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參數(shù)資料
| 型號： | LDHT245 |
| 廠商： | 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位雙電源總線收發(fā)器可配置電壓轉(zhuǎn)換和三態(tài)輸出 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 358K |
| 代理商： | LDHT245 |
www.ti.com
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 3.3 V
±
0.3 V (unless otherwise noted) (see
Figure 1
)
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 5 V
±
0.5 V (unless otherwise noted) (see
Figure 1
)
Operating Characteristics
T
A
= 25°C
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A–JULY 2005–REVISED AUGUST 2005
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
1.6
21.2
1.1
8.8
0.8
6.2
0.6
4.4
ns
B
A
0.8
7.2
0.8
6.2
0.7
6.1
0.6
6
ns
OE
A
1.6
8.2
1.6
8.2
1.6
8.2
1.6
8.2
ns
OE
B
2.1
29
1.7
10.3
1.5
8.8
0.8
6.3
ns
OE
A
0.8
7.8
0.8
8.1
0.8
8.1
0.8
8.1
ns
OE
B
1.8
27.7
1.4
12.4
1.1
8.5
0.8
6.4
ns
V
CC
= 1.8 V
0.15 V
MIN
V
CC
= 2.5 V
±
0.2 V
MIN
V
CC
= 3.3 V
±
0.3 V
MIN
V
CC
= 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
8.8
0.7
6
0.4
4.2
ns
B
A
0.7
7
0.4
4.8
0.3
4.5
0.3
4.3
ns
OE
A
0.3
5.4
0.3
5.4
0.3
5.4
0.3
5.4
ns
OE
B
2
28.7
1.8
9.7
1.4
8
0.7
5.7
ns
OE
A
0.7
6.4
0.7
6.4
0.7
6.4
0.7
6.4
ns
OE
B
1.5
27.6
1.3
11.4
1
8.1
0.9
6
ns
V
CCA
=
V
CCB
TYP
2
18
18
2
V
CCA
=
V
CCB
TYP
2
19
19
2
V
CCA
=
V
CCB
TYP
2
19
20
2
V
CCA
=
V
CCB
= 5 V
TYP
3
22
22
2
TEST
PARAMETER
UNIT
CONDITIONS
A-port input, B-port output
B-port input, A-port output
A-port input, B-port output
B-port input, A-port output
C
pdA(1)
C
= 0,
f = 10 MHz,
t
r
= t
f
= 1 ns
pF
C
pdB(1)
(1)
Power dissipation capacitance per transceiver
7
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