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| 型號： | MC74AC273NG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal D Flip−Flop |
| 中文描述： | AC SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP20 |
| 封裝： | LEAD FREE, PLASTIC, DIP-20 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 120K |
| 代理商： | MC74AC273NG |
MC74AC273, MC74ACT273
http://onsemi.com
3
DC CHARACTERISTICS
Symbol
Parameter
V
CC
(V)
74AC
74AC
Unit
Conditions
T
A
= +25
°
C
Typ
1.5
2.25
2.75
T
A
= 40
°
C to +85
°
C
Guaranteed Limits
V
IH
Minimum High Level Input Voltage
3.0
4.5
5.5
2.1
3.15
3.85
2.1
3.15
3.85
V
V
= 0.1 V
or V
CC
0.1 V
V
IL
Maximum Low Level Input Voltage
3.0
4.5
5.5
3.0
4.5
5.5
1.5
2.25
2.75
2.99
4.49
5.49
0.9
1.35
1.65
2.9
4.4
5.4
0.9
1.35
1.65
2.9
4.4
5.4
V
V
= 0.1 V
or V
CC
0.1 V
V
OH
Minimum High Level Output Voltage
V
I
OUT
= 50 A
3.0
4.5
5.5
3.0
4.5
5.5
2.56
3.86
4.86
0.1
0.1
0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
*V
IN
= V
IL
or V
IH
12 mA
24 mA
24 mA
I
OH
V
OL
Maximum Low Level Output Voltage
0.002
0.001
0.001
V
I
OUT
= 50 A
3.0
4.5
5.5
0.36
0.36
0.36
±
0.1
0.44
0.44
0.44
±
1.0
75
75
V
*V
IN
= V
IL
or V
IH
12 mA
24 mA
24 mA
I
OL
I
IN
I
OLD
I
OHD
Maximum Input Leakage Current
Minimum Dynamic Output Current
5.5
5.5
5.5
A
V
I
= V
CC
, GND
V
OLD
= 1.65 V Max
V
OHD
= 3.85 V Min
mA
I
CC
Maximum Quiescent Supply Current
*All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
NOTE:
Note: I
IN
and I
CC
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
CC
.
5.5
8.0
80
A
V
IN
= V
CC
or GND
AC CHARACTERISTICS
(For Figures and Waveforms See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Figure
No.
T
A
= +25
°
C C
L
= 50 pF
Min
Typ
90
140
175
4.0
3.0
5.5
4.0
3.0
5.0
4.0
3.0
5.0
T
A
= 40
°
C to +85
°
C C
L
= 50 pF
Min
75
125
3.0
2.5
3.5
2.5
3.5
2.5
Max
12.5
9.0
13.0
10.0
13.0
10.0
Max
14.0
10.0
14.5
11.0
14.0
10.5
f
max
Maximum Clock
Frequency
Propagation Delay
Clock to Output
Propagation Delay
Clock to Output
Propagation Delay
MR to Output
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
125
Mhz
33
t
PLH
7.0
ns
36
t
PHL
7.0
ns
36
t
PHL
7.0
ns
36
*Voltage Range 3.3 V is 3.3 V
±
0.3 V. Voltage Range 5.0 V is 5.0 V
±
0.5 V.
AC OPERATING REQUIREMENTS
Symbol
Parameter
V
CC
*
(V)
74AC
74AC
Unit
Figure
No.
T
A
= +25
°
C C
L
= 50 pF
Typ
3.5
2.5
2.0
1.0
3.5
2.5
2.0
1.5
1.5
1.0
T
A
= 40
°
C to +85
°
C C
L
= 50 pF
Guaranteed Minimum
6.0
4.5
t
s
Setup Time, HIGH or LOW
Data to CP
Hold Time, HIGH or LOW
Data to CP
Clock Pulse Width
HIGH or LOW
MR Pulse Width
HIGH or LOW
Recovery Time
MR to CP
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
5.5
4.0
0
1.0
5.5
4.0
5.5
4.0
3.5
2.0
ns
39
t
h
0
1.0
6.0
4.5
6.0
4.5
4.5
3.0
ns
39
t
w
ns
36
t
w
ns
36
t
rec
ns
39
*Voltage Range 3.3 V is 3.3 V
±
0.3 V. Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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