Datasheet

September 1993 17
Philips Semiconductors Product specification
Programmable delay timer with oscillator 74HC/HCT5555
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.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
handbook, full pagewidth
t
PHL
V
M
(1)
t
W
t
PLH
Q OUTPUT
MR INPUT
MGA652-1
V
M
(1)
Q OUTPUT
t
rem
A INPUT
B INPUT
V
M
(1)
V
M
(1)
V
M
(1)
t
rem