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M74HC77 データシート(PDF) 5 Page - STMicroelectronics

部品番号 M74HC77
部品情報  4-BIT D-TYPE LATCH
PDF  10 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC77 データシート(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
(DATA - Q)
2.0
39
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
tPLH
tPHL
Propagation
Delay Time
(G - Q)
2.0
39
100
125
150
ns
4.5
13
20
25
30
6.0
11
17
21
26
tW(H)
Minimum Pulse
Width
(G)
2.0
15
75
95
110
ns
4.5
6
151922
6.0
6
131619
ts
Minimum Set-up
Time
2.0
15
50
65
75
ns
4.5
3
101315
6.0
3
9
11
13
th
Minimum Hold
Time
2.0
25
30
40
ns
4.5
5
6
8
6.0
4
5
7
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
20
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 THE SAVE AS THAT INCASE OF SWITCH-
ING CHARACTERISTICS TEST.
M54/M74HC77
5/10



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