M74HC4520B1R Просмотр технического описания (PDF) - STMicroelectronics
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M74HC4520B1R Datasheet PDF : 12 Pages
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M74HC4520
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time
4.5
(CLOCK, CE - Qn) 6.0
tPHL Propagation Delay 2.0
Time
4.5
(CLEAR - Qn)
6.0
fMAX Maximum Clock
2.0
Frequency
4.5
6.0
tW(H) Minimum Pulse
2.0
tW(L) Width
4.5
(CLOCK ,CE)
6.0
tW(L) Minimum Pulse
2.0
Width
4.5
(CLEAR)
6.0
tREM Minimum Removal 2.0
Time
4.5
(CLEAR)
6.0
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
6
30
35
Typ. Max.
30 75
8 15
7 13
72 160
22 32
18 27
65 150
20 30
16 26
23
51
60
25 75
6 15
5 13
20 75
5 15
4 13
21 50
3 10
3
9
Min.
4.8
24
28
Max.
95
19
16
200
40
34
190
38
33
95
19
16
95
19
16
60
12
11
Min.
4
20
24
Max.
110
22 ns
19
240
48 ns
41
225
45 ns
38
MHz
110
22 ns
19
110
22 ns
19
75
15 ns
13
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance
CPD Power Dissipation
Capacitance (note
1)
5 10
10
10 pF
32
pF
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/2 (per
COUNTER)
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