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ICS952011 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Programmable Timing Control Hub - Integrated Circuit Systems

भाग संख्या ICS952011
समारोह Programmable Timing Control Hub
मैन्युफैक्चरर्स Integrated Circuit Systems 
लोगो Integrated Circuit Systems लोगो 
पूर्व दर्शन
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ICS952011 pdf
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Integrated
Circuit
Systems, Inc.
ICS952011
General Description
The ICS952011 is a two chip clock solution for desktop designs using SIS 645/645DX/648/650 style chipsets. When used with
a zero delay buffer such as the ICS9179-16 for PC133 or the ICS93735 for DDR applications it provides all the necessary
clocks signals for such a system.
The ICS952011 is part of a whole new line of ICS clock generators and buffers called TCH™ (Timing Control Hub). ICS is the
first to introduce a whole product line which offers full programmability and flexibility on a single clock device. Employing the
use of a serially programmable I2C interface, this device can adjust the output clocks by configuring the frequency setting, the
output divider ratios, selecting the ideal spread percentage, the output skew, the output strength, and enabling/disabling each
individual output clock. TCH also incorporates ICS's Watchdog Timer technology and a reset feature to provide a safe setting
under unstable system conditions. M/N control can configure output frequency with resolution up to 0.1MHz increment.
Block Diagram
X1 XTAL
X2
PLL2
Frequency
Dividers
FS (4:0)
VTTPWR_GND/PD#
CPU_STOP#
PCI_STOP#
MODE 0
SEL12_48#
SEL24_48#
Control
Logic
Programmable
Spread
PLL1
Programmable
Frequency
Dividers
STOP
Logic
12_48MHz
24_48MHz
REF (2:0)
CPUCLKT (1:0)
CPUCLKC (1:0)
SDRAM_OUT
AGPCLK (1:0)
PCICLK (6:0)
PCICLKF (1:0)
ZCLK (1:0)
I REF
Power Groups
Pin Number
VDD
GND
15
11 8
28 25
29 32
36 37
42 41
48 46
Description
REF Output, Crystal
Hyper ZCLK outputs
12/24/48MHz, Fix Analog, Fix Digital
AGP outputs
CPU PLL, CPU Analog, MCLK
CPU_T/C outputs
SDRAM_Out
0721A—07/29/03
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भाग संख्याविवरणविनिर्माण
ICS952011Programmable Timing Control HubIntegrated Circuit Systems
Integrated Circuit Systems


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