參數(shù)資料
型號： DM74LS298N
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Quad 2-Input AND Gate; Package: TSSOP; No of Pins: 14; Container: Rail
中文描述： LS SERIES, NEGATIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16
封裝： 0.300 INCH, PLASTIC, MS-001, DIP-16
文件頁數(shù)： 3/4頁
文件大?。?/td> 43K
代理商： DM74LS298N
3
www.fairchildsemi.com
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 range (unless otherwise noted)
Note 2:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 3:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Switching Characteristics
at V
CC
=
+
5V and T
A
=
+
25
°
C
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
7V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
°
C
V
CC
V
IH
V
IL
I
OH
I
OL
T
A
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
W
(H)
t
W
(L)
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Setup Time HIGH or LOW
S to CP
Hold Time HIGH or LOW
S to CP
Setup Time HIGH or LOW
I0
x
or I1
x
to CP
Hold Time HIGH or LOW
I0
x
or I1
x
to CP
CP Pulse Width HIGH or LOW
0.8
0.4
8
70
0
25
25
0
0
15
15
5.0
5.0
ns
ns
ns
ns
20
20
ns
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 2)
V
I
V
OH
V
OL
Input Clamp Voltage
HIGH Level Output Voltage
V
CC
=
Min, I
I
=
18 mA
V
CC
=
Min, I
OH
=
Max, V
IL
=
Max
V
CC
=
Min, I
OL
=
Max, V
IH
=
Min
I
OL
=
4 mA, V
CC
=
Min
V
CC
=
Max, V
I
=
7V, V
I
=
10V
V
CC
=
Max, V
I
=
2.7V
V
CC
=
Max, V
I
=
0.4V
V
CC
=
Max (Note 3)
V
CC
=
Max, I0
n
, I1
n
,
S
=
GND, CP
=
1.5
V
V
2.7
3.4
LOW Level Output Voltage
0.35
0.25
0.5
0.4
0.1
V
I
I
I
IH
I
IL
I
OS
I
CC
Input Current @ Max Input Voltage
mA
μ
A
mA
mA
HIGH Level Input Current
LOW Level Input Current
Short Circuit Output Current
20
0.4
100
20
Supply Current
21
mA
Symbol
Parameter
R
L
=
2 k
, C
L
=
15 pF
Min
Units
Max
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
CP to Q
n
Propagation Delay Time
HIGH-to-LOW Level Output
CP to Q
n
25
ns
t
PHL
25
ns
相關PDF資料
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