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參數(shù)資料
| 型號： | 74ALS540 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器和線路驅(qū)動器，三態(tài)輸出 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 512K |
| 代理商： | 74ALS540 |
SN54ALS541, SN74ALS540, SN74ALS541
OCTAL BUFFERS AND LINE DRIVERS
WITH 3-STATE OUTPUTS
SDAS025D
–
APRIL 1982
–
REVISED MARCH 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage, V
CC
Input voltage, V
I
Voltage applied to a disabled 3-state output
Package thermal impedance,
θ
JA
(see Note 1): DB package
7 V
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5 V
70
°
C/W
58
°
C/W
69
°
C/W
60
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
N package
Storage temperature range, T
stg
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.
NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.
–
65
°
C to 150
°
C
recommended operating conditions
SN54ALS541
SN74ALS540
SN74ALS541
UNIT
MIN
4.5
NOM
MAX
5.5
MIN
4.5
NOM
MAX
5.5
VCC
VIH
VIL
IOH
Supply voltage
5
5
V
High-level input voltage
2
2
V
Low-level input voltage
0.7
0.8
V
High-level output current
–
12
–
15
mA
IOL
Low level output current
Low-level output current
12
24
48
mA
TA
Applies only to the -1 version and only if VCC is between 4.75 V and 5.25 V
Operating free-air temperature
–
55
125
0
70
°
C
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