SN74LS123NE4
可重触发单稳态触发器 RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
If you are looking for a way to get notified in the event a condition is met within your project, the monostable multivibrator from Texas Instruments can easily accomplish this task. This monostable multivibrator has an operating temperature range of 0 °C to 70 °C. This device comes in tube packaging. This device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.75 V, while its maximum is 5.25 V.