M74HC03 查看數據表（PDF） - STMicroelectronics
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M74HC03 Datasheet PDF : 9 Pages
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M54/M74HC03
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
tPLZ Propagation
Delay Time
2.0
4.5 RL = 1 KΩ
16 60
75
90
9
12
15
18
ns
6.0
8
10
13
15
tPZL Propagation
Delay Time
2.0
4.5 RL = 1 KΩ
23 60
75
90
7
12
15
18
ns
6.0
6
10
13
15
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
7
Capacitance
pF
(*) CPD 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 operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC/4 (per Gate)
TYPICAL APPLICATIONS
Wired AND
LED Driver with Blanking
W = Y1 Y2 ... Yn = A1B1 A2B2 ... AnBn = A1B1 + A2B2 +... + AnBn
ID = 10 : 20 mA
RD
=
VCC
−
VD
ID
−
VDS
=
5−
20
2
×
− 0.4
10−3
=
130
Ω
(*)
(*)260 Ω with ID = 10 mA
Typical values
VCC = 5V
VD = 2V
VDS = 0.4V
RD = 120 ÷ 270Ω
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