參數(shù)資料
型號： M74HC390M1R
廠商： 意法半導(dǎo)體
英文描述： 8-Bit, 3 us DAC, Serial Input, Pgrmable Settling Time/ Power Consumption, Ultra Low Power 8-SOIC -40 to 85
中文描述： 雙十進(jìn)制計(jì)數(shù)器
文件頁數(shù)： 7/13頁
文件大小： 266K
代理商： M74HC390M1R
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
120
24
20
120
24
20
280
56
48
185
37
31
125
25
21
Max.
95
19
16
150
30
26
150
30
26
350
70
60
230
46
39
155
31
26
Max.
110
22
19
180
36
31
180
36
31
420
84
71
280
56
48
190
38
32
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK A - QA)
42
14
12
45
15
13
108
36
31
72
24
20
45
15
13
17
65
79
17
67
79
24
6
5
24
6
5
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLOCKA-QB,QD)
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK A - QC)
QA Connected
to CKB
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK B - QC)
ns
t
PHL
Propagation
Delay Time
(CLEAR - Qn
ns
f
MAX
Maximum Clock
Frequency
(CLOCK A - QA)
8.4
42
50
8.4
42
50
6.8
34
40
6.8
34
40
5.6
28
33
5.6
28
33
ns
f
MAX
Maximum Clock
Frequency
(CLOCK B - QB)
ns
t
W(H)
t
W(L)
Minimum Pulse
Wisth
(CLOCK)
75
15
13
75
15
13
25
5
5
10
95
19
16
95
19
16
30
6
5
10
110
22
19
110
22
19
35
7
6
10
ns
t
(W)H
Minimum Pulse
Wisth
(CLEAR)
ns
t
REM
Propagation
Delay Time
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
5
pF
C
PD
(*)
84
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
M54/M74HC390
7/13
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