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PI6C102-16BH

Spread Spectrum Clock Synthesizer for Mobile Pentium II

Pericom Semiconductor 

PI6C102-16

Spread Spectrum Clock Synthesizer

for Mobile Pentium II 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122

Pin Description

Pin

Signal Name

1

XTAL_IN

2

XTAL_OUT

4

PCICLK_F

5,7,8,10,11 PCICLK[1:5]

15

SEL100/66#

16

48MHz

17

PWRDWN#

18

CPUSTOP#

19

PCISTOP#

22

23,24

VSS2

CPUCLK[0:1]

25

VDD2

26

REF

6,9,13,21,27

VDD

3,12,14,20,28

VSS

Type

I

O

O

O

I

O

I

I

I

ground

O

power

O

power

ground

Qty.

Description

1 14.318 MHz crystal input

1 14.318 MHz crystal output

1 Free running PCI clock output

5 PCI clock outputs, TTL compatible

1 Select 100 MHz or 66 MHz. H = 100 MHz , L = 66 MHz

1 48 MHz output

1 Powers down device when held LOW (Internal Pull up)

1 Stops CPU clocks LOW if held LOW (Internal Pull up)

1 Stops PCI clocks LOW if held LOW (Internal Pull up)

1 Ground for CPU outputs, 2.5V

2 CPU and Host clock outputs, 2.5V

1 Power for CPU outputs, 2.5V

1 14.318 MHz clock output

5 3.3V Power

5 3.3V Ground

Select Functions

SEL100/66# CPUCLK[0:1]

0

66 MHz

1

100 MHz

Clock Enable Configuration

CPU_STOP# PCI_STOP# PWR_DWN#

CPUCLK

[0:1]

PCICLK

[1:5]

PCICLK_F

X

X

0

low

low

low

0

0

1

low

low

33MHz

0

1

1

low

33MHz 33MHz

1

0

1

100/66MHz low

33MHz

1

1

1

100/66MHz 33MHz 33MHz

Other

Clocks

stopped

running

running

running

running

Crystal VCO's 48MHz

off

running

running

running

running

off

running

running

running

running

off

running

running

running

running

2

P8399-1 06/11/99

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