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74HC240 3-STATE Buffer
High-speed buffer with 3-STATE outputs and low power consumption
- Supply Voltage: 0.5V to +7.0V
- Input Voltage (VIN): -1.5V to VDD + 1.5V
- Output Voltage (VOUT): -0.5V to VCC + 0.5V
- Clamp Diode Current (IIK, IOK): ±20 mA
- DC Output Current, per pin (IOUT): ±35 mA
- DC VCC or GND Current, per pin (ICC): ±70 mA
- Storage Temperature Range (TSTG): -65°C to +150°C
- Power Dissipation (PD): 600 mW (S.O. Package only 500 mW)
- Lead Temperature (TL): 260°C (Soldering 10 seconds)
Features:
- Typical propagation delay: 12 ns
- 3-STATE outputs for connection to system buses
- Wide power supply range: 2–6V
- Low quiescent supply current: 80 µA (74 Series)
The 74HC240 3-STATE buffer utilizes advanced silicon-gate CMOS technology, providing high drive current outputs for high-speed operation, even with large bus capacitances. It offers speeds comparable to low power Schottky devices while maintaining high noise immunity and low power consumption. With a fanout of 15 LS-TTL equivalent inputs, this inverting buffer features two active LOW enables (1G and 2G), each controlling 4 buffers independently. All inputs are protected from static discharge damage by diodes to VCC and ground.
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Images are for illustration only; actual product may vary.