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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 3/15頁(yè) |
| 文件大?。?/td> | 358K |
| 代理商： | LDHT245 |
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To Seven Other Channels
1DIR
1A1
1B1
1OE
To Seven Other Channels
2DIR
2A1
2B1
2OE
1
47
24
36
48
2
25
13
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A–JULY 2005–REVISED AUGUST 2005
LOGIC DIAGRAM (POSITIVE LOGIC)
MIN
MAX
UNIT
V
CCA
V
CCB
Supply voltage range
–0.5
6.5
V
I/O ports (A port)
I/O ports (B port)
Control inputs
A port
B port
A port
B port
V
I
< 0
V
O
< 0
–0.5
–0.5
–0.5
–0.5
–0.5
–0.5 V
CCA
+ 0.5
–0.5 V
CCB
+ 0.5
6.5
6.5
6.5
6.5
6.5
V
I
Input voltage range
(2)
V
V
O
Voltage range applied to any output
in the high-impedance or power-off state
(2)
V
V
O
Voltage range applied to any output in the high or low state
(2)(3)
V
I
IK
I
OK
I
O
Input clamp current
Output clamp current
Continuous output current
Continuous current through each V
CCA
, V
CCB
, and GND
–50
–50
±
50
±
100
70
58
28
150
mA
mA
mA
mA
DGG package
DGV package
GQL/ZQL package
θ
JA
Package thermal impedance
(4)
°C/W
T
stg
Storage temperature range
–65
°C
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.
The output positive-voltage rating may be exceeded up to 6.5 V maximum if the output current rating is observed.
The package thermal impedance is calculated in accordance with JESD 51-7.
(2)
(3)
(4)
3
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