参数资料
型号: SN74AVCH4T245DE4
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AVC SERIES, DUAL 2-BIT TRANSCEIVER, TRUE OUTPUT, PDSO16
封装: GREEN, PLASTIC, MS-012AC, SOIC-16
文件页数: 24/25页
文件大小: 904K
代理商: SN74AVCH4T245DE4
www.ti.com
Switching Characteristics
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (see Figure 1)
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
0.1
5.7
0.1
4.6
0.2
3.5
0.1
3.6
A
B
ns
tPHL
2.8
0.1
5.7
0.1
4.6
0.2
3.5
0.1
3.6
tPLH
2.7
0.6
4.2
0.4
3.9
0.2
3.4
0.2
3.3
B
A
ns
tPHL
2.7
0.6
4.2
0.4
3.9
0.2
3.4
0.2
3.3
tPZH
4
0.7
6.5
0.7
5.2
0.6
4.8
0.4
4.8
OE
A
ns
tPZL
4
0.7
6.5
0.7
5.2
0.6
4.8
0.4
4.8
tPZH
3.8
0.9
8.8
0.8
7
0.6
4.8
0.6
4
OE
B
ns
tPZL
3.8
0.9
8.8
0.8
7
0.6
4.8
0.6
4
tPHZ
4.7
1
8.4
1
8.4
1
6.2
1
6.6
OE
A
ns
tPLZ
4.7
1
8.4
1
8.4
1
6.2
1
6.6
tPHZ
4.5
1.5
9.4
1.3
8.2
1.1
6.2
0.9
5.2
OE
B
ns
tPLZ
4.5
1.5
8.8
1.3
8.2
1.1
6.2
0.9
5.2
over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (see Figure 1)
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
2.9
0.1
5.6
0.1
4.5
0.1
3.3
0.1
2.9
A
B
ns
tPHL
2.9
0.1
5.6
0.1
4.5
0.1
3.3
0.1
2.9
tPLH
2.6
0.6
4.2
0.4
3.4
0.2
3
0.1
2.8
B
A
ns
tPHL
2.6
0.6
4.2
0.4
3.4
0.2
3
0.1
2.8
tPZH
3.8
0.6
8.7
0.6
5.2
0.6
3.8
0.4
3.8
OE
A
ns
tPZL
3.8
0.6
8.7
0.6
5.2
0.6
3.8
0.4
3.8
tPZH
3.7
0.8
8.7
0.6
6.8
0.5
4.7
0.5
3.8
OE
B
ns
tPZL
3.7
0.8
8.7
0.6
6.8
0.5
4.7
0.5
3.8
tPHZ
4.8
0.7
9.3
0.7
8.3
0.7
5.6
0.7
6.6
OE
A
ns
tPLZ
4.8
0.7
9.3
0.7
8.3
0.7
5.6
0.7
6.6
tPHZ
5.3
1.4
9.3
1.2
8.1
1
6.4
0.8
6.2
OE
B
ns
tPLZ
5.3
1.4
9.3
1.2
8.1
1
6.4
0.8
6.2
8
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