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M74HC40103 Datasheet(PDF) 6 Page - STMicroelectronics

Part # M74HC40103
Description  8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTER
PDF  16 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC40103 Datasheet(HTML) 6 Page - STMicroelectronics

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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 x VCC x fIN + ICC
fMAX
Maximum Clock
Frequency
2.0
4
8
3
2.6
MHz
4.5
20
32
16
13
6.0
24
38
19
15
tW
Clock Pulse Width
HIGH or LOW
2.0
150
20
195
235
ns
4.5
30
7
36
45
6.0
25
5
32
40
tW
CLEAR Pulse
Width LOW
2.0
115
35
140
175
ns
4.5
20
12
28
35
6.0
19
10
24
30
tW
Preset Enable
Pulse Width APE,
LOW
2.0
115
31
140
175
ns
4.5
20
11
28
35
6.0
19
9
24
30
tREM
Removal time
CLEAR to CLOCK
or APE to CLOCK
2.0
47
12
62
70
ns
4.5
9
4
12
13
6.0
8
3
10
11
tSETUP
Set Up Time SPE
to CLOCK
2.0
70
20
90
110
ns
4.5
13
7
16
20
6.0
11
5
15
16
tSETUP
Set Up Time CI/CE
to CLOCK
2.0
140
40
175
205
ns
4.5
27
14
36
42
6.0
23
12
31
36
tSETUP
Set Up Time Jn to
CLOCK
2.0
72
20
92
105
ns
4.5
14
8
18
20
6.0
12
6
15
18
thold
Hold Time SPE to
CLOCK
2.0
-14
0
0
0
ns
4.5
-5
0
0
0
6.0
-4
0
0
0
thold
Hold Time CI/CE to
CLOCK
2.0
-30
0
0
0
ns
4.5
-11
0
0
0
6.0
-9
0
0
0
thold
Hold Time Jn to
CLOCK
2.0
-17
0
0
0
ns
4.5
-6
0
0
0
6.0
-5
0
0
0
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
101010
pF
CPD
Power Dissipation
Capacitance (note
1)
5.0
60
pF
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.



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