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SN74LVC2T45 Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce SN74LVC2T45
Description  DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
Download  22 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

SN74LVC2T45 Fiches technique(HTML) 6 Page - Texas Instruments

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SN74LVC2T45
DUALBIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES516E − DECEMBER 2003 − REVISED MAY 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCCA = 1.8 V ± 0.15 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
VCCB = 5 V
± 0.5 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
B
3
17.7
2.2
10.3
1.7
8.3
1.4
7.2
ns
tPHL
A
B
2.8
14.3
2.2
8.5
1.8
7.1
1.7
7
ns
tPLH
B
A
3
17.7
2.3
16
2.1
15.5
1.9
15.1
ns
tPHL
B
A
2.8
14.3
2.1
12.9
2
12.6
1.8
12.2
ns
tPHZ
DIR
A
10.6
30.9
10.3
30.5
10.5
30.5
10.7
29.3
ns
tPLZ
DIR
A
7.3
19.7
7.5
19.6
7.5
19.5
7
19.4
ns
tPHZ
DIR
B
10
27.9
8.4
14.9
6.5
11.3
4.1
8.6
ns
tPLZ
DIR
B
6.5
19.5
7.2
12.6
4.3
9.7
2.1
7.1
ns
tPZH†
DIR
A
37.2
28.6
25.2
22.2
ns
tPZL†
DIR
A
42.2
27.8
23.9
20.8
ns
tPZH†
DIR
B
37.4
29.9
27.8
26.6
ns
tPZL†
DIR
B
45.2
39
37.6
36.3
ns
† The enable time is a calculated value, derived using the formula shown in the section entitled enable times on page 16.
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCCA = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
VCCB = 5 V
± 0.5 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
B
2.3
16
1.5
8.5
1.3
6.4
1.1
5.1
ns
tPHL
A
B
2.1
12.9
1.4
7.5
1.3
5.4
0.9
4.6
ns
tPLH
B
A
2.2
10.3
1.5
8.5
1.4
8
1
7.5
ns
tPHL
B
A
2.2
8.5
1.4
7.5
1.3
7
0.9
6.2
ns
tPHZ
DIR
A
6.6
17.1
7.1
16.8
6.8
16.8
5.2
16.5
ns
tPLZ
DIR
A
5.3
12.6
5.2
12.5
4.9
12.3
4.8
12.3
ns
tPHZ
DIR
B
10.7
27.9
8.1
13.9
5.8
10.5
3.5
7.6
ns
tPLZ
DIR
B
7.8
18.9
6.2
11.2
3.6
8.9
1.4
6.2
ns
tPZH†
DIR
A
29.2
19.7
16.9
13.7
ns
tPZL†
DIR
A
36.4
21.4
17.5
13.8
ns
tPZH†
DIR
B
28.6
21
18.7
17.4
ns
tPZL†
DIR
B
30
24.3
22.2
21.1
ns
† The enable time is a calculated value, derived using the formula shown in the section entitled enable times on page 16.


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