SN74LS221NE4

施密特触发器输入双单稳态触发器 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

Texas Instruments brings you their latest monostable multivibrator, the perfect solution if you need to be alerted of something important within your project. This monostable multivibrator has a minimum operating temperature of 0 °C and a maximum of 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.