TC74HC240AP datasheet(5/8 Pages) TOSHIBA

部品番号	TC74HC240AP

部品情報	Octal Bus Buffer

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メーカー	TOSHIBA [Toshiba Semiconductor]

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TC74HC240,244AP/AF,241AP/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

2.0

4.5

6.0

⎯

25

7

6

60

12

10

⎯

75

15

13

ns

50

2.0

4.5

6.0

⎯

36

12

10

90

18

15

⎯

115

23

20

Propagation delay

time

tpLH

tpHL

⎯

150

2.0

4.5

6.0

⎯

51

17

14

130

26

22

⎯

165

33

28

ns

50

2.0

4.5

6.0

⎯

48

16

14

125

25

21

⎯

155

31

26

Output enable time

tpZL

tpZH

RL = 1 kΩ

150

2.0

4.5

6.0

⎯

63

21

18

165

33

28

⎯

205

41

35

ns

Output disable time

tpLZ

tpHZ

RL = 1 kΩ

50

2.0

4.5

6.0

⎯

32

15

14

125

25

21

⎯

155

31

26

ns

Input capacitance

CIN

⎯

5

10

⎯

10

pF

Output capacitance

COUT

⎯

10

⎯

pF

TC74HC240A

⎯

31

⎯

Power dissipation

capacitance

CPD

(Note) TC74HC241A/244A

⎯

33

⎯

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/8 (per bit)

同様の部品番号 - TC74HC240AP

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