M54HC77 データシートの表示（PDF） - STMicroelectronics
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M54HC77 Datasheet PDF : 10 Pages
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M54/M74HC77
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
(DATA - Q)
6.0
39 100
125
150
13 20
25
30
ns
11 17
21
26
tPLH Propagation
2.0
tPHL Delay Time
4.5
(G - Q)
6.0
39 100
125
150
13 20
25
30
ns
11 17
21
26
tW(H) Minimum Pulse 2.0
Width
4.5
(G)
6.0
15 75
6
15
6
13
95
110
19
22
ns
16
19
ts
Minimum Set-up 2.0
Time
4.5
15 50
65
75
3
10
13
15
ns
6.0
3
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
20
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 FLIP/FLOP)
SWITCHING CHARACTERISTICS TEST
WAVEFORM
TEST CIRCUIT ICC (Opr)
INPUTWAVEFORMIS THESAVE AS THAT INCASE OFSWITCH-
ING CHARACTERISTICS TEST.
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