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74HCT253DB Datasheet PDF : 16 Pages
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Nexperia
74HC253; 74HCT253
Dual 4-input multiplexer; 3-state
11. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); For test circuit see Figure 8.
Symbol Parameter
Conditions
25 C
Typ Max
74HC253
tpd
propagation delay 1ln to 1Y or 2ln to 2Y;
[1]
see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
VCC = 6.0 V
Sn to nY; see Figure 6
55 175
20
35
17
-
16
30
VCC = 2.0 V
58 175
VCC = 4.5 V
21
35
VCC = 5.0 V; CL = 15 pF
18
-
VCC = 6.0 V
17
30
ten
enable time
nOE to nY; see Figure 7 [2]
VCC = 2.0 V
30 100
VCC = 4.5 V
11
20
VCC = 6.0 V
9
17
tdis
disable time
nOE to nY; see Figure 7 [3]
VCC = 2.0 V
41 150
VCC = 4.5 V
15
30
VCC = 6.0 V
12
26
tt
transition time see Figure 6
[4]
VCC = 2.0 V
14
60
VCC = 4.5 V
5
12
VCC = 6.0 V
4
10
CPD
power dissipation per multiplexer;
capacitance
VI = GND to VCC
[5] 55
-
74HCT253
tpd
propagation delay 1ln to 1Y or 2ln to 2Y;
[1]
see Figure 6
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
Sn to nY; see Figure 6
20
38
17
-
ten
enable time
VCC = 4.5 V
22
40
VCC = 5.0 V; CL = 15 pF
19
-
nOE to nY; VCC = 4.5 V; [2] 14
30
see Figure 7
40 C to +85 C 40 C to +125 C Unit
Max
Max
220
265
ns
44
53
ns
-
-
ns
37
45
ns
220
265
ns
44
53
ns
-
-
ns
37
45
ns
125
150
ns
25
30
ns
21
26
ns
190
225
ns
38
45
ns
33
38
ns
75
90
ns
15
18
ns
13
15
ns
-
-
pF
48
57
ns
-
-
ns
50
60
ns
ns
38
45
ns
74HC_HCT253
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 1 February 2016
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7 of 16
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