74HC138-Q100 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HC138-Q100 Datasheet PDF : 18 Pages
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NXP Semiconductors
11. Waveforms
74HC138-Q100; 74HCT138-Q100
3-to-8 line decoder/demultiplexer; inverting
VCC
An, E3
input
GND
VOH
Yn
output
VOL
VM
tPHL
VM
tTHL
tPLH
tTLH
mna373
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation delay input (An) and enable input (E3) to output (Yn) and transition time output (Yn)
VCC
E1, E2
input
GND
VOH
Yn
output
VOL
VM
tPHL
VM
tTHL
tPLH
tTLH
mna374
Fig 7.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation delay enable input (En) to output (Yn) and transition time output (Yn)
Table 8. Measurement points
Type
74HC138-Q100
74HCT138-Q100
Input
VM
0.5VCC
1.3 V
Output
VM
0.5VCC
1.3 V
74HC_HCT138_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 16 July 2012
© NXP B.V. 2012. All rights reserved.
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