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參數(shù)資料
| 型號： | LER245A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 628K |
| 代理商： | LER245A |
www.ti.com
DIR
OE
A1
B1
To Seven Other Channels
1
2
19
18
Pin numbers shown are for the DB, DBQ, DGV, DW, NS, PW, and RGY packages.
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
SN74LVCR2245A
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS581M–NOVEMBER 1996–REVISED MARCH 2005
LOGIC DIAGRAM (POSITIVE LOGIC)
MIN
–0.5
–0.5
–0.5
–0.5
MAX
6.5
6.5
6.5
UNIT
V
V
V
V
mA
mA
mA
mA
V
CC
V
I
V
O
V
O
I
IK
I
OK
I
O
Supply voltage range
Input voltage range
(2)
Voltage range applied to any output in the high-impedance or power-off state
(2)
Voltage range applied to any output in the high or low state
(2)(3)
Input clamp current
Output clamp current
Continuous output current
Continuous current through V
CC
or GND
V
CC
+ 0.5
V
I
< 0
V
O
< 0
–50
–50
±
50
±
100
DB package
(4)
DBQ package
(4)
DGV package
(4)
DW package
(4)
GQN/ZQN package
(4)
NS package
(4)
PW package
(4)
RGY package
(5)
70
68
92
58
78
60
83
37
θ
JA
Package thermal impedance
°
C/W
T
stg
Storage temperature range
–65
150
°
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 negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
The value of V
is provided in the recommended operating conditions table.
The package thermal impedance is calculated in accordance with JESD 51-7.
The package thermal impedance is calculated in accordance with JESD 51-5.
(2)
(3)
(4)
(5)
3
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