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| Product attributes | Property Value |
| Manufacturer | Nexperia USA Inc. |
| Product Series | 74HC |
| Packaging | Bulk | |
| 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 | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SO |
The 74HC244D-Q100 is an octal non-inverting buffer/line driver from Nexperia, part of the 74HC logic family and qualified to AEC-Q100 for automotive applications. It operates from 2V to 6V, providing flexibility across multiple logic levels. The eight 3-state outputs are controlled by two active-low enables, allowing independent control of two 4-bit banks. Each output can drive 7.8mA. The 20-pin SOIC package is industry-standard. Typical applications include automotive ECUs, industrial PLCs, and memory address buffering.
- AEC-Q100 Qualified: Meets stringent automotive quality standards for reliability in harsh environments.
- Wide 2V to 6V Supply Range: Compatible with 3.3V, 5V, and 6V systems, reducing inventory complexity.
- Dual 4-Bit Bank Control: Two enable pins allow independent control of each half of the buffer, useful for partial bus isolation.
- High Output Drive (7.8mA): Capable of driving LEDs, relays, or long transmission lines directly.
Automotive ECU Signal Buffering
The AEC-Q100 qualification ensures reliability for automotive electronic control units. It can buffer sensor signals or drive actuators in engine management systems.
Industrial PLC I/O Expansion
With 2V to 6V operation, it interfaces with both 3.3V and 5V PLC logic. The 3-state outputs allow multiple I/O modules to share a common backplane bus.
LED Matrix Driving
Each of the 8 outputs can sink 7.8mA, making it suitable for driving LED segments or small indicator lamps in display panels.
Memory Address Buffering
In embedded systems, it can buffer address lines from a microcontroller to external SRAM or Flash, ensuring clean signals over longer PCB traces.
Battery-Powered Instrumentation
The wide voltage range allows operation from a 3.6V lithium battery down to 2V when nearly discharged, maintaining functionality throughout battery life.
Server and Telecom Backplanes
The high drive current and 3-state capability make it suitable for driving signals across backplanes in networking equipment, with the ability to isolate boards during hot-swap.
74HC244D-Q100,118.pdf