Nexperia 74LV123单稳态多谐振荡器
Nexperia 74LV123单稳态多谐振荡器是低电压、双可再触发器件。74LV123 的引脚和功能与 74HC123 和 74HCT123 兼容。使用外部电阻器和电容器对基本时间脉冲编程。一旦确定基本输出脉冲，则可以通过设置控制引脚的高或低来控制输出脉冲周期。输入中的施密特触发器动作使电路具有较缓慢的输入上升和下降时间容限。
Features
- Optimized for low-voltage applications: 1.0V to 5.5V
- Accepts TTL input levels between VCC=2.7V and VCC=3.6V
- Typical output ground bounce:
- Typical HIGH-level output voltage (VOH) undershoot: >2V at VCC=3.3V and Tamb=25°C
- DC triggered from active HIGH or active LOW inputs
- Retriggerable for very long pulses up to 100% duty factor
- Direct reset terminates output pulses
- Schmitt-trigger action on all inputs except for the reset input
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