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參數(shù)資料
| 型號(hào)： | LDHT245 |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS |
| 中文描述： | 16位雙電源總線(xiàn)收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 6/15頁(yè) |
| 文件大?。?/td> | 358K |
| 代理商： | LDHT245 |
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Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 1.8 V
±
0.15 V (unless otherwise noted) (see
Figure 1
)
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 2.5 V
±
0.2 V (unless otherwise noted) (see
Figure 1
)
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A–JULY 2005–REVISED AUGUST 2005
Electrical Characteristics (continued)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
DIR at V
– 0.6 V,
B port = open,
A port at V
CCA
or GND
V
CCA
V
CCB
MIN
TYP
MAX
MIN
MAX
UNIT
I
CCA
DIR
3 V to 5.5 V
3 V to 5.5 V
50
μ
A
Control
inputs
A or B
port
C
i
V
I
= V
CCA
or GND
3.3 V
3.3 V
4
5
pF
C
io
V
O
= V
CCA/B
or GND
3.3 V
3.3 V
8.5
10
pF
V
CCB
= 1.8 V
0.15 V
MIN
V
CCB
= 2.5 V
0.2 V
MIN
V
CCB
= 3.3 V
0.3 V
MIN
V
CCB
= 5 V
0.5 V
MIN
FROM
(INPUT)
TO
PARAMETER
UNIT
(OUTPUT)
MAX
MAX
MAX
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PHZ
t
PLZ
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PZH
t
PZL
A
B
1.7
21.9
1.3
9.2
1
7.4
0.4
7.1
ns
B
A
0.9
23.8
0.8
23.8
0.7
23.4
0.7
23.4
ns
OE
A
1.5
29.6
1.5
29.4
1.5
29.3
1.4
29.2
ns
OE
B
2.4
32.2
1.9
13.1
1.7
12
1.3
10.3
ns
OE
A
0.4
24
0.4
23.8
0.4
23.7
0.4
23.7
ns
OE
B
1.8
32
1.5
18
1.2
12.6
0.9
10.8
ns
V
CCB
= 1.8 V
0.15 V
MIN
V
CCB
= 2.5 V
0.2 V
MIN
V
CCB
= 3.3 V
0.3 V
MIN
V
CCB
= 5 V
0.5 V
MIN
FROM
(INPUT)
TO
PARAMETER
UNIT
(OUTPUT)
MAX
MAX
MAX
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PHZ
t
PLZ
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PZH
t
PZL
A
B
1.5
21.4
1.2
9
0.8
6.2
0.6
4.8
ns
B
A
1.2
9.3
1
9.1
1
8.9
0.9
8.8
ns
OE
A
1.4
9
1.4
9
1.4
9
1.4
9
ns
OE
B
2.3
29.6
1.8
11
1.7
9.3
0.9
6.9
ns
OE
A
1
10.9
1
10.9
1
10.9
1
10.9
ns
OE
B
1.7
28.2
1.5
12.9
1.2
9.4
1
6.9
ns
6
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