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74LVC2T45GD 数据表(PDF) 13 Page - NXP Semiconductors

部件名 74LVC2T45GD
功能描述  Dual supply translating transceiver; 3-state
PDF  36 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74LVC2T45GD 数据表(HTML) 13 Page - NXP Semiconductors

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74LVC_LVCH2T45
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 20 August 2010
13 of 36
NXP Semiconductors
74LVC2T45; 74LVCH2T45
Dual supply translating transceiver; 3-state
[1]
tPZH and tPZL are calculated values using the formula shown in Section 14.4 “Enable times”.
tPLZ
LOW to OFF-state
propagation delay
DIR to A
1.4
3.7
1.4
3.7
1.3
3.7
1.0
3.7
0.9
3.7
ns
DIR to B
2.3
13.1
2.4
12.1
1.9
7.4
2.3
7.0
1.8
4.5
ns
tPZH
OFF-statetoHIGH
propagation delay
DIR to A
[1]
-
23.6
-
18.9
-
12.2
-
11.4
-
8.4
ns
DIR to B
[1]
-
20.3
-
18.8
-
11.2
-
9.1
-
7.6
ns
tPZL
OFF-state to LOW
propagation delay
DIR to A
[1]
-
28.1
-
23.1
-
14.3
-
12.0
-
9.2
ns
DIR to B
[1]
-
20.7
-
17.6
-
11.6
-
9.9
-
8.9
ns
Table 12.
Dynamic characteristics for temperature range
−40 °C to +85 °C …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9; for wave forms see Figure 7 and Figure 8.
Symbol Parameter
Conditions
VCC(B)
Unit
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
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Table 13.
Dynamic characteristics for temperature range
−40 °C to +125 °C
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9; for wave forms see Figure 7 and Figure 8.
Symbol Parameter
Conditions
VCC(B)
Unit
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
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
VCC(A) = 1.4 V to 1.6 V
tPLH
LOW to HIGH
propagation delay
A to B
2.5
23.5
2.1
19.4
1.8
14.9
1.5
13.0
1.4
11.6
ns
B to A
2.5
23.5
2.3
21.1
2.0
16.4
2.0
13.7
1.9
13.2
ns
tPHL
HIGH to LOW
propagation delay
A to B
2.3
21.3
1.9
16.9
1.6
13.0
1.5
12.0
1.5
11.9
ns
B to A
2.3
21.3
2.1
19.1
2.0
14.6
1.9
12.5
2.0
12.1
ns
tPHZ
HIGH to OFF-state
propagation delay
DIR to A
2.7
20.6
2.7
20.6
2.7
20.6
2.7
20.6
2.7
20.6
ns
DIR to B
3.1
27.3
3.1
26.0
2.7
12.1
2.9
12.5
2.5
11.4
ns
tPLZ
LOW to OFF-state
propagation delay
DIR to A
2.1
12.6
2.1
12.6
2.1
12.6
2.1
12.6
2.1
12.6
ns
DIR to B
2.5
20.2
2.7
19.0
2.2
10.4
2.7
11.2
2.2
10.4
ns
tPZH
OFF-statetoHIGH
propagation delay
DIR to A
[1]
-
43.7
-
40.1
-
26.8
-
24.9
-
23.6
ns
DIR to B
[1]
-
36.1
-
32.0
-
27.5
-
25.6
-
24.2
ns
tPZL
OFF-state to LOW
propagation delay
DIR to A
[1]
-
48.6
-
45.1
-
26.7
-
25.0
-
23.5
ns
DIR to B
[1]
-
41.9
-
37.5
-
33.6
-
32.6
-
32.5
ns
VCC(A) = 1.65 V to 1.95 V
tPLH
LOW to HIGH
propagation delay
A to B
2.3
21.1
1.9
19.5
1.9
10.3
1.5
8.0
1.2
7.5
ns
B to A
2.1
19.4
1.9
19.5
2.0
17.6
1.8
17.1
1.7
16.7
ns
tPHL
HIGH to LOW
propagation delay
A to B
2.1
19.1
1.8
15.8
1.4
9.4
1.6
7.9
1.5
7.7
ns
B to A
1.9
16.9
1.8
15.8
1.8
14.2
1.8
13.9
1.6
13.5
ns
tPHZ
HIGH to OFF-state
propagation delay
DIR to A
2.6
18.9
2.6
18.9
2.6
18.9
2.6
18.9
2.6
18.9
ns
DIR to B
2.8
26.6
2.8
24.1
2.4
12.7
2.7
11.4
2.2
9.1
ns
tPLZ
LOW to OFF-state
propagation delay
DIR to A
2.1
11.6
2.1
11.6
2.1
11.6
2.1
11.6
2.1
11.6
ns
DIR to B
2.2
19.4
2.3
17.6
1.9
10.2
2.4
9.3
2.1
7.9
ns
tPZH
OFF-statetoHIGH
propagation delay
DIR to A
[1]
-
38.8
-
37.1
-
27.8
-
26.4
-
24.6
ns
DIR to B
[1]
-
32.7
-
31.1
-
21.9
-
19.6
-
19.1
ns



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