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參數(shù)資料
| 型號(hào)： | MPC942P |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | Low Voltage 1:18 Clock Distribution Chip |
| 中文描述： | 低壓1:18時(shí)鐘分配芯片 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 356K |
| 代理商： | MPC942P |
SEMICONDUCTOR TECHNICAL DATA
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DATA SHEET
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
02/01
The MPC942 is a 1:18 low voltage clock distribution chip with 2.5V or
3.3V LVCMOS output capabilities. The device is offered in two versions;
the MPC942C has an LVCMOS input clock while the MPC942P has a
LVPECL input clock. The 18 outputs are 2.5V or 3.3V LVCMOS
compatible and feature the drive strength to drive 50
series or parallel
terminated transmission lines. With output–to–output skews of 200ps, the
MPC942 is ideal as a clock distribution chip for the most demanding of
synchronous systems. The 2.5V outputs also make the device ideal for
supplying clocks for a high performance Pentium II
microprocessor
based design.
LVPECL Clock Input
2.5V LVCMOS Outputs for Pentium II Microprocessor Support
200ps Maximum Targeted Output–to–Output Skew
Maximum Output Frequency of 250MHz @ 3.3 VCC
32–Lead LQFP Packaging
Single 3.3V or 2.5V Supply
With a low output impedance (
≈
12
), in both the HIGH and LOW logic
states, the output buffers of the MPC942 are ideal for driving series
terminated transmission lines. With an output impedance of 12
the
MPC942 can drive two series terminated transmission lines from each
output. This capability gives the MPC942 an effective fanout of 1:36. The
MPC942 provides enough copies of low skew clocks for most high
performance synchronous systems.
The differential LVPECL inputs of the MPC942P allow the device to interface directly with a LVPECL fanout buffer like the
MC100EP111 to build very wide clock fanout trees or to couple to a high frequency clock source. The OE pins will place the
outputs into a high impedance state. The OE pin has an internal pullup resistor.
The MPC942 is a single supply device. The VCC power pins require either 2.5V or 3.3V. The 32–lead LQFP package was
chosen to optimize performance, board space and cost of the device. The 32–lead LQFP has a 7x7mm body size with a
conservative 0.8mm pin spacing.
Pentium II is a trademark of Intel Corporation.
LOW VOLTAGE
1:18 CLOCK
DISTRIBUTION CHIP
FA SUFFIX
32–LEAD LQFP PACKAGE
CASE 873A–02
F
Freescale Semiconductor, Inc.
For More Information On This Product,
1
n
.
MPC942P
IDT
Low Voltage 1:18 Clock Distribution Chip
MPC942P
Low Voltage 1:18 Clock Distribution
Chip
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MPC942PAC | 功能描述:IC CLOCK DIST CHIP 1:18 32-LQFP RoHS:是 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 |
| MPC942PACR2 | 功能描述:IC CLK DISTR CHIP LV 1:18 32LQFP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:- 標(biāo)準(zhǔn)包裝:28 系列:- 類型:時(shí)鐘/頻率發(fā)生器 PLL:是 主要目的:Intel CPU 服務(wù)器 輸入:時(shí)鐘 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:3:22 差分 - 輸入:輸出:無(wú)/是 頻率 - 最大:400MHz 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:64-TFSOP （0.240"，6.10mm 寬） 供應(yīng)商設(shè)備封裝:64-TSSOP 包裝:管件 |
| MPC942PFA | 功能描述:IC CLOCK DISTRIB LV 1:18 32-LQFP 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 |
| MPC942PFAR2 | 制造商:Integrated Device Technology Inc 功能描述:Clock Fanout Buffer 18-OUT 32-Pin LQFP T/R 制造商:Integrated Device Technology Inc 功能描述:CLOCK DRVR 18-OUT 32LQFP - Tape and Reel |
| MPC9443 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2.5V AND 3.3V LVCMOS CLOCK FANOUT BUFFER |
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