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參數(shù)資料
| 型號(hào)： | MC74ACT57N |
| 廠商： | Motorola, Inc. |
| 英文描述： | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| 中文描述： | 八路D型倒裝3次浮點(diǎn)運(yùn)算態(tài)輸出 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 192K |
| 代理商： | MC74ACT57N |
MC74AC57 MC74ACT574
5-5
FACT DATA
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74AC
74AC
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Min
Typ
Max
Min
Max
fmax
Maximum Clock
Frequency
3.3
5.0
75
95
60
85
MHz
3-3
tPLH
Propagation Delay
CP to On
Propagation Delay
CP to On
3.3
5.0
3.5
2.0
13.5
9.5
3.5
2.0
15
11
ns
3-6
tPHL
3.3
5.0
3.5
2.0
12
8.5
3.5
2.0
13.5
9.5
ns
3-6
tPZH
Output Enable Time
3.3
5.0
2.5
2.0
11
8.5
2.5
2.0
12
9.0
ns
3-7
tPZL
Output Enable Time
3.3
5.0
3.0
1.5
10.5
8.0
3.5
2.0
11.5
9.0
ns
3-8
tPHZ
Output Disable Time
3.3
5.0
4.0
2.0
12
9.5
4.5
2.0
13
10.5
ns
3-7
tPLZ
Output Disable Time
3.3
5.0
2.0
1.5
9.0
7.5
2.5
1.5
10
8.5
ns
3-8
* 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)
74AC
74AC
Unit
No.
VCC*
TA = +25
°
C
CL = 50 pF
TA = –40
°
C
to +85
°
C
CL = 50 pF
Fig.
Typ
Guaranteed Minimum
ts
Setup Time, HIGH or LOW
Dn to CP
Hold Time, HIGH or LOW
Dn to CP
CP Pulse Width
HIGH or LOW
3.3
5.0
2.5
1.5
3.0
2.0
ns
3-9
th
3.3
5.0
1.5
1.5
1.5
1.5
ns
3-9
tw
3.3
5.0
6.0
4.0
7.0
5.0
ns
3-6
* 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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