving
With a 24mA sink current, this buffer can drive high-current loads such as relays or indicator lamps in industrial control panels.
Memory Address Buffering
Buffer address lines in older memory systems (e.g., SRAM/DRAM) to reduce loading on the memory controller.
TTL-Level Signal Distribution
Distribute TTL-level signals to multiple boards in a rack-mounted system, using the 3-State outputs for bus isolation.
Peripheral Device Interfacing
Interface a microprocessor to peripheral devices like printers or modems, providing robust signal buffering.
Test and Measurement Equipment
In bench-top test equipment, this buffer can drive long cables with its high sink current, maintaining signal quality.
- Q: What is the logic family of the DM81LS95AWM?
- A: It belongs to the 81LS logic family, a bipolar low-power Schottky series.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer, providing signal buffering without inversion.
- Q: How many channels does it have?
- A: It has 1 channel, with a single buffer output.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, a standard 5V supply.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.
DM81LS95AWM.pdf
- Q: What is the logic family of the DM81LS95AWM?
- A: It belongs to the 81LS logic family, a bipolar low-power Schottky series.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer, providing signal buffering without inversion.
- Q: How many channels does it have?
- A: It has 1 channel, with a single buffer output.
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, a standard 5V supply.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.