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參數資料
| 型號： | 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次浮點運算態輸出 |
| 文件頁數： | 6/8頁 |
| 文件大小： | 192K |
| 代理商： | MC74ACT57N |
MC74AC57 MC74ACT574
5-6
FACT DATA
DC CHARACTERISTICS
Symbol
Parameter
(V)
74ACT
74ACT
Unit
Conditions
VCC
TA = +25
°
C
TA =
–40
°
C to +85
°
C
Typ
Guaranteed Limits
VIH
Minimum High Level
Input Voltage
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
VOUT = 0.1 V
or VCC – 0.1 V
VIL
Maximum Low Level
Input Voltage
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
VOUT = 0.1 V
or VCC – 0.1 V
VOH
Minimum High Level
Output Voltage
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
V
IOUT = –50
μ
A
*VIN = VIL or VIH
IOH
4.5
5.5
3.86
4.86
3.76
4.76
V
–24 mA
–24 mA
VOL
Maximum Low Level
Output Voltage
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
V
IOUT = 50
μ
A
*VIN = VIL or VIH
IOL
4.5
5.5
0.36
0.36
0.44
0.44
V
24 mA
24 mA
IIN
Maximum Input
Leakage Current
5.5
±
0.1
±
1.0
μ
A
VI = VCC, GND
ICCT
Additional Max. ICC/Input
5.5
0.6
1.5
mA
VI = VCC – 2.1 V
IOZ
Maximum
Current
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
3-State
5.5
±
0.5
±
5.0
μ
A
IOLD
Minimum Dynamic
Output Current
5.5
75
mA
IOHD
5.5
–75
mA
VOHD = 3.85 V Min
ICC
Maximum Quiescent
Supply Current
5.5
8.0
80
μ
A
VIN = VCC or GND
* All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS
(For Figures and Waveforms — See Section 3)
Symbol
Parameter
(V)
74ACT
74ACT
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
5.0
100
85
ns
3-3
tPLH
Propagation Delay
CP to On
Propagation Delay
CP to On
Output Enable Time
5.0
2.5
11
2.0
12
ns
3-6
tPHL
5.0
2.0
10
1.5
11
ns
3-6
tPZH
tPZL
tPHZ
tPLZ
5.0
2.0
9.5
1.5
10
ns
3-7
Output Enable Time
5.0
2.0
9.0
1.5
10
ns
3-8
Output Disable Time
5.0
2.0
10.5
1.5
11.5
ns
3-7
Output Disable Time
5.0
2.0
8.5
1.5
9.0
ns
3-8
* Voltage Range 5.0 V is 5.0 V
±
0.5 V.
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