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74VHC74 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 74VHC74
상세설명  DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74VHC74 데이터시트(HTML) 4 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3 ns)
Symb ol
Parameter
Test Co nditi on
Val ue
Un it
VCC
(V)
CL
(pF )
TA =25
oC
-40 to 85
oC
Min.
Typ .
Max.
Min .
Max.
tPLH
tPHL
Propagation Delay
Time
CK to Q or Q
3.3
(*)
15
6.7
11.9
1.0
14.0
ns
3.3
(*)
50
9.2
15.4
1.0
17.5
5.0
(**)
15
4.6
7.3
1.0
8.5
5.0
(**)
50
6.1
9.3
1.0
10.5
tPLH
tPHL
Propagation Delay
Time
PR or CLR to Q or Q
3.3
(*)
15
7.6
12.3
1.0
14.5
ns
3.3
(*)
50
10.1
15.8
1.0
18.0
5.0
(**)
15
4.8
7.7
1.0
9.0
5.0
(**)
50
6.3
9.7
1.0
11.0
tw
CK Pulse Width
HIGH or LOW
3.3
(*)
6.0
7.0
ns
5.0
(**)
5.0
5.0
tw
PR or CLR Pulse
Width LOW
3.3
(*)
6.0
7.0
ns
5.0
(**)
5.0
5.0
ts
Setup Time D to CK
HIGH or LOW
3.3
(*)
6.0
7.0
ns
5.0
(**)
5.0
5.0
th
Hold Time D to CK
HIGH or LOW
3.3
(*)
0.5
0.5
ns
5.0
(**)
0.5
0.5
tREM
Removal Time CLR or
PR to CK
3.3
(*)
5.0
5.0
ns
5.0
(**)
3.0
3.0
fMAX
Maximum Clock
Frequency
3.3
(*)
15
80
125
70
MHz
3.3
(*)
50
50
75
45
5.0
(**)
15
130
170
110
5.0
(**)
50
90
115
75
(*) Voltage range is 3.3V
± 0.3V
(**) Voltage range is 5V
± 0.5V
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Co nditi ons
Valu e
Un it
VCC
(V)
TA =25
oC
-40 to 85
oC
Min.
T yp.
Max.
Mi n.
Max.
CIN
Input Capacitance
3.3
410
10
pF
CPD
Power Dissipation
Capacitance (note 1)
3.3
fIN = 10 MHz
25
pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operting current can be obtained by the following equation. ICC(opr) = CPD
• VCC • fIN +ICC/2(per Flip-Fliop)
74VHC74
4/10



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