74HC4514(2018) Ver la hoja de datos (PDF) - NXP Semiconductors.
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74HC4514 Datasheet PDF : 19 Pages
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Nexperia
74HC4514; 74HCT4514
4-to-16 line decoder/demultiplexer with input latches
11.1 Waveforms and test circuit
VI
An, LE, E input
VM
VM
GND
tPHL
tPLH
VOH
Qn output
VOL
90 %
VM
10 %
tTHL
VM
10 %
90 %
tTLH
aaa-028167
Measurement points are given in Table 8.
VOL and VOH 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
VI
An input
VM
GND
VI
LE input
tsu
transparant
th
latched
VM
tsu
transparant
th
latched
GND
tW
aaa-028168
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
Type
Input
VI
74HC4514
GND to VCC
74HCT4514
GND to 3 V
VM
0.5VCC
1.3 V
Output
VM
0.5VCC
1.3 V
74HC_HCT4514
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 20 February 2018
© Nexperia B.V. 2018. All rights reserved.
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