74HC251-Q100 データシートの表示（PDF） - NXP Semiconductors.
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74HC251-Q100 Datasheet PDF : 18 Pages
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Nexperia
74HC251-Q100; 74HCT251-Q100
8-input multiplexer; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 9.
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
74HC251-Q100
tpd
propagation In to Y; see Figure 6
delay
VCC = 2.0 V
[1]
-
50 170 -
215
-
255
VCC = 4.5 V
-
18 34
-
43
-
51
VCC = 5 V; CL = 15 pF
-
15
-
-
-
-
-
VCC = 6.0 V
-
14 29
-
37
-
43
In to Y; see Figure 6
[1]
VCC = 2.0 V
-
55 175 -
220
-
265
VCC = 4.5 V
-
20 35
-
44
-
53
VCC = 5 V; CL = 15 pF
-
17
-
-
-
-
-
VCC = 6.0 V
-
16 30
-
37
-
45
Sn to Y; see Figure 7
[1]
VCC = 2.0 V
-
66 205 -
255
-
310
VCC = 4.5 V
-
24 41
-
51
-
62
VCC = 5 V; CL = 15 pF
-
20
-
-
-
-
-
VCC = 6.0 V
-
19 35
-
43
-
53
Sn to Y; see Figure 7
[1]
VCC = 2.0 V
-
69 205 -
255
-
310
VCC = 4.5 V
-
25 41
-
51
-
62
VCC = 5 V; CL = 15 pF
-
21
-
-
-
-
-
VCC = 6.0 V
-
20 35
-
43
-
53
ten
enable time OE to Y, Y; see Figure 7
[2]
VCC = 2.0 V
-
36 140 -
175
-
210
VCC = 4.5 V
-
13 28
-
35
-
42
VCC = 6.0 V
-
10 24
-
30
-
36
tdis
disable time OE to Y, Y; see Figure 7
[3]
VCC = 2.0 V
-
39 140 -
170
-
210
VCC = 4.5 V
-
14 28
-
35
-
42
VCC = 6.0 V
-
11 24
-
30
-
36
tt
transition Y, Y; see Figure 6
time
VCC = 2.0 V
[4]
-
19 75
-
95
-
110
VCC = 4.5 V
-
7 15
-
19
-
22
VCC = 6.0 V
-
6 13
-
16
-
19
CPD
power
CL = 50 pF; f = 1 MHz;
[5] -
44 -
-
-
-
-
dissipation VI = GND to VCC
capacitance
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
74HC_HCT251_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 12 August 2013
© Nexperia B.V. 2017. All rights reserved
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