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參數(shù)資料
| 型號(hào)： | MC74AC299N |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8−Input Universal Shift/Storage Register with Common Parallel I/O Pins |
| 中文描述： | AC SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 268K |
| 代理商： | MC74AC299N |
MC74AC299, MC74ACT299
http://onsemi.com
4
DC CHARACTERISTICS
Symbol
Parameter
V
CC
(V)
74AC
74AC
Unit
Conditions
T
A
= +25
°
C
T
A
=
40
°
C to
+85
°
C
Typ
Guaranteed Limits
V
IH
Minimum High Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
V
OUT
= 0.1 V
or V
CC
0.1 V
V
V
IL
Maximum Low Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
OUT
= 0.1 V
or V
CC
0.1 V
V
V
OH
Minimum High Level
Output Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
I
OUT
=
50
μ
A
V
V
*V
IN
= V
IL
or V
IH
3.0
4.5
5.5
2.56
3.86
4.86
2.46
3.76
4.76
12 mA
24 mA
24 mA
I
OH
V
OL
Maximum Low Level
Output Voltage
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
I
OUT
= 50
μ
A
V
V
*V
IN
= V
IL
or V
IH
3.0
4.5
5.5
0.36
0.36
0.36
0.44
0.44
0.44
12 mA
24 mA
24 mA
I
OL
I
IN
Maximum Input
Leakage Current
5.5
±
0.1
±
1.0
μ
A
V
I
= V
CC
, GND
I
OZT
Maximum 3
State
Current
5.5
±
0.6
±
6.0
μ
A
V
I
(OE) = V
IL
, V
IH
V
I
= V
CC
, GND
V
O
= V
CC
, GND
I
OLD
Minimum Dynamic
Output Current
5.5
75
mA
V
OLD
= 1.65 V Max
I
OHD
5.5
75
mA
V
OHD
= 3.85 V Min
I
CC
Maximum Quiescent
Supply Current
5.5
8.0
80
μ
A
V
IN
= V
CC
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.
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
.
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
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
=
40
°
C
to +85
°
C
C
L
= 50 pF
Min
Typ
Max
Min
Max
f
max
Maximum Input
Frequency
3.3
5.0
90
130
80
105
MHz
3
3
t
PLH
Propagation Delay
CP to Q
0 or
Q
7
Propagation Delay
CP to Q
0 or
Q
7
3.3
5.0
8.5
5.5
20.5
14
7.0
4.5
22
15
ns
3
6
t
PHL
3.3
5.0
8.5
5.5
21.5
14.5
7.0
5.0
23
16
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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