74HC5555D-T Datasheet, PDF (17/23 Pages) NXP Semiconductors – Programmable delay timer with oscillator

Philips Semiconductors
Programmable delay timer with oscillator
Product specification
74HC/HCT5555
handbook, full pagewidth
MR INPUT
A INPUT
B INPUT
VM ⁽¹⁾
t_W
t _PLH
t _rem
VM ⁽¹⁾
t _rem
VM ⁽¹⁾
Q OUTPUT
VM ⁽¹⁾
t _PHL
Q OUTPUT
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT: V_M = 1.3 V; V_I = GND to 3 V.
VM ⁽¹⁾
MGA652-1
Fig.7 Waveforms showing the master reset (MR) pulse width, the master reset to outputs (Q and Q) propagation
delays and the master reset to trigger inputs (A and B) removal time.
September 1993
17