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74HC251-Q100 Datasheet(Hoja de datos) 7 Page - Nexperia B.V. All rights reserved

No. de Pieza. 74HC251-Q100
Descripción  8-input multiplexer; 3-state
Descarga  17 Pages
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Fabricante  NEXPERIA [Nexperia B.V. All rights reserved]
Página de inicio  https://www.nexperia.com/
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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 Fig. 9.
25 °C
-40 °C to
+85 °C
-40 °C to
+125 °C
Symbol Parameter
Conditions
Min
Typ
Max
Min
Max
Min
Max
Unit
74HC251-Q100
In to Y; see Fig. 6
[1]
VCC = 2.0 V
-
50
170
-
215
-
255 ns
VCC = 4.5 V
-
18
34
-
43
-
51
ns
VCC = 5 V; CL = 15 pF
-
15
-
-
-
-
-
ns
VCC = 6.0 V
-
14
29
-
37
-
43
ns
In to Y; see Fig. 6
[1]
VCC = 2.0 V
-
55
175
-
220
-
265 ns
VCC = 4.5 V
-
20
35
-
44
-
53
ns
VCC = 5 V; CL = 15 pF
-
17
-
-
-
-
-
ns
VCC = 6.0 V
-
16
30
-
37
-
45
ns
Sn to Y; see Fig. 7
[1]
VCC = 2.0 V
-
66
205
-
255
-
310 ns
VCC = 4.5 V
-
24
41
-
51
-
62
ns
VCC = 5 V; CL = 15 pF
-
20
-
-
-
-
-
ns
VCC = 6.0 V
-
19
35
-
43
-
53
ns
Sn to Y; see Fig. 7
[1]
VCC = 2.0 V
-
69
205
-
255
-
310 ns
VCC = 4.5 V
-
25
41
-
51
-
62
ns
VCC = 5 V; CL = 15 pF
-
21
-
-
-
-
-
ns
tpd
propagation
delay
VCC = 6.0 V
-
20
35
-
43
-
53
ns
OE to Y, Y; see Fig. 8
[2]
VCC = 2.0 V
-
36
140
-
175
-
210 ns
VCC = 4.5 V
-
13
28
-
35
-
42
ns
ten
enable time
VCC = 6.0 V
-
10
24
-
30
-
36
ns
OE to Y, Y; see Fig. 8
[3]
VCC = 2.0 V
-
39
140
-
170
-
210 ns
VCC = 4.5 V
-
14
28
-
35
-
42
ns
tdis
disable time
VCC = 6.0 V
-
11
24
-
30
-
36
ns
Y, Y; see Fig. 6
[4]
VCC = 2.0 V
-
19
75
-
95
-
110 ns
VCC = 4.5 V
-
7
15
-
19
-
22
ns
tt
transition time
VCC = 6.0 V
-
6
13
-
16
-
19
ns
CPD
power
dissipation
capacitance
CL = 50 pF; f = 1 MHz;
VI = GND to VCC
[5]
-
44
-
-
-
-
-
pF
74HC_HCT251_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2019. All rights reserved
Product data sheet
Rev. 2 — 15 July 2019
7 / 17




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