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TC74VHC221AFK Scheda tecnica(PDF) 9 Page - Toshiba Semiconductor

Il numero della parte TC74VHC221AFK
Spiegazioni elettronici  Dual Monostable Multivibrator
Download  15 Pages
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Produttore elettronici  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74VHC221AFK Scheda tecnica(HTML) 9 Page - Toshiba Semiconductor

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TC74VHC123,221AF/AFN/AFT/AFK
2007-10-19
9
Timing Requirements (input: tr = tf = 3 ns)
Test Condition
Ta = 25°C
Ta
=
40 to
85°C
Characteristics
Symbol
VCC (V)
Typ.
Limit
Limit
Unit
Minimum pulse width
tw (L)
tw (H)
3.3
± 0.3
5.0
± 0.5
5.0
5.0
5.0
5.0
ns
Minimum clear width
( CLR )
tw (L)
3.3
± 0.3
5.0
± 0.5
5.0
5.0
5.0
5.0
ns
RX = 1 kΩ
CX = 100 pF
3.3
± 0.3
5.0
± 0.5
60
39
ns
Minimum retrigger time
(Note)
trr
RX = 1 kΩ
CX = 0.01 μF
3.3
± 0.3
5.0
± 0.5
1.5
1.2
μs
Note:
For TC74VHC123A only
AC Characteristics (input: tr = tf = 3 ns)
Test Condition
Ta
= 25°C
Ta
= −40 to
85°C
Characteristics
Symbol
VCC (V)
CL (pF)
Min
Typ.
Max
Min
Max
Unit
15
13.4
20.6
1.0
24.0
3.3
± 0.3
50
15.9
24.1
1.0
27.5
15
8.1
12.0
1.0
14.0
Propagation delay
time
( A, B-Q, Q)
tpLH
tpHL
5.0
± 0.5
50
9.6
14.0
1.0
16.0
ns
15
14.5
22.4
1.0
26.0
3.3
± 0.3
50
17.0
25.9
1.0
29.5
15
8.7
12.9
1.0
15.0
Propagation delay
time
( CLR trigger-Q, Q )
tpLH
tpHL
5.0
± 0.5
50
10.2
14.9
1.0
17.0
ns
15
10.3
15.8
1.0
18.5
3.3
± 0.3
50
12.8
19.3
1.0
22.0
15
6.3
9.4
1.0
11.0
Propagation delay
time
( CLR -Q, Q )
tpLH
tpHL
5.0
± 0.5
50
7.8
11.4
1.0
13.0
ns
3.3
± 0.3
160
240
300
CX = 28 pF
RX = 2 kΩ
5.0
± 0.5
50
133
200
240
ns
3.3
± 0.3
90
100
110
90
110
CX = 0.01 μF
RX = 10 kΩ
5.0
± 0.5
50
90
100
110
90
110
μs
3.3
± 0.3
0.9
1.0
1.1
0.9
1.1
Output pulse width
twOUT
CX = 0.1 μF
RX = 10 kΩ
5.0
± 0.5
50
0.9
1.0
1.1
0.9
1.1
ms
Output pulse width
error between circuits
(in same package)
ΔtwOUT
±1
%
Input capacitance
CIN
4
10
10
pF
Power dissipation
capacitance
CPD
(Note)
73
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)
(I CC’: active supply current)
(duty: %)


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