參數(shù)資料
型號(hào): HC123
廠商: Toshiba Corporation
英文描述: Bipolar Transistor; Package/Case:TO-126; Current Rating:500mA; Voltage Rating:300V
中文描述: 雙RETRIGGERABLE單穩(wěn)態(tài)觸發(fā)器
文件頁數(shù): 7/14頁
文件大?。?/td> 291K
代理商: HC123
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
210
42
36
235
47
40
160
32
27
Max.
95
19
16
265
53
45
295
59
50
200
40
34
Max.
110
22
19
315
63
54
355
71
60
240
48
41
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
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
(A, B - Q, Q)
102
29
22
102
31
23
68
20
16
1.4
1.2
1.1
4.6
4.4
4.3
1.9
1.6
1.5
9.8
9.5
9.4
±
1
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLRTRIGGER-Q,Q)
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLR - Q, Q)
ns
t
WOUT
Output Pulse
Width
(for HC123)
C
X
= 100 pF
R
X
= 10 K
μ
s
C
X
= 0.1
μ
F
R
X
= 100 K
ms
t
WOUT
Output Pulse
Width
(for HC123A)
C
X
= 100 pF
R
X
= 10 K
μ
s
C
X
= 0.1
μ
F
R
X
= 100 K
ms
t
WOUT
Output Pulse
Width Error
Between Circuits
in Same Package
Minimum Pulse
Width
%
t
W(H)
t
W(L)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
75
15
13
75
15
13
95
19
16
95
19
16
110
22
19
110
22
19
ns
t
W(L)
Minimum Pulse
Width (CLR)
ns
t
rr
Minimum
Retrigger Time
C
X
= 100 pF
R
X
= 1 K
325
108
78
5
1.4
1.2
5
162
ns
C
X
= 0.1
μ
F
R
X
= 100 K
μ
s
C
IN
Input Capacitance
Power Dissipation
Capacitance
10
10
10
pF
C
PD
(*)
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(RefertoTestCircuit).Averageopertingcurrentcanbeobtainedbythefollowingequation.I
CC
(opr)=C
PD
V
CC
f
IN
+I
CC
’ Duty/100+I
C
/2(permonostable)
(I
CC
’:Active Supply Current) (Duty:%)
M54/M74HC123/123A
7/14
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