SN74LS123 데이터 시트보기 (PDF) - ON Semiconductor

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SN74LS123

Retriggerable Monostable Multivibrators

ON Semiconductor 

0.55

VRC = 5 V

Cext = 1000 pF

0.5

K

-55°C

0.45

0°C

25°C

70°C

0.4

125°C

SN74LS122, SN74LS123

0.55

0.55

VCC = 5 V

Cext = 1000 pF

0.5

0.5

0°C -55°C

K

K

25°C

0.45

70°C

0.45

125°C

0.4

0.4

Cext = 1000 pF

-55°C

0°C

25°C

70°C

125°C

0.35

4.5

5

5.5

VCC

Figure 5. K versus VCC

0.35

4.5

5

5.5

VRC

Figure 6. K versus VRC

0.35

4.5

5

5.5

VCC= VRC

Figure 7. K versus VCC and VRC

100000

10000

Rext = 260 kΩ

Rext = 160 kΩ

1000

100

10

1

Rext = 80 kΩ

Rext = 40 kΩ

Rext = 20 kΩ

Rext = 10 kΩ

Rext = 5 kΩ

10

100

Cext, EXTERNAL TIMING CAPACITANCE (pF)

Figure 8.

1000

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7

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