参数资料
型号: M54HCT74
厂商: 意法半导体
英文描述: Low-Voltage Adjustable Precision Shunt Regulator 6-SC70 0 to 70
中文描述: 双D型触发器与预置和清除
文件页数: 5/11页
文件大小: 249K
代理商: M54HCT74
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 - Q)
Propagation
Delay Time
(CL, PR - Q, Q)
Maximum Clock
Frequency
Minimum Pulse
Width
(CLOCK)
Minimum Pulse
Width
(CL, PR)
Minimum Set-up
Time
Minimum Hold
Time
Minimum
Removal Time
(CL, PR)
Input Capacitance
Power Dissipation
Capacitance
4.5
8
ns
4.5
21
33
41
50
ns
t
PLH
t
PHL
4.5
18
30
38
45
ns
f
MAX
4.5
27
48
22
18
MHz
t
W(H)
t
W(L)
4.5
6
15
19
23
ns
t
W(L)
4.5
8
15
19
23
ns
t
s
4.5
7
15
19
23
ns
t
h
4.5
0
0
0
ns
t
REM
4.5
1
5
5
6
5
8
ns
C
IN
5
10
10
10
pF
C
PD
(*)
32
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
/2(per FLIP/FLOP)
M54/M74HCT74
5/11
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PDF描述
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