GMS87C1102 Ver la hoja de datos (PDF) - Hynix Semiconductor

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GMS87C1102

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Hynix Semiconductor 

HYUNDAI MicroElectronics

GMS87C1102 / GMS87C1202

Typical RC Oscillator

FOSC

Frequency VS. VDD

(M H z)

C ext= 24 p F

2 .5 Ta=25°C

2.0

R=20k

1.5

R=33K

1.0

R=47K

0.5

R=100K

0

VDD

2.5 3 3.5 4 4.5 5 5.5 6 (V)

Typical RC Oscillator

FOSC

Frequency VS. VDD

(M Hz) Cext=39pF

1.6 Ta=25°C

1.4

R=20K

1.2

1.0

R=33K

0.8

R=47K

0.6

0.4

R=100K

0.2

0

2.5 3 3.5 4 4.5 5 5.5

VDD

6 (V)

Typical RC Oscillator

FOSC

Frequency VS. VDD

(M H z)

0.8 Cext=100pF

T a= 25°C

0.7

R=20K

0.6

0.5

R=33K

0.4

R=47K

0.3

0.2

R=100K

0.1

0

2.5 3 3.5 4 4.5 5 5.5

FOSC

F O S C (2 5 °C )

1.010

Typical RC O scillator

Frequency VS. Tem perature

C e x t= 2 4 p F

R=25K

1.005

1.000

0.995

VDD=5V

0.990

0.985

0.980

VDD=3V

VDD

6 (V)

0.975

VDD

0 10 20 30 40 50 60 70 (V)

Cext

Rext

Average

Fosc @ 5V,25°C

20K

2.02MHz

±14.11%

33K

1.34MHz

±11.50%

24pF

47K

0.952MHz

±10.30%

100K

0.48MHz

±9.07%

20K

1.536MHz

±14.79%

33K

1.012MHz

±11.67%

39pF

47K

0.72MHz

±10.42%

100K

0.364MHz

±9.75%

20K

0.78MHz

±13.53%

33K

100pF

47K

0.512MHz

0.364MHz

±10.35%

±9.48%

100K

0.18MHz

±7.34%

Table 10-1 RC Oscillator Frequencies

Oct. 1999 ver 1.0

21

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