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參數資料
| 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)器可配置電壓轉換和三態(tài)輸出 |
| 文件頁數： | 4/15頁 |
| 文件大小： | 358K |
| 代理商： | LDHT245 |
www.ti.com
Recommended Operating Conditions
(1)(2)(3)
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A–JULY 2005–REVISED AUGUST 2005
V
CCI
V
CCO
MIN
1.65
1.65
MAX
5.5
5.5
UNIT
V
CCA
V
CCB
Supply voltage
V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
V
CCI
×
0.65
1.7
High-level
input voltage
V
IH
Data inputs
(4)
V
2
V
CCI
×
0.7
V
CCI
×
0.35
0.7
0.8
Low-level
input voltage
V
IL
Data inputs
(4)
V
V
CCI
×
0.3
V
CCA
×
0.65
1.7
High-level
input voltage
Control inputs
(referenced to V
CCA
)
(5)
V
IH
V
2
V
CCA
×
0.7
V
CCA
×
0.35
0.7
0.8
Low-level
input voltage
Control inputs
(referenced to V
CCA
)
(5)
V
IL
V
V
CCA
×
0.3
V
I
Input voltage
Control inputs
Active state
3-State
0
0
0
5.5
V
V
CCO
5.5
V
I/O
Input/output voltage
V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
–4
–8
I
OH
High-level output current
mA
–24
–32
4
8
I
OL
Low-level output current
mA
24
32
20
20
10
5
85
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
4.5 V to 5.5 V
Input transition
rise or fall rate
t/
v
Data inputs
ns/V
T
A
Operating free-air temperature
–40
°C
(1)
(2)
(3)
V
CCI
is the V
CC
associated with the data input port.
V
is the V
associated with the output port.
All unused control inputs of the device must be held at V
GND to ensure proper device operation and minimize power consumption.
Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs,
literature number SCBA004.
For V
CCI
values not specified in the data sheet, V
IH
min = V
CCI
×
0.7 V, V
IL
max = V
CCI
×
0.3 V.
For V
CCA
values not specified in the data sheet, V
IH
min = V
CCA
×
0.7 V, V
IL
max = V
CCA
×
0.3 V.
(4)
(5)
4
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