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TC74HCT240AF 데이터시트(PDF) 5 Page - Toshiba Semiconductor

부품명 TC74HCT240AF
상세설명  Octal Bus Buffer with TTL Input Level
PDF  8 Pages
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제조업체  TOSHIBA [Toshiba Semiconductor]
홈페이지  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74HCT240AF 데이터시트(HTML) 5 Page - Toshiba Semiconductor

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TC74HCT240,244AP/AF
2007-10-01
5
AC Characteristics (input: tr = tf = 6 ns)
Test Condition
Ta
= 25°C
Ta
= −40~85°C
Characteristics
Symbol
CL
(pF)
VCC
(V)
Min
Typ.
Max
Min
Max
Unit
Output transition time
tTLH
tTHL
⎯
50
4.5
5.5
⎯
⎯
7
6
12
11
⎯
⎯
15
14
ns
50
4.5
5.5
⎯
⎯
15
13
22
20
⎯
⎯
28
25
Propagation delay
time
(Note 2)
tpLH
tpHL
⎯
150
4.5
5.5
⎯
⎯
21
16
30
27
⎯
⎯
38
34
ns
50
4.5
5.5
⎯
⎯
15
13
25
22
⎯
⎯
31
28
Propagation delay
time
(Note 3)
tpLH
tpHL
⎯
150
4.5
5.5
⎯
⎯
21
18
33
29
⎯
⎯
41
37
ns
50
4.5
5.5
⎯
⎯
17
14
30
27
⎯
⎯
38
34
3-state output enable
time
tpZL
tpZH
RL = 1 kΩ
150
4.5
5.5
⎯
⎯
23
20
38
34
⎯
⎯
48
43
ns
3-state output disable
time
tpLZ
tpHZ
RL = 1 kΩ
50
4.5
5.5
⎯
⎯
16
13
30
27
⎯
⎯
38
34
ns
Input capacitance
CIN
⎯
⎯
5
10
⎯
10
pF
Output capacitance
COUT
⎯
⎯
10
⎯
⎯
⎯
pF
(Note 2)
⎯
33
⎯
⎯
⎯
Power dissipation
capacitance
(Note 1)
CPD
(Note 3)
⎯
31
⎯
⎯
⎯
pF
Note 1: 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)
Note 2: TC74HCT240A
Note 3: TC74HCT244A



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