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參數(shù)資料
| 型號： | M74HC21TTR |
| 廠商： | 意法半導體 |
| 英文描述： | DUAL 4-INPUT AND GATE |
| 中文描述： | 雙4輸入與門 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 193K |
| 代理商： | M74HC21TTR |
M74HC21
3/8
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6ns)
CAPACITIVE CHARACTERISTICS
1) C
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/4 (per gate)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
IL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
V
V
OH
High Level Output
Voltage
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-4.0 mA
I
O
=-5.2 mA
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=4.0 mA
I
O
=5.2 mA
1.9
4.4
5.9
4.18
5.68
2.0
4.5
6.0
4.31
5.8
0.0
0.0
0.0
0.17
0.18
1.9
4.4
5.9
4.13
5.63
1.9
4.4
5.9
4.10
5.60
V
V
OL
Low Level Output
Voltage
0.1
0.1
0.1
0.26
0.26
0.1
0.1
0.1
0.33
0.33
0.1
0.1
0.1
0.40
0.40
V
I
I
Input Leakage
Current
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
±
0.1
±
1
±
1
μ
A
I
CC
6.0
V
I
= V
CC
or GND
1
10
20
μ
A
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
30
8
7
40
13
11
75
15
13
100
20
17
95
19
16
125
25
21
110
22
19
150
30
26
ns
t
PLH
t
PHL
Propagation Delay
Time
ns
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note
1)
5.0
5
10
10
10
pF
5.0
25
pF
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