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TC74HC123AF 数据表(PDF) 9 Page - Toshiba Semiconductor

部件名 TC74HC123AF
功能描述  Dual Retriggerable Monostable Multivibrator
Download  13 Pages
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制造商  TOSHIBA [Toshiba Semiconductor]
网页  http://www.semicon.toshiba.co.jp/eng
标志 TOSHIBA - Toshiba Semiconductor

TC74HC123AF 数据表(HTML) 9 Page - Toshiba Semiconductor

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TC74HC123AP/AF
2012-02-29
9
AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)
Test Condition
Ta
= 25°C
Ta
= −40 to 85°C
Characteristics
Symbol
VCC
(V)
Min
Typ.
Max
Min
Max
Unit
Output transition time
tTLH
tTHL
2.0
4.5
6.0
30
8
7
75
15
13
95
19
16
ns
Propagation delay
time
( A, B-Q,
Q )
tpLH
tpHL
2.0
4.5
6.0
102
29
22
210
42
36
265
53
45
ns
Propagation delay
time
(
CLR TRIGGER-Q,
Q)
tpLH
tpHL
2.0
4.5
6.0
102
31
23
235
47
40
295
59
50
ns
Propagation delay
time
( CLR -Q, Q)
tpLH
tpHL
2.0
4.5
6.0
68
20
16
160
32
27
200
40
34
ns
Cx
= 28 pF
Rx
= 6 kΩ (VCC = 2 V)
Rx
= 2 kΩ (VCC = 4.5 V, 6 V)
2.0
4.5
6.0
700
250
210
2000
400
340
2500
500
425
ns
Cx
= 0.01 μF
Rx
= 10 kΩ
2.0
4.5
6.0
90
95
95
110
105
105
130
115
115
90
95
95
130
115
115
μs
Output pulse width
twOUT
Cx
= 0.1 μF
Rx
= 10 kΩ
2.0
4.5
6.0
0.9
0.9
0.9
1.0
1.0
1.0
1.2
1.1
1.1
0.9
0.9
0.9
1.2
1.1
1.1
ms
Output pulse width
error between circuits
(in same package )
ΔtwOUT
±1
%
Input capacitance
CIN
5
10
10
pF
Power dissipation
capacitance
CPD
(Note)
162
pF
Note:
CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD・VCC・fIN + ICC’・duty/100 + ICC/2 (per circuit)
(ICC’: active supply current)
(duty. %)


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