View sn74ls221 datasheet:

SN54/74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS DUAL MONOSTABLE Each multivibrator of the LS221 features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as MULTIVIBRATORS an inhibit input. WITH SCHMITT-TRIGGER INPUTS Pulse triggering occurs at a voltage level and is not related to the transition LOW POWER

BUY TRANSISTORS

LIST

Last Update

BJT: SBT42 | 2SA200-Y | 2SA200-O | 2SD882-Q | 2SD882-P | 2SD882-E | 2SC945-L | 2SC945-H | 2SC4226-R23 | 2SC3357-F | 2SC3357-E | 2SC3356-R26 | 2SC3356-R24 | 2SC3356-R23 | 2SB772-Q | 2SB772-P | 2SB772-E | 2SA1015-L | 2SA1015-H | HSS8550 | HSS8050