74HC151(2015) 查看數據表（PDF） - NXP Semiconductors.
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74HC151 Datasheet PDF : 18 Pages
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Nexperia
74HC151; 74HCT151
8-input multiplexer
Table 8. Measurement points
Type
74HC151
74HCT151
Input
VM
0.5VCC
1.3 V
Output
VM
0.5VCC
1.3 V
9,
QHJDWLYH
SXOVH
*1'
9,
SRVLWLYH
SXOVH
*1'
90
WI
WU
90
9,
*
57
W:
W:
9&&
'87
90
WU
WI
90
92
&/
DDK
Fig 7.
Test data is given in Table 9.
Definitions test circuit:
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
CL = Load capacitance including jig and probe capacitance.
RL = Load resistance.
S1 = Test selection switch.
Test circuit for measuring switching times
Table 9. Test data
Type
74HC151
74HCT151
Input
VI
VCC
3.0 V
tr, tf
6.0 ns
6.0 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
Test
tPLH, tPHL
tPLH, tPHL
74HC_HCT151
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 28 December 2015
© Nexperia B.V. 2017. All rights reserved
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