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M54HC4040 Datasheet(PDF) 5 Page - STMicroelectronics

Part # M54HC4040
Description  RAD-HARD 12 STAGE BINARY COUNTER
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC4040 Datasheet(HTML) 5 Page - STMicroelectronics

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Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns)
Table 7: 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/2 (per FLIP/
FLOP)
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.
tTLH tTHL Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tPLH tPHL Propagation Delay
Time
(Qn - Qn+1)
2.0
20
50
65
75
ns
4.5
5
10
13
15
6.0
4
9
11
13
tPLH tPHL Propagation Delay
Time
(CLOCK Q1)
2.0
48
145
180
220
ns
4.5
17
29
36
44
6.0
13
25
31
38
tPHL
Propagation Delay
Time
(CLEAR - Qn)
2.0
56
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
fMAX
Maximum Clock
Frequency
2.0
6.0
15
4.8
4
MHz
4.5
30
652420
6.0
35
702824
tW(H)
tW(L)
Minimum Pulse
Width (CLOCK)
2.0
40
75
95
110
ns
4.5
8
15
19
22
6.0
7
13
16
19
tW(H)
Minimum Pulse
Width (CLEAR)
2.0
70
175
220
265
ns
4.5
19
35
44
53
6.0
16
30
37
45
tREM
Minimum Removal
Time
2.0
25
30
40
ns
4.5
5
6
8
6.0
5
5
7
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
34
pF



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