TC74HC155AF 데이터 시트보기 (PDF) - Toshiba

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TC74HC155AF

Dual 2-to-4 Line Decoder3-to-8 Line Decoder

Toshiba 

TC74HC155AP/AF/AFN

AC Characteristics (CL = 50 pF, input: tr = tf = 6 ns)

Characteristics

Symbol

Test Condition

Ta = 25°C

Ta =

−40 to 85°C Unit

VCC (V) Min Typ. Max Min Max

Output transition time

tTLH

tTHL

2.0

⎯

30

75

⎯

95

⎯

4.5

⎯

8

15

⎯

19

ns

6.0

⎯

7

13

⎯

16

Propagation delay

tpLH

time

tpHL

2.0

⎯

45

130

⎯

165

⎯

4.5

⎯

15

26

⎯

33

ns

6.0

⎯

13

22

⎯

28

Input capacitance

CIN

⎯

⎯

5

10

⎯

10

pF

Power dissipation

capacitance

CPD

(Note)

⎯

⎯

53

⎯

⎯

⎯

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

5

2007-10-01

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