參數(shù)資料
型號: MC74HC390A
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Dual 4-Stage Binary Ripple Counter(雙4位二進(jìn)制紋波計數(shù)器)
中文描述: 雙4位的二進(jìn)制紋波計數(shù)器(雙4位二進(jìn)制紋波計數(shù)器)
文件頁數(shù): 4/10頁
文件大?。?/td> 127K
代理商: MC74HC390A
MC74HC390A
http://onsemi.com
4
DC ELECTRICAL CHARACTERISTICS
(Voltages Referenced to GND)
Unit
125 C
V
Test Conditions
Parameter
Symbol
(DL129/D).
85 C
25 C
CC
I
in
Maximum Input Leakage
in
CC
I
V
= V
or GND
6.0
0.1
1.0
1.0
A
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
f
= t
f
= 6 ns)
2. Information on typical parametric values can be found in Chapter 2 of the ON Semiconductor HighSpeed CMOS Data Book (DL129/D).
V
Guaranteed Limit
– 55 to
4.5
30
28
25
t
PHL
(Figures 1 and 3)
3.0
40
45
50
t
,
t
PHL
Maximum Propagation Delay, Clock A to QC
(QA connected to Clock B)
2.0
3.0
6.0
200
160
49
250
185
62
300
210
68
ns
PHL
6.0
22
28
33
t
PLH
,
Maximum Propagation Delay, Clock B to QC
2.0
4.5
6.0
90
37
31
105
46
39
180
56
48
ns
PLH
4.5
26
33
39
(Figures 2 and 3)
3.0
4.5
48
30
65
38
75
44
t
THL
(Figures 1 and 3)
3.0
27
32
36
C
Maximum Input Capacitance
10
10
10
pF
C
PD
Power Dissipation Capacitance (Per Counter)*
* Used to determine the noload dynamic power consumption: P
D
= C
PD
V
CC2
f + I
CC
V
CC
. For load considerations, see Chapter 2 of the
ON Semiconductor HighSpeed CMOS Data Book (DL129/D).
Typical @ 25
°
C, V
CC
= 5.0 V
pF
35
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