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M54HC4518F1R Datasheet(PDF) 7 Page - STMicroelectronics

Part # M54HC4518F1R
Description  HC4518 DUAL DECADE COUNTER HC4520 DUAL 4 BIT BINARY COUNTER
PDF  13 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC4518F1R Datasheet(HTML) 7 Page - 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
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
(CK, CE - Qn)
2.0
72
160
200
240
ns
4.5
22
32
40
48
6.0
18
27
34
41
tPHL
Propagation
Delay Time
(CLR - Qn)
2.0
65
150
190
225
ns
4.5
20
30
38
45
6.0
16
26
33
38
fMAX
Maximum Clock
Frequency
2.0
6
23
4.8
4
MHz
4.5
30
51
24
20
6.0
35
60
28
24
tW(H)
tW(L)
Minimum Pulse
Width
(CK, CE)
2.0
25
75
95
ns
4.5
6
15
19
6.0
5
13
16
tW(L)
Minimum Pulse
Width
(CLR)
2.0
20
75
95
110
ns
4.5
5
151922
6.0
4
131619
tREM
Minimum
Removal Time
(CLR)
2.0
21
50
60
75
ns
4.5
3
101215
6.0
3
9
11
13
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
for HC4518
for HC4520
38
32
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/2 (per COUNTER)
M54/M74HC4518/4520
7/13



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