M54HCT75 Просмотр технического описания (PDF) - STMicroelectronics
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M54HCT75 Datasheet PDF : 9 Pages
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M54/M74HCT75
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 4.5
tTHL Time
8
15
19
22
ns
tPLH Propagation
4.5
tPHL Delay Time
(DATA-Q)
18 28
35
42
ns
tPLH Propagation
4.5
tPHL Delay Time
(G-Q)
21 33
41
50
ns
tW(H) Minimum Pulse 4.5
Width (G)
8
15
19
22
ns
ts
Minimum Set-up 4.5
Time
4
10
13
15
ns
th
Minimum Hold
4.5
Time
5
5
8
ns
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
61
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 WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICSTEST.
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