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SN74AVC2T45 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. SN74AVC2T45
Description  DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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Switching Characteristics
Switching Characteristics
SN74AVC2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES531F – DECEMBER 2003 – REVISED MAY 2005
over recommended operating free-air temperature range, V
CCA = 1.2 V (see Figure 11)
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
FROM
TO
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
TYP
TYP
TYP
TYP
tPLH
3.1
2.6
2.4
2.2
2.2
A
B
ns
tPHL
3.1
2.6
2.4
2.2
2.2
tPLH
3.4
3.1
3
2.9
2.9
B
A
ns
tPHL
3.4
3.1
3
2.9
2.9
tPHZ
5.2
5.2
5.1
5
4.8
DIR
A
ns
tPLZ
5.2
5.2
5.1
5
4.8
tPHZ
5
4
3.8
2.8
3.2
DIR
B
ns
tPLZ
5
4
3.8
2.8
3.2
tPZH(1)
8.4
7.1
6.8
5.7
6.1
DIR
A
ns
tPZL(1)
8.4
7.1
6.8
5.7
6.1
tPZH(1)
8.3
7.8
7.5
7.2
7
DIR
B
ns
tPZL(1)
8.3
7.8
7.5
7.2
7
(1)
The enable time is a calculated value, derived using the formula shown in the enable times section.
over recommended operating free-air temperature range, V
CCA = 1.5 V ± 0.1 V (see Figure 11)
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 1.2 V
FROM
TO
± 0.1 V
± 0.15 V
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tPLH
2.8
0.7
5.4
0.5
4.6
0.4
3.7
0.3
3.5
A
B
ns
tPHL
2.8
0.7
5.4
0.5
4.6
0.4
3.7
0.3
3.5
tPLH
2.7
0.8
5.4
0.7
5.2
0.6
4.9
0.5
4.7
B
A
ns
tPHL
2.7
0.8
5.4
0.7
5.2
0.6
4.9
0.5
4.7
tPHZ
3.9
1.3
8.5
1.3
7.8
1.1
7.7
1.4
7.6
DIR
A
ns
tPLZ
3.9
1.3
8.5
1.3
7.8
1.1
7.7
1.4
7.6
tPHZ
4.7
1.1
7
1.4
6.9
1.2
6.9
1.7
7.1
DIR
B
ns
tPLZ
4.7
1.1
7
1.4
6.9
1.2
6.9
1.7
7.1
tPZH(1)
7.4
12.4
12.1
11.8
11.8
DIR
A
ns
tPZL(1)
7.4
12.4
12.1
11.8
11.8
tPZH(1)
6.7
13.9
11.6
9.1
7.8
DIR
B
ns
tPZL(1)
6.7
13.9
11.6
9.1
7.8
(1)
The enable time is a calculated value, derived using the formula shown in the enable times section.
6




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