74AHC138 데이터 시트보기 (PDF) - NXP Semiconductors.
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74AHC138 Datasheet PDF : 17 Pages
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Nexperia
74AHC138; 74AHCT138
3-to-8 line decoder/demultiplexer; inverting
VCC
E1, E2 input
GND
VOH
Yn output
VOL
VM
tPHL
VM
tPLH
001aah081
Fig 7.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
The inputs En to outputs Yn propagation delays
Table 8. Measurement points
Type
74AHC138
74AHCT138
Input
VM
0.5VCC
1.5 V
Output
VM
0.5VCC
0.5VCC
74AHC_AHCT138
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 2 April 2014
© Nexperia B.V. 2017. All rights reserved
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