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參數(shù)資料
| 型號(hào)： | DM74S74N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear, and Complementary Outputs |
| 中文描述： | S SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-14 |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大小： | 50K |
| 代理商： | DM74S74N |
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
Note 2:
C
L
=
15 pF, R
L
=
280
, T
A
=
25
°
C and V
CC
=
5V.
Note 3:
C
L
=
50 pF, R
L
=
280
, T
A
=
25
°
C and V
CC
=
5V.
Note 4:
The symbol (
↑
) indicates the rising edge at the clock pulse is used for reference.
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
5.5V
0
°
C to
+
70
°
C
°
C to
+
150
°
C
Symbol
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
MHz
MHz
V
CC
V
IH
V
IL
I
OH
I
OL
f
CLK
f
CLK
t
W
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Clock Frequency (Note 2)
Clock Frequency (Note 3)
Pulse Width
(Note 2)
0.8
1
20
75
65
0
0
6
110
95
Clock HIGH
Clock LOW
Clear LOW
Preset LOW
Clock HIGH
Clock LOW
Clear LOW
Preset LOW
7.3
7
7
8
9
9
9
3
↑
3
↑
2
↑
2
↑
0
ns
t
W
Pulse Width
(Note 3)
ns
t
SU
t
SU
t
H
t
H
T
A
Setup Time (Note 2)(Note 4)
Setup Time (Note 3)(Note 4)
Input Hold Time (Note 2)(Note 4)
Input Hold Time (Note 3)(Note 4)
Free Air Operating Temperature
ns
ns
ns
ns
°
C
70
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