74VHC221AMTC
双非可重触发单稳多谐振荡器 Dual Non-Retriggerable Monostable Multivibrator
The Semiconductor monostable multivibrator will notify you in the event an external condition is met within your circuit. This monostable multivibrator has an operating temperature range of -40 °C to 85 °C. This product comes in rail packaging to keep individual parts separated and protected. This device has a typical operating supply voltage of 2.5|3.3|5 V. Its minimum operating supply voltage of 2 V, while its maximum is 5.5 V.