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ICS950805 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Frequency Generator with 200MHz Differential CPU Clocks - Integrated Circuit Systems

भाग संख्या ICS950805
समारोह Frequency Generator with 200MHz Differential CPU Clocks
मैन्युफैक्चरर्स Integrated Circuit Systems 
लोगो Integrated Circuit Systems लोगो 
पूर्व दर्शन
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<?=ICS950805?> डेटा पत्रक पीडीएफ

ICS950805 pdf
ICS950805
Pin Configuration
PIN NUMBER
1, 8, 14, 19, 26,
32, 37, 46, 50
2
PIN NAME
VDD
X1
3 X2
7, 6, 5
4, 9, 15, 20, 27,
31, 36, 41, 47
18, 17, 16, 13,
12,11, 10
23, 22, 21
24
25
PCICLK_F (2:0)
GND
PCICLK (6:0)
66MHz_OUT (2:0)
3V66 (4:2)
66MHz_IN
3V66_5
PD#
28 Vtt_PWRGD#
29
30
33
34
35
38
39
40
42
43
44, 48, 51
45, 49, 52
53
55, 54
56
SDATA
SCLK
3V66_0
PCI_STOP#
3V66_1/VCH_CLK
48MHz_DOT
48MHz_USB
FS2
I REF
MULTSEL0
CPUCLKC (2:0)
CPUCLKT (2:0)
CPU_STOP#
FS (1:0)
REF
TYPE
DESCRIPTION
PWR
3.3V power supply
X2 Crystal Input
X1 Crystal
Output
OUT
14.318MHz Crystal input
14.318MHz Crystal output
Free running PCI clock not affected by PCI_STOP# for power
management.
PWR
Ground pins for 3.3V supply
OUT
OUT
OUT
IN
OUT
IN
IN
I/O
IN
OUT
IN
OUT
OUT
OUT
IN
OUT
IN
OUT
OUT
IN
IN
OUT
PCI clock outputs
66MHz buffered 66MHz_OUT from 66MHz_IN input.
66MHz reference clocks, from internal VCO
66MHz input to buffered 66MHz_OUT and PCI clocks
66MHz reference clock, from internal VCO
Invokes power-down mode. Active Low.
This 3.3V LVTTL input is a level sensitive strobe used to determine
when FS[0:2] and MULTISEL0 inputs are valid and are ready to be
sampled
(active low)
Data pin for I2C circuitry 5V tolerant
Clock pin of I2C circuitry 5V tolerant
66MHz reference clocks, from internal VCO
Halts PCICLK clocks at logic 0 level, when input low except
PCICLK_F which are free running
3.3V output selectable through I2C to be 66MHz from internal VCO or
48MHz (non-SSC)
48MHz output clock for DOT
48MHz output clock for USB
Special 3.3V input for Mode selection
This pin establishes the reference current for the CPUCLK pairs. This pin
requires a fixed precision resistor tied to ground in order to establish the
appropriate current.
3.3V LVTTL input for selecting the current multiplier for CPU outputs
"Complementory" clocks of differential pair CPU outputs. These are current
outputs and external resistors are required for voltage bias.
"True" clocks of differential pair CPU outputs. These are current outputs and
external resistors are required for voltage bias.
Halts CPUCLK clocks at logic 0 level, when input low
Frequency select pins
14.318MHz reference clock.
Power Groups
(Analog)
VDDA = PLL1
VDD48 = 48MHz, PLL
VDDREF = VDD for Xtal, POR
(Digital)
VDDPCI
VDD3V66
VDDCPU
0649H—02/25/05
2

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डाउनलोड[ ICS950805 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

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ICS950805Frequency Generator with 200MHz Differential CPU ClocksIntegrated Circuit Systems
Integrated Circuit Systems


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