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M54HC4028 데이터 시트보기 (PDF) - STMicroelectronics

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M54HC4028
STMICROELECTRONICS
STMicroelectronics STMICROELECTRONICS
M54HC4028 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
M 54/ M74H C4028
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
tPLH Propagation
2.0
tPHL Delay Time
4.5
96 185
230
280
24 37
46
56
ns
6.0
20 31
39
48
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
39
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
SWITCHING CHARACTERISTICS TEST
WAVEFORM
TEST CIRCUIT ICC (Opr.)
INPUT TRANSITION TIME IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICSTEST.
5/10

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