SPC21A1 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

SPC21A1

20KB SOUND CONTROLLER

Unspecified 

SPC21A1

The relationship between the Rosc and the FCPU

VDD = 3.0V , Ta = 25

VDD = 4.5V , Ta = 25

4.0

3.0

2.0

1.0

0.0

0

200 400 600 800

Rosc ( Kohms )

6.0

5.0

4.0

3.0

2.0

1.0

0.0

0

200 400 600 800

Rosc ( Kohms )

Frequency vs. Temperature

Frequency normalized to 25

1.04

1.02

Rosc=200Kohms

VDD=5.0V

1.00

0.98

0.96

0 10 20 30 40 50 60 70

Temperature ( )

Frequency vs. VDD

5.0

4.0

3.0

2.0

1.0

0.0

2.0

Rosc = 100 Kohms

Rosc = 200 Kohms

3.0 4.0 5.0

VDD ( Volts )

Operating current vs. Frequency vs. VDD

4

3

2

VDD = 4.5V

1

VDD = 3V

0

0123456

Fosc ( MHz )

Sunplus Technology Co., Ltd.

8

Rev.: 1.1 1999.11.19

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