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參數(shù)資料
| 型號(hào)： | MK1493-03BGLFTR |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, TSSOP-48 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 440K |
| 代理商： | MK1493-03BGLFTR |
DATASHEET
PCI CLOCK GENERATOR
MK1493-03B
IDT PCI CLOCK GENERATOR
1
MK1493-03B
REV H 051310
Description
The MK1493-03B is a general purpose clock generator
device that provides an integrated clocking solution for PCI
/networking applications. It provides eight individually
programmable PCI clocks, one CPU clock, three additional
fixed PCI clocks, and a 25 MHz reference clock for LAN
support. This part incorporates IDT’s newest clock
technology, offering more robust features and functionality.
The device provides a gradual transition from its initial clock
frequency to the new one. Using a serially programmable
SMBus interface, the MK1493-03B can select the output
clock frequency and the transition from the original value to
the new value. The SMBus also allows each of the 8
programmable PCI clocks to be individually enabled and
disabled.
Features
Individually programmable (25, 33.33, 50, 66.66 MHz)
PCI clocks (Serial or external pin control)
1 CPU clock at 100/125 MHz Selectable; single
ended/differential selectable
1 Clock at 66.66 MHz
1 Clock at 66/71/83 MHz selectable
1 Clock at 50 MHz
25 MHz reference clock
SMBus Programming
Power-up default frequency can be selected through FS
inputs
25 MHz crystal or clock input required
PCICLK cycle to cycle jitter <250 ps
CPUCLK cycle to cycle jitter <150 ps
48-pin, 240 mil TSSOP Package
Operating Voltage 3.3 V
±5%
Commercial (0 to +70°C) and Industrial temperature
ranges (-40 to +85°C)
Block Diagram
PCICLK(0:7)
Each PCI Output Clock
Individually Programmable
Clock Buffer/
Crystal
Ocsillator
PLL
Divider
Buffer Circuits
SMBus Programmable
CPUCLK 100M/125M
X1/CLK
X2
SCLK
CLK66M/71M/83M
FS(0:7)_A
FS(0:7)_B
CLK50M
REF25(25MHz)
SDATA
8
25 MHz
GND
VDD
7
8
External caps required
with crystal for accurate
tuning of the clock
CLK66M
CPUCLKB 100M/125M
FS8
FS9
FS10
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| MK1493-05G | 功能描述:IC CLK DVR SPRD SPECTRUM 16TSSOP 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 |
| MK1493-05GILF | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 DIFFERENTIAL SPREAD SPECTRUM CLK DRIVER RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| MK1493-05GILFTR | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 DIFFERENTIAL SPREAD SPECTRUM CLK DRIVER RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| MK1493-05GLF | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 DIFFERENTIAL SPREAD SPECTRUM CLK DRIVER RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
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