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M54HC195 bảng dữ liệu(PDF) 7 Page - STMicroelectronics

tên linh kiện M54HC195
Giải thích chi tiết về linh kiện  8 BIT PIPO SHIFT REGISTER
PDF  13 Pages
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nhà sản xuất  STMICROELECTRONICS [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
115
ns
4.5
8
151923
6.0
7
131620
tPLH
tPHL
Propagation
Delay Time
(CLOCK- Qn, QD)
2.0
48
125
155
190
ns
4.5
16
25
31
38
6.0
14
21
26
32
tPLH
tPHL
Propagation
Delay Time
(CLEAR- Qn, QD)
2.0
45
120
150
180
ns
4.5
15
24
30
36
6.0
13
20
26
31
fMAX
Maximum Clock
Frequency
2.0
7.6
15
6
5
MHz
4.5
38
60
30
25
6.0
45
71
35
30
tW(H)
tW(L)
Minimum Pulse
Width
(CLOCK)
2.0
20
75
95
115
ns
4.5
5
151923
6.0
4
131620
tW(L)
Minimum Pulse
Width
(CLEAR)
2.0
20
75
95
115
ns
4.5
5
151923
6.0
4
131620
ts
Minimum Set-up
Time
(PI)
2.0
28
75
95
115
ns
4.5
7
151923
6.0
6
131620
ts
Minimum Set-up
Time
(J, K, S/L)
2.0
28
75
95
115
ns
4.5
7
151923
6.0
6
131620
th
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
tREM
Minimum
Removal Time
2.0
5
5
5
ns
4.5
5
5
5
6.0
5
5
5
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
72
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
M54/M74HC195
7/13



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