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SN74LVC1T45DBVT 数据表(PDF) 6 Page - Texas Instruments

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部件名 SN74LVC1T45DBVT
功能描述  SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
PDF  22 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74LVC1T45DBVT 数据表(HTML) 6 Page - Texas Instruments

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SN74LVC1T45
SINGLEBIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES515E − 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
5.2
19.4
4.8
18.5
4.7
18.4
5.1
17.1
ns
tPLZ
DIR
A
2.3
10.5
2.1
10.5
2.4
10.7
3.1
10.9
ns
tPHZ
DIR
B
7.4
21.9
4.9
11.5
4.6
10.3
2.8
8.2
ns
tPLZ
DIR
B
4.2
16
3.7
9.2
3.3
8.4
2.4
6.4
ns
tPZH†
DIR
A
33.7
25.2
23.9
21.5
ns
tPZL†
DIR
A
36.2
24.4
22.9
20.4
ns
tPZH†
DIR
B
28.2
20.8
19
18.1
ns
tPZL†
DIR
B
33.7
27
25.5
24.1
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
3
8.1
3.1
8.1
2.8
8.1
3.2
8.1
ns
tPLZ
DIR
A
1.3
5.9
1.3
5.9
1.3
5.9
1
5.8
ns
tPHZ
DIR
B
6.5
23.7
4.1
11.4
3.9
10.2
2.4
7.1
ns
tPLZ
DIR
B
3.9
18.9
3.2
9.6
2.8
8.4
1.8
5.3
ns
tPZH†
DIR
A
29.2
18.1
16.4
12.8
ns
tPZL†
DIR
A
32.2
18.9
17.2
13.3
ns
tPZH†
DIR
B
21.9
14.4
12.3
10.9
ns
tPZL†
DIR
B
21
15.6
13.5
12.7
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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