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74LVC2T45 数据表(PDF) 13 Page - Nexperia B.V. All rights reserved

部件名 74LVC2T45
功能描述  Dual supply translating transceiver; 3-state
PDF  33 Pages
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制造商  NEXPERIA [Nexperia B.V. All rights reserved]
网页  https://www.nexperia.com/
标志 NEXPERIA - Nexperia B.V. All rights reserved

74LVC2T45 数据表(HTML) 13 Page - Nexperia B.V. All rights reserved

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background image
Nexperia
74LVC2T45; 74LVCH2T45
Dual supply translating transceiver; 3-state
VCC(B)
1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V 5.0 V ± 0.5 V
Symbol Parameter
Conditions
Min Max
Min
Max
Min Max Min Max Min Max
Unit
VCC(A) = 1.65 V to 1.95 V
A to B
2.3
21.1
1.9
19.5
1.9
10.3
1.5
8.0
1.2
7.5 ns
tPLH
LOW to HIGH
propagation delay
B to A
2.1
19.4
1.9
19.5
2.0
17.6
1.8
17.1
1.7
16.7 ns
A to B
2.1
19.1
1.8
15.8
1.4
9.4
1.6
7.9
1.5
7.7 ns
tPHL
HIGH to LOW
propagation delay
B to A
1.9
16.9
1.8
15.8
1.8
14.2
1.8
13.9
1.6
13.5 ns
DIR to A
2.6
18.9
2.6
18.9
2.6
18.9
2.6
18.9
2.6
18.9 ns
tPHZ
HIGH to OFF-state
propagation delay
DIR to B
2.8
26.6
2.8
24.1
2.4
12.7
2.7
11.4
2.2
9.1 ns
DIR to A
2.1
11.6
2.1
11.6
2.1
11.6
2.1
11.6
2.1
11.6 ns
tPLZ
LOW to OFF-state
propagation delay
DIR to B
2.2
19.4
2.3
17.6
1.9
10.2
2.4
9.3
2.1
7.9 ns
DIR to A [1]
-
38.8
-
37.1
-
27.8
-
26.4
-
24.6 ns
tPZH
OFF-state to HIGH
propagation delay
DIR to B [1]
-
32.7
-
31.1
-
21.9
-
19.6
-
19.1 ns
DIR to A [1]
-
43.5
-
39.9
-
26.9
-
25.3
-
22.6 ns
tPZL
OFF-state to LOW
propagation delay
DIR to B [1]
-
38.0
-
34.7
-
28.3
-
26.8
-
26.6 ns
VCC(A) = 2.3 V to 2.7 V
A to B
2.0
19.7
2.0
17.6
1.3
9.4
1.1
6.9
0.9
5.3 ns
tPLH
LOW to HIGH
propagation delay
B to A
1.8
14.9
1.9
10.3
1.3
9.4
1.2
8.8
0.9
8.3 ns
A to B
2.0
17.4
1.8
14.2
1.2
8.3
1.1
6.0
0.8
5.1 ns
tPHL
HIGH to LOW
propagation delay
B to A
1.6
13.0
1.7
9.4
1.2
8.3
1.1
7.7
0.8
6.9 ns
DIR to A
1.8
9.0
1.8
9.0
1.8
9.0
1.8
9.0
1.8
9.0 ns
tPHZ
HIGH to OFF-state
propagation delay
DIR to B
2.7
24.8
2.7
23.6
2.2
12.1
2.5
10.3
2.0
7.6 ns
DIR to A
1.5
6.4
1.5
6.4
1.5
6.4
1.5
6.4
1.5
6.4 ns
tPLZ
LOW to OFF-state
propagation delay
DIR to B
2.0
16.1
2.2
14.6
1.8
9.9
2.2
9.3
1.6
6.4 ns
DIR to A [1]
-
31.0
-
24.9
-
19.3
-
18.1
-
14.7 ns
tPZH
OFF-state to HIGH
propagation delay
DIR to B [1]
-
26.1
-
24.0
-
15.8
-
13.3
-
11.7 ns
DIR to A [1]
-
37.8
-
33.0
-
20.4
-
18.0
-
14.5 ns
tPZL
OFF-state to LOW
propagation delay
DIR to B [1]
-
26.4
-
23.2
-
17.3
-
15.0
-
14.1 ns
VCC(A) = 3.0 V to 3.6 V
A to B
2.0
18.9
1.8
17.1
1.2
8.8
0.7
6.2
0.6
4.9 ns
tPLH
LOW to HIGH
propagation delay
B to A
1.5
13.0
1.5
8.0
1.1
6.9
0.6
6.2
0.5
6.0 ns
A to B
1.9
17.2
1.8
13.9
1.1
7.7
0.7
5.5
0.6
4.4 ns
tPHL
HIGH to LOW
propagation delay
B to A
1.5
12.0
1.6
7.9
1.1
6.0
0.7
5.5
0.6
5.0 ns
DIR to A
2.0
8.1
2.0
8.1
2.0
8.1
2.0
8.1
2.4
8.1 ns
tPHZ
HIGH to OFF-state
propagation delay
DIR to B
2.6
19.8
2.6
18.2
2.0
11.2
2.4
9.5
1.9
7.0 ns
DIR to A
1.8
6.2
1.8
6.2
1.8
6.2
1.8
6.2
1.8
6.2 ns
tPLZ
LOW to OFF-state
propagation delay
DIR to B
2.0
15.0
2.1
13.8
1.7
8.6
2.0
7.9
1.5
5.4 ns
DIR to A [1]
-
28.0
-
21.8
-
15.5
-
14.1
-
11.4 ns
tPZH
OFF-state to HIGH
propagation delay
DIR to B [1]
-
25.1
-
23.3
-
15.0
-
12.4
-
11.1 ns
DIR to A [1]
-
31.8
-
26.1
-
17.2
-
15.0
-
12.0 ns
tPZL
OFF-state to LOW
propagation delay
DIR to B [1]
-
25.3
-
22.0
-
15.8
-
13.6
-
12.5 ns
74LVC_LVCH2T45
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2023. All rights reserved
Product data sheet
Rev. 12 — 1 March 2023
13 / 33



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