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參數(shù)資料
| 型號： | MC92602ZTA |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA196 |
| 封裝： | MAPBGA-196 |
| 文件頁數(shù)： | 50/98頁 |
| 文件大小： | 896K |
| 代理商： | MC92602ZTA |
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5-4
MC92602 SERDES Reference Manual
MOTOROLA
Phase Locked Loop (PLL) Power Supply Filtering
5.6
Phase Locked Loop (PLL) Power Supply Filtering
An analog power supply is required. The PLLAVDD signal provides power for the analog
portions of the PLL. To ensure stability of the internal clock, the power supplied to the PLL
is ltered using a circuit similar to the one shown in Figure 5-1. For maximum
effectiveness, the lter circuit is placed as close as possible to the PLLAVDD ball to ensure
it lters out as much noise as possible. The ground connection should be near the
PLLAGND ball. The 0.01
F capacitor is closest to the ball, followed by the 1 F capacitor,
and nally the 1
resistor to Vdd on the 1.8V power plane. The capacitors are connected
from PLLAGND to the ground plane. Use ceramic chip capacitors with the highest possible
self-resonant frequency. All traces should be kept short, wide and direct.
Figure 5-1. PLL Power Supply Filter Circuits
5.7
Power Supply Decoupling Recommendations
The MC92602 requires a clean, tightly regulated source of power to ensure low jitter on
transmit, and reliable recovery of data in the receiver. An appropriate decoupling scheme is
outlined below.
Only surface mount technology (SMT) capacitors should be used, to minimize inductance.
Connections from all capacitors to power and ground should be done with multiple vias to
further reduce inductance.
First, the board should have about 10 x 10nF SMT ceramic chip capacitors as close as
possible to the 1.8v (Vdd and XVdd) balls of the device. The board should also have about
10 x 10nF SMT ceramic chip capacitors as close as possible to the 1.5v (VDDQ) balls of the
device. Where the board has blind vias, these capacitors should be placed directly below
the MC92602 supply and ground connections. Where the board does not have blind vias,
these capacitors should be placed in a ring around the MC92602, as close to the supply and
ground connections as possible.
Second, there should be a 1uF ceramic chip capacitor on each side of the MC92602 device.
This should be done for both the 1.8v supply and the 1.5v supply.
Third, between the MC92602 device and the voltage regulator, there should be a 10uF, low
equivalent series resistance (ESR) SMT tantalum chip capacitor, and a 100uF, low ESR
VDD
1
0.01 F
PLLAVDD
1.0 F
GND
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| MC92603VM | 功能描述:IC ETH TXRX QUAD GIG 256-MAPBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| MC92604VM | 功能描述:IC ETH TXRX DUAL GIG 196-MAPBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標準包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| MC92604ZT | 功能描述:IC TXRX ETH DUAL GIG 196-MAPBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:16-PDIP 包裝:管件 |
| MC92610 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Quad 3.125 Gbaud SERDES |
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