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TC74VHCT240AF Folha de dados(PDF) 5 Page - Toshiba Semiconductor

Nome de Peças TC74VHCT240AF
Descrição Electrónicos  TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
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Fabricante Electrônico  TOSHIBA [Toshiba Semiconductor]
Página de início  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74VHCT240AF Folha de dados(HTML) 5 Page - Toshiba Semiconductor

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TC74VHCT240,244AF/AFT/AFK
2008-12-01
5
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
⎯
5.6
7.8
1.0
9.0
Propagation delay
time
(TC74VHCT240A)
tpLH
tpHL
⎯
5.0
± 0.5
50
⎯
6.1
8.8
1.0
10.0
ns
15
⎯
5.4
7.4
1.0
8.5
Propagation delay
time
(TC74VHCT244A)
tpLH
tpHL
⎯
5.0
± 0.5
50
⎯
5.9
8.4
1.0
9.5
ns
15
⎯
7.7
10.4
1.0
12.0
3-state output enable
time
tpZL
tpZH
RL = 1 kΩ
5.0
± 0.5
50
⎯
8.2
11.4
1.0
13.0
ns
3-state output disable
time
tpLZ
tpHZ
RL = 1 kΩ
5.0
± 0.5
50
⎯
8.8
11.4
1.0
13.0
ns
Output to output skew
tosLH
tosHL
(Note 1) 5.0
± 0.5
50
⎯
⎯
1.0
⎯
1.0
ns
Input capacitance
CIN
⎯
⎯
4
10
⎯
10
pF
Output capacitance
COUT
⎯
⎯
9
⎯
⎯
⎯
pF
TC74VHCT240A
⎯
19
⎯
⎯
⎯
Power dissipation
capacitance (Note 2)
CPD
TC74VHCT244A
⎯
18
⎯
⎯
⎯
pF
Note 1: Parameter guaranteed by design.
tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|
Note 2: 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/8 (per bit)
Noise Characteristics (input: tr = tf = 3 ns)
Test Condition
Ta
= 25°C
Characteristics
Symbol
VCC (V)
Typ.
Limit
Unit
Quiet output maximum dynamic VOL
VOLP
CL = 50 pF
5.0
0.8
1.0
V
Quiet output minimum dynamic VOL
VOLV
CL = 50 pF
5.0
−0.8
−1.0
V
Minimum high level dynamic input
voltage
VIHD
CL = 50 pF
5.0
⎯
2.0
V
Maximum low level dynamic input
voltage
VILD
CL = 50 pF
5.0
⎯
0.8
V


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