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M54HC273 数据表(PDF) 5 Page - STMicroelectronics

部件名 M54HC273
功能描述  RAD-HARD OCTAL D TYPE FLIP FLOP WITH CLEAR
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M54HC273 数据表(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr =tf =6ns)
CAPACITIVE CHARACTERISTICS
1) 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 operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC/8 (per FLIP
FLOP), and the total CPD when n pcs of FLIP FLOP operate can be gained by the following equations: CPD (total) = 32 + 11 x n
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH tTHL Output Transition
Time
2.0
25
75
95
110
ns
4.5
7
15
19
22
6.0
6
13
16
19
tPLH tPHL Propagation Delay
Time
(CLOCK - Q)
2.0
54
145
180
220
ns
4.5
18
29
36
44
6.0
15
25
31
37
tPHL
Propagation Delay
Time
(CLEAR -Q)
2.0
60
160
200
240
ns
4.5
20
32
40
48
6.0
17
27
34
41
fMAX
Maximum Clock
Frequency
2.0
6
18
4.8
4
MHz
4.5
30
562420
6.0
35
662824
tW(H)
tW(L)
Minimum Pulse
Width (CLOCK)
2.0
28
75
95
110
ns
4.5
7
15
19
22
6.0
6
13
16
19
tW(L)
Minimum Pulse
Width (CLEAR)
2.0
28
75
95
110
ns
4.5
7
15
19
22
6.0
6
13
16
19
ts
Minimum Set-up
Time
2.0
20
75
95
110
ns
4.5
4
15
19
22
6.0
3
13
16
19
th
Minimum Hold
Time
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
tREM
Minimum Removal
Time (CLEAR)
2.0
16
50
65
75
ns
4.5
4
10
13
15
6.0
3
9
11
13
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
CIN
Input Capacitance
5.0
5
10
10
10
pF
CPD
Power Dissipation
Capacitance
(note 1)
5.0
43
pF



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