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參數(shù)資料
| 型號： | LC540A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器/ 3司機態(tài)輸出 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 430K |
| 代理商： | LC540A |
www.ti.com
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
Recommended Operating Conditions
(1)
SN54LVC540A, SN74LVC540A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCAS297M–JANUARY 1993–REVISED MAY 2005
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
70
92
58
60
83
150
DB package
DGV package
DW package
NS package
PW 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 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.
(2)
(3)
(4)
SN54LVC540A
MIN
2
1.5
SN74LVC540A
MIN
1.65
1.5
0.65 × V
CC
1.7
2
UNIT
MAX
3.6
MAX
3.6
Operating
Data retention only
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
= 1.65 V to 1.95 V
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
Supply voltage
V
V
IH
High-level input voltage
V
2
0.35 × V
CC
V
IL
Low-level input voltage
0.7
0.8
5.5
V
CC
5.5
–4
–8
–12
–24
V
0.8
5.5
V
CC
5.5
V
I
Input voltage
0
0
0
0
0
0
V
High or low state
3-state
V
CC
= 1.65 V
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
V
CC
= 1.65 V
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
V
O
Output voltage
V
I
OH
High-level output current
mA
–12
–24
4
8
I
OL
Low-level output current
mA
12
24
12
24
85
T
A
Operating free-air temperature
–55
125
–40
°C
(1)
All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
3
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