M74HC75 Просмотр технического описания (PDF) - STMicroelectronics
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M74HC75 Datasheet PDF : 9 Pages
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M54/M74HC75
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
25 75
7
15
95
110
19
22
ns
6.0
6
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(DATA-Q)
6.0
36 110
140
165
12 22
28
33
ns
10 19
24
28
tPLH Propagation
2.0
tPHL Delay Time
4.5
(G-Q)
6.0
40 125
155
190
13 25
31
38
ns
11 21
26
32
tW(H) Minimum Pulse 2.0
Width (G)
4.5
18 75
6
15
95
110
19
22
ns
6.0
6
13
16
19
ts
Minimum Set-up 2.0
Time
4.5
50
65
75
10
13
15
ns
6.0
9
11
13
th
Minimum Hold
2.0
Time
4.5
25
30
40
5
6
8
ns
6.0
4
5
7
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
30
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 SAVE AS THAT IN CASE OF
SWITCHING CHARACTERISTICSTEST.
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