ICS9248-195 데이터 시트보기 (PDF) - Integrated Circuit Systems

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ICS9248-195

Frequency Generator & Integrated Buffers for PENTIUM II/III™ & K6

Integrated Circuit Systems 

ICS9248 - 195

Byte 4: Active/Inactive Register (1 = enable, 0 = disable)

Bit

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Pin #

-

-

-

-

-

-

-

-

PWD

1

0

0

0

0

0

0

1

Description

(Reserved)

(Reserved)

(SEL24_48)#

Latched FS0#

Latched FS1#

Latched FS2#

Latched FS3#

(Reserved)

Byte 5: Active/Inactive Register (1 = enable, 0 = disable)

Bit

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Pin #

34

35

37

38

26

25

48

2

PWD

1

1

1

1

1

1

1

1

Description

SDRAM3 (En/Dis)

SDRAM2 (En/Dis)

SDRAM1 (En/Dis)

SDRAM0 (En/Dis)

48MHz (En/Dis)

24MHz (En/Dis)

REF1 (En/Dis)

REF0 (En/Dis)

Notes:

1. Inactive means outputs are held LOW and are disabled from switching.

2. Latched register values will be inverted from pin values. Default latch condition is for all latched inputs to be floating

(pulled up via internal resistor) at power-up.

0375D—02/02/04

5

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