74HC151N データシートの表示（PDF） - NXP Semiconductors.
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74HC151N Datasheet PDF : 19 Pages
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NXP Semiconductors
74HC151; 74HCT151
8-input multiplexer
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 7.
Symbol Parameter Conditions
Tamb = 25 C
Tamb = 40 C
to +85 C
Tamb = 40 C
to +125 C
Min Typ Max Min
Max
Min
Max
CPD
power
CL = 50 pF; f = 1 MHz;
[3] -
40 -
-
-
-
-
dissipation VI = GND to VCC
capacitance
For type 74HCT151
tpd
propagation In to Y; see Figure 5
delay
VCC = 4.5 V
[1]
-
22 38
-
48
-
57
VCC = 5 V; CL = 15 pF
-
19
-
-
-
-
-
In to Y; see Figure 5
[1]
VCC = 4.5 V
-
22 38
-
48
-
57
VCC = 5 V; CL = 15 pF
-
19
-
-
-
-
-
Sn to Y; see Figure 6
[1]
VCC = 4.5 V
-
23 41
-
51
-
62
VCC = 5 V; CL = 15 pF
-
20
-
-
-
-
-
Sn to Y; see Figure 6
[1]
VCC = 4.5 V
-
25 43
-
54
-
65
VCC = 5 V; CL = 15 pF
-
20
-
-
-
-
-
E to Y; see Figure 6
[1]
VCC = 4.5 V
-
16 29
-
36
-
44
VCC = 5 V; CL = 15 pF
-
13
-
-
-
-
-
E to Y; see Figure 6
[1]
VCC = 4.5 V
-
21 36
-
45
-
54
VCC = 5 V; CL = 15 pF
-
18
-
-
-
-
-
tt
transition Y, Y; see Figure 5
time
VCC = 4.5 V
[2]
-
7 15
-
19
-
22
CPD
power
CL = 50 pF; f = 1 MHz;
[3] -
40 -
-
-
-
-
dissipation VI = GND to VCC
capacitance
Unit
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
[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;
(CL VCC2 fo) = sum of outputs.
74HC_HCT151
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 11 February 2013
© NXP B.V. 2013. All rights reserved.
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