參數資料
型號： M54HCT393F1R
廠商： 意法半導體
元件分類： 通用總線功能
英文描述： DUAL BINARY COUNTER
中文描述： 雙二進制計數器
文件頁數： 6/12頁
文件大小： 254K
代理商： M54HCT393F1R
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.
-55 to 125
o
C
54HC
Min.
Max.
15
Max.
19
Max.
22
t
TLH
t
THL
t
PLH
t
PHL
Output Transition
Time
Propagation
Delay Time
(CLOCK - QA)
Propagation
Delay Time
(CLOCK - QB)
Propagation
Delay Time
(CLOCK - QC)
Propagation
Delay Time
(CLOCK - QD)
Propagation
Delay Time
(CLEAR - Qn)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CLEAR)
Minimum
Removal Time
Input Capacitance
Power Dissipation
Capacitance
4.5
8
ns
4.5
19
30
38
45
ns
t
PLH
t
PHL
4.5
24
37
46
56
ns
t
PLH
t
PHL
4.5
28
43
54
65
ns
t
PLH
t
PHL
4.5
33
51
64
77
ns
t
PLH
t
PHL
4.5
20
31
39
47
ns
f
MAX
4.5
4.2
80
34
MHz
t
W(H)
t
W(L)
4.5
8
15
19
22
ns
t
W(H)
4.5
8
15
19
22
ns
t
REM
4.5
5
6
8
ns
C
IN
5
10
10
10
pF
C
PD
(*)
66
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
/4(per FlipFlop)
M54/M74HCT393
6/12
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