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參數(shù)資料
| 型號(hào)： | MC10H640FN |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK DRIVER ECL-TTL 28-PLCC |
| 產(chǎn)品變化通告： | Product Discontinuation 07/Oct/2008 |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 類型： | 時(shí)鐘/頻率發(fā)生器，扇出緩沖器（分配），多路復(fù)用器 |
| PLL： | 無(wú) |
| 主要目的： | 68030，68040 MPU |
| 輸入： | PECL，TTL |
| 輸出： | TTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:6 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 135MHz |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 管件 |
Semiconductor Components Industries, LLC, 2006
November, 2006 Rev. 8
1
Publication Order Number:
MC10H640/D
MC10H640, MC100H640
68030/040 PECL to TTL
Clock Driver
Description
The MC10H/100H640 generates the necessary clocks for the
68030, 68040 and similar microprocessors. It is guaranteed to meet the
clock specifications required by the 68030 and 68040 in terms of
parttopart skew, withinpart skew and also duty cycle skew.
The user has a choice of using either TTL or PECL (ECL referenced
to +5.0 V) for the input clock. TTL clocks are typically used in present
MPU systems. However, as clock speeds increase to 50 MHz and
beyond, the inherent superiority of ECL (particularly differential
ECL) as a means of clock signal distribution becomes increasingly
evident. The H640 also uses differential PECL internally to achieve its
superior skew characteristic.
The H640 includes dividebytwo and dividebyfour stages, both
to achieve the necessary duty cycle skew and to generate MPU clocks
as required. A typical 50 MHz processor application would use an
input clock running at 100 MHz, thus obtaining output clocks at
50 MHz and 25 MHz (see Logic Diagram).
Features
Generates Clocks for 68030/040
Meets 030/040 Skew Requirements
TTL or PECL Input Clock
Extra TTL and PECL Power/Ground Pins
Asynchronous Reset
Single +5.0 V Supply
PbFree Packages are Available*
Function
Reset (R): LOW on RESET forces all Q outputs LOW and all Q
outputs HIGH.
PowerUp:The device is designed to have the POS edges of the ÷ 2
and ÷ 4 outputs synchronized at power up.
Select (SEL): LOW selects the ECL input source (DE/DE). HIGH
selects the TTL input source (DT).
The H640 also contains circuitry to force a stable state of the ECL
input differential pair, should both sides be left open. In this case, the
DE side of the input is pulled LOW, and DE goes HIGH.
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
MARKING DIAGRAM*
xxx
= 10 or 100
A
= Assembly Location
WL
= Wafer Lot
YY
= Year
WW
= Work Week
G= PbFree Package
PLCC28
FN SUFFIX
CASE 776
MCxxxH640G
AWLYYWW
1
http://onsemi.com
*For additional marking information, refer to
Application Note AND8002/D.
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC10H640FNG | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 BBG ECL/TTL Clock 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 |
| MC10H640FNR2 | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 PECL to TTL Clock 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 |
| MC10H640FNR2G | 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 PECL to TTL Clock 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 |
| MC10H641FN | 功能描述:轉(zhuǎn)換 - 電壓電平 5V PECL to TTL 1:9 RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| MC10H641FNG | 功能描述:轉(zhuǎn)換 - 電壓電平 5V PECL to TTL 1:9 Clock Driver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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