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參數(shù)資料
| 型號： | W320-04X |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | 200-MHz Spread Spectrum Clock Synthesizer/Driver with Differential CPU Outputs |
| 中文描述： | 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56 |
| 封裝： | 6 X 12 MM, MO-153, TSSOP2-56 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 264K |
| 代理商： | W320-04X |
W320-04
Document #: 38-07010 Rev. *B
Page 2 of 18
Pin Summary
Name
REF
XTAL_IN
XTAL_OUT
CPU, CPU# [0:2]
3V66_0
3V66_1/VCH
66IN/3V66_5
Pins
56
2
3
44, 45, 48, 49, 51, 52
33
35
24
Description
3.3V 14.318-MHz clock output.
14.318-MHz crystal input.
14.318-MHz crystal input.
Differential CPU clock outputs.
3.3V 66-MHz clock output.
3.3V selectable through SMBus to be 66 MHz or 48 MHz.
66-MHz input to buffered 66BUFF and PCI or 66-MHz clock from
internal VCO.
66-MHz buffered outputs from 66Input or 66-MHz clocks from internal
VCO.
33-MHz clocks divided down from 66Input or divided down from 3V66.
PCI clock outputs divided down from 66Input or divided down from
3V66.
Fixed 48-MHz clock output.
Fixed 48-MHz clock output.
Special 3.3V 3-level input for Mode selection.
3.3V LVTTL inputs for CPU frequency selection.
A precision resistor is attached to this pin, which is connected to the
internal current reference.
3.3V LVTTL input for selecting the current multiplier for the CPU
outputs.
3.3V LVTTL input for Power_Down# (active LOW).
3.3V LVTTL input for PCI_STOP# (active LOW).
3.3V LVTTL input for CPU_STOP# (active LOW).
3.3V LVTTL input is a level sensitive strobe used to determine when
S[2:0] and MULTI0 inputs are valid and OK to be sampled (Active
LOW). Once PWRGD# is sampled LOW, the status of this output will
be ignored.
SMBus compatible SDATA.
SMBus compatible SCLK.
3.3V power supply for outputs.
66BUFF [2:0] /3V66 [4:2]
21, 22, 23
PCI_F [0:2]
PCI [0:6]
5, 6, 7,
10, 11, 12, 13, 16, 17, 18
USB
DOT
S2
S1, S0
IREF
39
38
40
54, 55
42
MULT0
43
PWR_DWN#
PCI_STOP#
CPU_STOP#
PWRGD#
25
34
53
28
SDATA
SCLK
VDD_REF, VDD_PCI,
VDD_3V66, VDD_CPU
VDD_48 MHz
VDD_CORE
GND_REF, GND_PCI,
GND_3V66, GND_IREF,
VDD_CPU
GND_CORE
29
30
1, 8, 14, 19, 32, 46, 50
37
26
4, 9, 15, 20, 31, 36, 41, 47 Ground for outputs.
3.3V power supply for 48 MHz.
3.3V power supply for PLL.
27
Ground for PLL.
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