M54HC4538 M74HC4538 DUAL RETRIGGERABLE MONOSTABLE .
ST Microelectronics
M54HC4538 - DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
M54HC4538 M74HC4538 DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR . . . . . . . . HIGH SPEED tPD = 25 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION STA.