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M74HC1520B1R View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M74HC1520B1R HC4520 DUAL 4 BIT BINARY COUNTER HC4518 DUAL DECADE COUNTER ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HC1520B1R Datasheet PDF : 13 Pages
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M54/M74HC4518/4520
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(CK, CE - Qn)
6.0
72 160
200
240
22 32
40
48
ns
18 27
34
41
tPHL Propagation
2.0
Delay Time
4.5
(CLR - Qn)
6.0
65 150
190
225
20 30
38
45
ns
16 26
33
38
fMAX Maximum Clock 2.0
Frequency
4.5
6
23
4.8
4
30 51
24
20
MHz
6.0
35 60
28
24
tW(H) Minimum Pulse 2.0
tW(L) Width
4.5
(CK, CE)
6.0
25 75
95
6
15
19
ns
5
13
16
tW(L) Minimum Pulse 2.0
Width
4.5
(CLR)
6.0
20 75
5
15
4
13
95
110
19
22
ns
16
19
tREM Minimum
2.0
Removal Time
4.5
(CLR)
6.0
21 50
60
75
3
10
12
15
ns
3
9
11
13
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
for HC4518
38
Capacitance
for HC4520
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)
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