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74AVC20T245DGGRE4 Datasheet(Hoja de datos) 6 Page - Texas Instruments

No. de Pieza. 74AVC20T245DGGRE4
Descripción  20 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
Descarga  19 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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SN74AVC20T245
20BIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES566F − MAY 2004 − REVISED APRIL 2005
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.2 V (see Figure 1)
PARAMETER
FROM
TO
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TYP
TYP
TYP
TYP
TYP
UNIT
tPLH
A
B
3.8
3.1
2.8
2.7
3.3
ns
tPHL
A
B
3.8
3.1
2.8
2.7
3.3
ns
tPLH
B
A
4.1
3.8
3.6
3.5
3.4
ns
tPHL
B
A
4.1
3.8
3.6
3.5
3.4
ns
tPZH
OE
A
6.5
6.5
6.5
6.5
6.5
ns
tPZL
OE
A
6.5
6.5
6.5
6.5
6.5
ns
tPZH
OE
B
5.6
4.4
3.8
3.3
3.2
ns
tPZL
OE
B
5.6
4.4
3.8
3.3
3.2
ns
tPHZ
OE
A
6.4
6.4
6.4
6.4
6.4
ns
tPLZ
OE
A
6.4
6.4
6.4
6.4
6.4
ns
tPHZ
OE
B
5.7
4.6
4.7
4.1
5.4
ns
tPLZ
OE
B
5.7
4.6
4.7
4.1
5.4
ns
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.5 V ± 0.1 V (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCCB = 1.2 V
VCCB = 1.5 V
± 0.1 V
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
B
3.8
0.5
6.4
0.5
5.4
0.5
4.3
0.5
3.9
ns
tPHL
A
B
3.8
0.5
6.4
0.5
5.4
0.5
4.3
0.5
3.9
ns
tPLH
B
A
3.1
0.5
6.4
0.5
6.1
0.5
5.8
0.5
5.7
ns
tPHL
B
A
3.1
0.5
6.4
0.5
6.1
0.5
5.8
0.5
5.7
ns
tPZH
OE
A
4.3
1.5
10.3
1.5
10.3
1.5
10.2
1.5
10.2
ns
tPZL
OE
A
4.3
1.5
10.3
1.5
10.3
1.5
10.2
1.5
10.2
ns
tPZH
OE
B
5.2
1
10.3
1
8.4
0.5
6.1
0.5
5.3
ns
tPZL
OE
B
5.2
1
10.3
1
8.4
0.5
6.1
0.5
5.3
ns
tPHZ
OE
A
4.5
2
9
2
9
2
9
2
9
ns
tPLZ
OE
A
4.5
2
9
2
9
2
9
2
9
ns
tPHZ
OE
B
5.1
1.5
9
1.5
7.8
1
6.4
1
5.9
ns
tPLZ
OE
B
5.1
1.5
9
1.5
7.8
1
6.4
1
5.9
ns




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