參數(shù)資料
型號(hào)： ICS94201DF-LF-T
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 200 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封裝： 0.300 INCH, GREEN, SSOP-56
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 358K
代理商： ICS94201DF-LF-T
Integrated
Circuit
Systems, Inc.
ICS94201
94201 Rev - 10/03/00
Pin Configuration
Recommended Application:
810/810E and Solano (815) type chipset
Output Features:
2 - CPUs @ 2.5V
13 - SDRAM @ 3.3V
3 - 3V66 @ 3.3V
8 - PCI @3.3V
1 - 24/48MHz@ 3.3V
1 - 48MHz @ 3.3V fixed
1 - REF @3.3V, 14.318MHz
Features:
Programmable ouput frequency.
Programmable ouput rise/fall time for PCI
and SDRAM clocks.
Programmable 3V66 to PCI skew.
Spread spectrum for EMI control
with programmable spread percentage.
Watchdog timer technology to reset system
if over-clocking causes malfunction.
Support power management through PD#.
Uses external 14.318MHz crystal.
FS pins for frequency select
Key Specifications:
CPU Output Jitter: <250ps
IOAPIC Output Jitter: <500ps
48MHz, 3V66, PCI Output Jitter: <500ps
Ref Output Jitter. <1000ps
CPU Output Skew: <175ps
PCI Output Skew: <500ps
3V66 Output Skew <175ps
For group skew timing, please refer to the
Group Timing Relationship Table.
Programmable System Frequency Generator for PII/III
56-Pin 300 mil SSOP
1. These pins will have 1.5 to 2X drive strength.
* 120K ohm pull-up to VDD on indicated inputs.
PLL2
PLL1
Spread
Spectrum
48MHz
24_48MHz
CPUCLK [1:0]
2
12
8
3
SDRAM [11:0]
IOAPIC
PCICLK [7:0]
SDRAM_F
3V66 [2:0]
X1
X2
XTAL
OSC
CPU
DIVDER
SDRAM
DIVDER
IOAPIC
DIVDER
PCI
DIVDER
3V66
DIVDER
FS[4:0]
PD#
SEL24_48#
SDATA
SCLK
Control
Logic
Config.
Reg.
/ 2
REF0
Block Diagram
VDDREF
X1
X2
GNDREF
GND3V66
3V66-1
3V66-2
VDD3V66
VDDPCI
*(FS0)PCICLK0
*(FS1)PCICLK1
*(SEL24_48#)PCICLK2
GNDPCI
PCICLK3
PCICLK4
PCICLK5
VDDPCI
PCICLK6
PCICLK7
GNDPCI
PD#
SCLK
SDATA
VDDSDR
SDRAM11
SDRAM10
GNDSDR
3V66-0
1
REF0(FS4)*
VDDLAPIC
IOAPIC
VDDLCPU
CPUCLK0
CPUCLK1
GNDLCPU
GNDSDR
SDRAM0
SDRAM1
SDRAM2
VDDSDR
SDRAM3
SDRAM4
SDRAM5
GNDSDR
SDRAM6
SDRAM7
SDRAM_F
VDDSDR
GND48
24_48MHz(FS2)*
48MHz(FS3)*
VDD48
VDDSDR
SDRAM8
SDRAM9
GNDSDR
1
ICS94201
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PRODUCT PREVIEW documents contain information on new products
in the sampling or preproduction phase of development. Characteristic
data and other specifications are subject to change without notice.
Preliminary Product Preview
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ICS94210YF-PPP-T-LF 166.66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
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參數(shù)描述
ICS94201DFT 功能描述:IC FREQ GENERATOR PROGR 56-SSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT
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