参数资料
型号: SN74AVCH20T245GR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AVC SERIES, DUAL 10-BIT TRANSCEIVER, TRUE OUTPUT, PDSO56
封装: GREEN, PLASTIC, TSSOP-56
文件页数: 20/21页
文件大小: 601K
代理商: SN74AVCH20T245GR
SN74AVCH20T245
20BIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES567F MAY 2004 REVISED APRIL 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCCA = 2.5 V ± 0.2 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
3.5
0.5
5.8
0.5
4.7
0.5
3.5
0.5
3
ns
tPHL
A
B
3.5
0.5
5.8
0.5
4.7
0.5
3.5
0.5
3
ns
tPLH
B
A
2.7
0.5
4.3
0.5
3.9
0.5
3.5
0.5
3.4
ns
tPHL
B
A
2.7
0.5
4.3
0.5
3.9
0.5
3.5
0.5
3.4
ns
tPZH
OE
A
2.5
0.5
5.4
0.5
5.3
0.5
5.2
0.5
5.2
ns
tPZL
OE
A
2.5
0.5
5.4
0.5
5.3
0.5
5.2
0.5
5.2
ns
tPZH
OE
B
4.8
0.5
9.6
0.5
7.6
0.5
5.3
0.5
4.3
ns
tPZL
OE
B
4.8
0.5
9.6
0.5
7.6
0.5
5.3
0.5
4.3
ns
tPHZ
OE
A
3
1.1
5.2
1.1
5.2
1.1
5.2
1.1
5.2
ns
tPLZ
OE
A
3
1.1
5.2
1.1
5.2
1.1
5.2
1.1
5.2
ns
tPHZ
OE
B
4.7
1.2
8.2
1.2
6.9
1
5.3
1
5
ns
tPLZ
OE
B
4.7
1.2
8.2
1.2
6.9
1
5.3
1
5
ns
switching characteristics over recommended operating free-air temperature range,
VCCA = 3.3 V ± 0.3 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
3.4
0.5
5.7
0.5
4.6
0.5
3.4
0.5
2.9
ns
tPHL
A
B
3.4
0.5
5.7
0.5
4.6
0.5
3.4
0.5
2.9
ns
tPLH
B
A
3.3
0.5
3.9
0.5
3.5
0.5
3
0.5
2.9
ns
tPHL
B
A
3.3
0.5
3.9
0.5
3.5
0.5
3
0.5
2.9
ns
tPZH
OE
A
2.2
0.5
4.4
0.5
4.3
0.5
4.2
0.5
4.1
ns
tPZL
OE
A
2.2
0.5
4.4
0.5
4.3
0.5
4.2
0.5
4.1
ns
tPZH
OE
B
4.7
1
9.6
0.5
7.5
0.5
5.1
0.5
4.1
ns
tPZL
OE
B
4.7
1
9.6
0.5
7.5
0.5
5.1
0.5
4.1
ns
tPHZ
OE
A
3.4
0.8
5
0.8
5
0.8
5
0.8
5
ns
tPLZ
OE
A
3.4
0.8
5
0.8
5
0.8
5
0.8
5
ns
tPHZ
OE
B
4.6
1.2
8.1
1.2
6.7
1
5.1
0.8
5
ns
tPLZ
OE
B
4.6
1.2
8.1
1.2
6.7
1
5.1
0.8
5
ns
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