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74HC139-Q100 Datasheet(PDF) 9 Page - Nexperia B.V. All rights reserved

Part No. 74HC139-Q100
Description  Dual 2-to-4 line decoder/demultiplexer
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Maker  NEXPERIA [Nexperia B.V. All rights reserved]
Homepage  https://www.nexperia.com/
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74HC139-Q100 Datasheet(HTML) 9 Page - Nexperia B.V. All rights reserved

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© Nexperia B.V. 2017. All rights reserved
74HC_HCT139_Q100
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Product data sheet
Rev. 1 — 19 June 2014
9 of 18
Nexperia
74HC139-Q100; 74HCT139-Q100
Dual 2-to-4 line decoder/demultiplexer
[1]
tpd is the same as tPLH and tPHL.
[2]
tt is the same as tTHL and tTLH.
[3]
CPD is used to determine the dynamic power dissipation (PD in W).
PD =CPD  VCC2  fi  N+ (CL  VCC2  fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(C
L  VCC
2
 f
o) = sum of outputs.
11. Waveforms
CPD
power
dissipation
capacitance
CL = 50 pF; f = 1 MHz;
VI =GND to VCC  1.5 V
[3]
-44
-
-
-
-
-
pF
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 8.
Symbol Parameter
Conditions
Tamb
Unit
25
C
40 C to +85 C 40 C to +125 C
Min
Typ
Max
Min
Max
Min
Max
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Fig 6.
Propagation delay input (nAn) to output (nYn) and transition time output (nYn)


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