SN74LS221 - DUAL MONOSTABLE MULTIVIBRATORS
SN74LS221 Features
* a negative-transitiontriggered input and a positive-transition-triggered input, either of which can be used as an inhibit input. SN54221, SN54LS221, SN74221, SN74LS221 DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITTĆTRIGGER INPUTS SDLS213B
* DECEMBER 1983
* REVISED NOVEMBER 2004 SN54221