Nexperia
74HC4514; 74HCT4514
4-to-16 line decoder/demultiplexer with input latches
74HC_HCT4514 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 February 2018
10 / 19
11.1 Waveforms and test circuit
aaa-028167
An, LE, E input
V
I
GND
Qn output
V
OH
V
OL
t
PLH
t
THL
t
TLH
10 %
90 % 90 %
10 %
t
PHL
V
M
V
M
V
M
V
M
Measurement points are given in Table 8.
V
OL
and V
OH
are typical output voltage levels that occur with the output load.
Figure 7. The inputs (An, LE, E) to output (Qn) propagation delays and the output transition times
aaa-028168
An input
V
I
GND
LE input
transparant transparantlatched latched
V
I
GND
t
h
t
h
t
su
t
su
t
W
V
M
V
M
Measurement points are given in Table 8.
The shaded areas indicate when the input is permitted to change for predictable output performance.
Figure 8. Data set-up and hold times for An input to LE input and LE input pulse width
Table 8. Measurement points
Input
OutputType
V
I
V
M
V
M
74HC4514 GND to V
CC
0.5V
CC
0.5V
CC
74HCT4514 GND to 3 V 1.3 V 1.3 V
