參數(shù)資料
型號: DM74ALS125
廠商: Fairchild Semiconductor Corporation
英文描述: Quad 3-STATE Buffer
中文描述: 四三態(tài)緩沖器
文件頁數(shù): 2/5頁
文件大小: 51K
代理商: DM74ALS125
www.fairchildsemi.com
2
D
Absolute Maximum Ratings
(Note 1)
Note 1:
The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Electrical Characteristics
over recommended operating free air temperature (unless otherwise specified)
Symbol
Parameter
Supply Voltage, V
CC
Input Voltage
Voltage Applied to Disabled Output
Operating Free Air Temperature Range
Storage Temperature Range
Typical
θ
JA
N Package
M Package
7V
7V
5.5V
0 to
+
70
°
C
65
°
C to
+
150
°
C
78.0
°
C/W
111.0
°
C/W
Symbol
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
Parameter
Min
4.5
2
Typ
5
Max
5.5
Units
V
V
V
mA
mA
°
C
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Operating Free-Air Temperature
0.8
15
24
70
0
Conditions
Min
Typ
Max
Units
V
IK
V
OH
Input Clamp Voltage
V
CC
=
4.5V, I
I
=
18 mA
V
CC
=
4.5V to 5.5V
V
CC
=
4.5V
1.5
V
HIGH Level
Output Voltage
I
OH
=
0.4 mA
I
OH
=
3 mA
I
OH
=
Max
I
OL
=
12 mA
I
OL
=
24 mA
V
CC
2
2.4
2
V
V
V
V
OL
LOW Level
Output Voltage
V
CC
=
4.5V
0.25
0.35
0.4
0.5
V
V
I
I
Input Current at Max
Input Voltage
HIGH Level
V
CC
=
5.5V, V
I
=
7V
0.1
mA
I
IH
V
CC
=
5.5V, V
I
=
2.7V
20
μ
A
Input Current
LOW Level
Input Current
I
IL
V
CC
=
5.5V, V
IL
=
0.4V
0.1
mA
I
O
Output Drive
Current
HIGH Level 3-STATE
V
CC
=
5.5V, V
O
=
2.25V
30
112
mA
I
OZH
V
CC
=
5.5V, V
O
=
2.7V
20
μ
A
Output Current
LOW Level 3-STATE
Output Current
I
OZL
V
CC
=
5.5V, V
O
=
0.4V
20
μ
A
I
CC
Supply Current
V
CC
=
5.5V
Outputs HIGH
Outputs LOW
3-STATE
7
10
13.5
10
14
18
mA
mA
mA
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