Datasheet

December 1990 7
Philips Semiconductors Product specification
Octal Schmitt trigger buffer/line driver; 3-state 74HC/HCT7541
TRANSFER CHARACTERISTIC WAVEFORMS
Fig.6 Transfer characteristic.
handbook, halfpage
MBA325
V
T
V
T
V
H
V
I
V
O
Fig.7 Waveforms showing the definition of V
T+
,
V
T−
and V
H
.
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines” .
Fig.8 Waveforms showing the input (A
n
) to output (Y
n
) propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.9 Waveforms showing the 3-state enable and disable times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.