MPC9992FA

更新时间:2024-09-18 19:16:56
品牌:IDT
描述:Clock Generator, 400MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, MS-026BBA, LQFP-32

MPC9992FA 概述

Clock Generator, 400MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, MS-026BBA, LQFP-32 时钟发生器

MPC9992FA 规格参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, MS-026BBA, LQFP-32针数:32
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
JESD-30 代码:S-PQFP-G32JESD-609代码:e0
长度:7 mm湿度敏感等级:3
端子数量:32最高工作温度:70 °C
最低工作温度:最大输出时钟频率:400 MHz
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装等效代码:QFP32,.35SQ,32封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE峰值回流温度(摄氏度):225
电源:3.3 V主时钟/晶体标称频率:400 MHz
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Clock Generators最大压摆率:1 mA
最大供电电压:3.465 V最小供电电压:3.135 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:7 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

MPC9992FA 数据手册

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DATA SHEET  
MPC9992  
3.3 V Differential ECL/PECL PLL  
Clock Generator  
The MPC9992 is a 3.3 V compatible, PLL based PECL clock driver. Using  
SiGe technology and a fully differential design ensures optimum skew and PLL  
jitter performance. The performance of the MPC9992 makes the device ideal for  
workstation, mainframe computer and telecommunication applications. With  
output frequencies up to 400 MHz and output skews less than 100 ps the device  
meets the needs of the most demanding clock applications. The MPC9992 offers  
a differential PECL input and a crystal oscillator interface. All control signals are  
LVCMOS compatible.  
3.3 V DIFFERENTIAL  
ECL/PECL  
CLOCK GENERATOR  
Features  
7 differential outputs, PLL based clock generator  
SiGe technology supports minimum output skew (max. 100 ps)  
FA SUFFIX  
32-LEAD LQFP PACKAGE  
CASE 873A-04  
Supports up to two generated output clock frequencies with a maximum clock  
frequency up to 400 MHz  
Selectable crystal oscillator interface and PECL compatible clock input  
SYNC pulse generation  
PECL compatible differential clock inputs and outputs  
Single 3.3 V (PECL) supply  
AC SUFFIX  
32-LEAD LQFP PACKAGE  
Pb-FREE PACKAGE  
CASE 873A-04  
Ambient temperature range 0°C to +70°C  
Standard 32 lead LQFP package  
Pin and function compatible to the MPC992  
32-lead Pb-free Package Available  
Functional Description  
The MPC9992 utilizes PLL technology to frequency lock its outputs onto an input reference clock. The reference clock fre-  
quency and the divider for the feedback path determine the VCO frequency. Both must be selected to match the VCO frequency  
range. The MPC9992 features frequency programmability between the three output banks outputs as well as the output to input  
relationships. Output frequency ratios of 2:1, 3:1, 3:2 and 5:2 can be realized. The two banks of outputs and the feedback fre-  
quency divider can be programmed by the FSEL[2:0] pins of the device. The VCO_SEL pin provides an extended PLL input ref-  
erence frequency range.  
The SYNC pulse generator monitors the phase relationship between the QA[3:0] and QB[2:0] output banks. The SYNC gen-  
erator output signals the coincident edges of the two output banks. This feature is useful for non binary relationships between  
output frequencies.  
The REF_SEL pin selects the differential PECL compatible input pair or crystal oscillator interface as the reference clock sig-  
nal. The PLL_EN control selects the PLL bypass configuration for test and diagnosis. In this configuration, the selected input  
reference clock is routed directly to the output dividers bypassing the PLL. The PLL bypass is fully static and the minimum clock  
frequency specification and all other PLL characteristics do not apply.  
The MPC9992 requires an external reset signal for start-up and for PLL recovery in case the reference input is interrupted.  
Assertion of the reset signal forces all outputs to the logic low state.  
The MPC9992 is fully 3.3 V compatible and requires no external loop filter components. The differential clock input (PCLK) is  
PECL compatible and all control inputs accept LVCMOS compatible signals while the outputs provide PECL compatible levels  
with the capability to drive terminated 50 transmission lines.  
The device is pin and function compatible to the MPC992 and is packaged in a 32-lead LQFP package.  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
1
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Bank A  
QA0  
QA0  
All input resistors have a value of 50k  
V
CC  
QA1  
QA1  
XTAL_IN  
XTAL_OUT  
XTAL  
1
0
÷2, ÷4  
÷4, ÷6, ÷10  
÷16, ÷24, ÷40  
Sync Pulse  
0
1
QA2  
QA2  
Ref  
VCO  
÷4  
÷2  
1
0
PCLK  
PCLK  
QA3  
QA3  
PLL  
800–1600 MHz  
V
CC  
Bank B  
QB0  
QB0  
REF_SEL  
FB  
V
CC  
QB1  
QB1  
VCO_SEL  
PLL_EN  
QB2  
QB2  
V
CC  
2
FSEL[1:0]  
MR/STOP  
Sync  
QSYNC  
QSYNC  
Figure 1. MPC9992 Logic Diagram  
24 23 22 21 20 19 18 17  
25  
26  
27  
28  
29  
30  
31  
32  
16  
QB0  
QB0  
QA1  
QA1  
QA0  
QA0  
15  
14  
13  
12  
11  
10  
9
QB1  
QB1  
MPC9992  
GND  
QB2  
V
QB2  
CC_PLL  
MR/STOP  
PLL_EN  
GND  
V
CC  
1
2
3
4
5
6
7
8
Figure 2. MPC9992 32-Lead Package Pinout (Top View)  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
2
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Table 1. MPC9992 PLL Configurations  
Frequency Ratio  
QA to QB  
Internal Feedback  
(M VCO_SEL)  
f
(MHz)  
QA[3:0] (N )  
A
QB[2:0] (N )  
B
VCO_SEL  
FSEL_0  
FSEL_1  
REF  
0
0
0
16.6–33.3  
25–50  
VCO÷8  
VCO÷12  
3÷2  
2÷1  
5÷2  
3÷1  
3÷2  
2÷1  
5÷2  
3÷1  
VCO÷48  
(6 f  
)
(4 f  
)
REF  
REF  
0
0
0
1
1
1
1
0
1
1
0
0
1
1
1
0
1
0
1
0
1
VCO÷4  
VCO÷8  
VCO÷32  
VCO÷80  
VCO÷48  
VCO÷96  
VCO÷64  
VCO÷160  
VCO÷96  
(8 f  
)
(4 f  
)
REF  
REF  
10–20  
VCO÷8  
(10 f  
VCO÷20  
(4 f  
)
)
REF  
REF  
16.6–33.3  
8.3–16.6  
12.5–25  
5–10  
VCO÷4  
VCO÷12  
(4 f )  
REF  
(12 f  
)
REF  
VCO÷16  
VCO÷24  
(4 f )  
REF  
(6 f  
)
REF  
VCO÷8  
VCO÷16  
(4 f )  
REF  
(8 f  
)
REF  
VCO÷16  
VCO÷40  
(4 f )  
REF  
(10 f  
)
)
REF  
8.3–16.6  
VCO÷8  
VCO÷24  
(4 f  
(12 f  
)
REF  
REF  
Table 2. Function Table (Configuration Controls)  
Control  
Default  
0
1
REF_SEL  
1
Selects PCLK, PCLK as PLL references signal input  
Selects the crystal oscillator as PLL reference signal  
input  
VCO_SEL  
PLL_EN  
1
1
Selects VCO÷2. The VCO frequency is scaled by a factor Selects VCO÷4. The VCO frequency is scaled by a factor  
of 2 (high input frequency range) of 4 (low input frequency range).  
Test mode with the PLL bypassed. The reference clock is Normal operation mode with PLL enabled.  
substituted for the internal VCO output. MPC9992 is fully  
static and no minimum frequency limit applies. All PLL  
related AC characteristics are not applicable.  
MR/STOP  
0
Normal operation  
Reset of the device and output disable (output clock  
stop). The outputs are stopped in logic low state: Qx=L,  
Qx=H. The minimum reset period should be greater than  
one reference clock cycle.  
VCO_SEL and FSEL[1:0] control the operating PLL frequency range and input/output frequency ratios.  
See Table 1 for the device frequency configuration.  
Table 3. Pin Configuration  
Pin  
PCLK, PCLK  
XTAL_IN, XTAL_OUT  
VCO_SEL  
I/O  
Type  
PECL  
Function  
Input  
Differential reference clock signal input  
Crystal oscillator interface  
Analog  
LVCMOS  
LVCMOS  
LVCMOS  
LVCMOS  
LVCMOS  
PECL  
Input  
VCO operating frequency select  
PLL Enable/Bypass mode select  
PLL reference signal input select  
PLL_EN  
Input  
REF_SEL  
Input  
MR/STOP  
Input  
Device reset and output clock disable (stop in logic low state)  
Output and PLL feedback frequency divider select  
Differential clock outputs (bank A)  
FSEL[1:0]  
Input  
QA[0-3], QA[0–3]  
QB[0-2], QB[0–2]  
QSYNC, QSYNC  
GND  
Output  
Output  
Output  
Supply  
Supply  
PECL  
Differential clock outputs (bank B)  
PECL  
Differential clock outputs (bank C)  
GND  
Negative power supply  
V
V
Positive power supply. All V pins must be connected to the positive power supply for  
CC  
CC  
CC  
correct DC and AC operation  
V
Supply  
V
PLL positive power supply (analog power supply). It is recommended to use an external RC  
CC_PLL  
CC  
filter for the analog power supply pin V  
. Please see applications section for details  
CC_PLL  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
3
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Table 4. Absolute Maximum Ratings(1)  
Symbol  
Characteristics  
Min  
–0.3  
–0.3  
–0.3  
Max  
Unit  
V
Condition  
V
Supply Voltage  
3.9  
CC  
V
DC Input Voltage  
V
V
+0.3  
V
IN  
CC  
CC  
V
DC Output Voltage  
DC Input Current  
+0.3  
V
OUT  
I
±20  
mA  
mA  
°C  
IN  
I
DC Output Current  
Storage Temperature  
±50  
OUT  
T
S
–65  
125  
1. Absolute maximum continuous ratings are those maximum values beyond which damage to the device may occur. Exposure to these  
conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation at absolute-maximum-rated  
conditions is not implied.  
Table 5. General Specifications  
Symbol  
Characteristics  
Output Termination Voltage  
Min  
Typ  
– 2  
Max  
Unit  
V
Condition  
V
V
TT  
CC  
MM  
ESD Protection (Machine Model)  
175  
2000  
1000  
200  
V
HBM  
ESD Protection (Human Body Model)  
V
CDM ESD Protection (Charged Device Model)  
V
LU  
Latch-Up Immunity  
mA  
pF  
C
Input Capacitance  
4.0  
Inputs  
IN  
θ
Thermal Resistance Junction to Ambient  
JA  
JESD 51-3, single layer test board  
83.1  
73.3  
68.9  
63.8  
57.4  
86.0  
75.4  
70.9  
65.3  
59.6  
°C/W Natural convection  
°C/W 100 ft/min  
°C/W 200 ft/min  
°C/W 400 ft/min  
°C/W 800 ft/min  
JESD 51-6, 2S2P multilayer test board  
59.0  
54.4  
52.5  
50.4  
47.8  
60.6  
55.7  
53.8  
51.5  
48.8  
°C/W Natural convection  
°C/W 100 ft/min  
°C/W 200 ft/min  
°C/W 400 ft/min  
°C/W 800 ft/min  
θ
Thermal Resistance Junction to Case  
23.0  
26.3  
°C/W MIL-SPEC 883E  
JC  
Method 1012.1  
(1)  
T
Operating Junction Temperature  
(continuous operation)  
J
MTBF = 9.1 years  
0
110  
°C  
1. Operating junction temperature impacts device life time. Maximum continuous operating junction temperature should be selected according  
to the application life time requirements (See application note AN1545 for more information). The device AC and DC parameters are  
specified up to 110°C junction temperature allowing the MPC9992 to be used in applications requiring industrial temperature range. It is  
recommended that users of the MPC9992 employ thermal modeling analysis to assist in applying the junction temperature specifications to  
their particular application.  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
4
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Table 6. DC Characteristics (VCC = 3.3 V ± 5%, GND = 0V, TA = 0°C to 70°C)  
Symbol  
Characteristics  
Min  
Typ  
Max  
Unit  
Condition  
(1)  
Differential PECL Clock Inputs (PCLK, PCLK)  
(2)  
V
AC Differential Input Voltage  
0.2  
1.0  
1.3  
V
V
Differential operation  
Differential operation  
PP  
(3)  
V
Differential Cross Point Voltage  
V
-0.3  
CMR  
CC  
(4)  
I
Input Current  
±120  
µA  
V
= V or GND  
IN  
IN CC  
LVCMOS Control Inputs (VCO_SEL, PLL_EN, MR/STOP, REF_SEL, FSEL[1:0])  
V
Input High Voltage  
Input Low Voltage  
2.0  
V
+ 0.3  
CC  
V
V
LVCMOS  
LVCMOS  
IH  
V
I
0.8  
IL  
(4)  
Input Current  
±120  
µA  
V
= V or GND  
CC  
IN  
IN  
PECL Clock Outputs (QA[3:0], QA[3:0], QB[2:0], QB[2:0], QSYNC, QSYNC)  
V
Output High Voltage  
Output Low Voltage  
V
–1.025  
V
V
–0.880  
–1.620  
V
V
I
I
= –30 mA  
= –5 mA  
OH  
CC  
CC  
CC  
OH  
V
V
–1.920  
OL  
CC  
OL  
Supply Current and Voltage  
V
PLL Supply Voltage  
2.955  
V
V
V
V
pin  
pin  
CC_PLL  
CC  
CC_PLL  
I
Maximum PLL Supply Current  
Maximum Supply Current  
9.0  
80  
12  
110  
mA  
CC_PLL  
(5)  
CC_PLL  
I
mA GND pins  
GND  
1. V (DC) is the minimum differential input voltage swing required to maintain device functionality.  
PP  
2. V  
(DC) is the crosspoint of the differential input signal. Functional operation is obtained when the crosspoint is within the V  
(DC)  
CMR  
CMR  
range and the input swing lies within the V (DC) specification.  
PP  
3. Inputs have pull-down resistors affecting the input current.  
4. Equivalent to a termination of 50 to V  
.
TT  
5. Does not include output drive current which is dependant on output termination methods.  
MPC9992  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
5
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Table 7. AC Characteristics (VCC = 3.3 V ± 5%, GND = 0 V, TA = 0°C to +70°C)(1)  
Symbol  
Characteristics  
Input Reference Frequency  
Min  
Typ  
Max  
Unit  
Condition  
f
÷32 feedback  
÷48 feedback  
÷64 feedback  
÷80 feedback  
÷96 feedback  
÷160 feedback  
25.0  
16.67  
12.5  
10.0  
8.33  
5.0  
50.0  
33.3  
25.0  
20.0  
16.67  
10.0  
MHz PLL locked  
ref  
MHz  
MHz  
MHz  
MHz  
MHz  
(2)  
Input Reference Frequency in PLL Bypass Mode  
400  
20  
MHz PLL bypass  
(3)  
f
Crystal Interface Frequency Range  
10  
MHz  
MHz  
XTAL  
(4)  
f
VCO Frequency Range  
800  
1600  
VCO  
MAX  
f
Output Frequency  
÷4 output  
200.0  
100.0  
66.6  
50.0  
40.0  
33.3  
16.6  
400.0  
200.0  
133.3  
100.0  
80.0  
MHz PLL locked  
÷8 output  
÷12 output  
÷16 output  
÷20 output  
÷24 output  
÷48 output  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
66.6  
33.3  
(5)  
V
Differential Input Voltage (peak-to-peak)  
0.3  
1.2  
0.6  
2.0  
1.3  
V
V
PP  
(6)  
V
Differential Input Crosspoint Voltage  
(PCLK)  
V
–0.3  
CC  
CMR  
V
Differential Output Voltage (peak-to-peak) (PCLK)  
0.8  
V
O(P-P)  
(7)  
t
Input Reference Pulse Width  
ns  
ps  
%
ps  
ps  
ps  
PW,MIN  
t
Output-to-Output Skew  
100  
sk(O)  
(8)  
DC  
Output Duty Cycle  
48  
50  
30  
43  
86  
52  
79  
(9)  
t
Cycle-to-Cycle Jitter  
JIT(CC)  
(9)  
t
Period Jitter  
106  
212  
JIT(PER)  
(9)  
(10)  
t
I/O Phase Jitter  
RMS (1 σ)  
JIT()  
(11)  
BW  
PLL Closed Loop Bandwidth  
÷32 feedback  
÷48 feedback  
÷64 feedback  
÷80 feedback  
÷96 feedback  
÷160 feedback  
0.60-1.5  
0.40-1.2  
0.30-1.0  
0.30-0.8  
0.20-0.7  
0.15-0.4  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
t
Maximum PLL Lock Time  
Output Rise/Fall Time  
10  
ms  
LOCK  
t , t  
0.05  
1.0  
ns  
20% to 80%  
r
f
1. AC characteristics apply for parallel output termination of 50 to V  
.
TT  
2. In bypass mode, the MPC9992 divides the input reference clock.  
3. The crystal frequency range must both meet the interface frequency range and VCO lock range divided by the feedback divider ratio:  
= f ÷ (M VCO_SEL) and 10 MHz f 20 MHz.  
f
XTAL(min, max)  
VCO(min, max)  
XTAL  
4. The input reference frequency must match the VCO lock range divided by the total feedback divider ratio: f = f  
÷ (M VCO_SEL)  
ref  
VCO  
5. V is the minimum differential input voltage swing required to maintain AC characteristics.  
PP  
6. V  
(AC) is the crosspoint of the differential input signal. Normal AC operation is obtained when the crosspoint is within the V  
(AC)  
CMR  
CMR  
range and the input swing lies within the V (AC) specification.  
PP  
7. Calculation of reference duty cycle limits: DC  
= t  
f  
100% and DC  
= 100% – DC  
E.g. at f  
= 50 MHz  
REF  
REF,MIN  
PW,MIN REF  
REF,MAX  
REF, MIN.  
the input duty cycle range is 10% < DC < 90%.  
8. Output duty cycle for QAx and QBx outputs. The pulse width for the QSYNC output is equal to one QAx output period t ± 5%.  
QA  
9. Jitter data is valid f = 25 MHz.  
ref  
10. See application section for a jitter calculation for other confidence factors than 1 σ.  
11. –3 dB point of PLL transfer characteristics.  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
6
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
APPLICATIONS INFORMATION  
the B bank of outputs. The QSYNC output is asserted (logic  
SYNC Output Description  
high) one QA period in duration. The placement of the pulse  
is dependent on the QA and QB output frequencies ratio.  
Figure 3 shows the waveforms for the QSYNC output. The  
QSYNC output is defined for all possible combinations of the  
bank A and bank B outputs.  
The MPC9992 has a system synchronization pulse output  
QSYNC. In configurations with the output frequency  
relationships are not integer multiples of each other QSYNC  
provides a signal for system synchronization purposes. The  
MPC9992 monitors the relationship between the A bank and  
2:1 Mode  
Qa  
Qb  
QSYNC  
3:1 Mode  
3:2 Mode  
5:2 Mode  
Qa  
Qb  
QSYNC  
Qa  
Qb  
QSYNC  
Qa  
Qb  
QSYNC  
Figure 3. QSYNC Timing Diagram  
MPC9992  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
7
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
Power Supply Filtering  
R = 10 – 15Ω  
C = 22 µF  
F
F
The MPC9992 is a mixed analog/digital product. Its analog  
circuitry is naturally susceptible to random noise, especially if  
this noise is seen on the power supply pins. Random noise  
on the VCC_PLL power supply impacts the device  
R
F
V
V
CC  
CC_PLL  
C
10 nF  
F
MPC9992  
characteristics, for instance I/O jitter. The MPC9992 provides  
separate power supplies for the output buffers (VCC) and the  
phase-locked loop (VCC_PLL) of the device. The purpose of  
this design technique is to isolate the high switching noise  
digital outputs from the relatively sensitive internal analog  
phase-locked loop. In a digital system environment where it  
is more difficult to minimize noise on the power supplies a  
second level of isolation may be required. The simple but  
effective form of isolation is a power supply filter on the  
VCC_PLL pin for the MPC9992. Figure 4 illustrates a typical  
power supply filter scheme. The MPC9992 frequency and  
phase stability is most susceptible to noise with spectral  
content in the 100 kHz to 20 MHz range. Therefore the filter  
should be designed to target this range. The key parameter  
that needs to be met in the final filter design is the DC voltage  
drop across the series filter resistor RF. From the data sheet  
the ICC_PLL current (the current sourced through the VCC_PLL  
pin) is typically 9 mA (12 mA maximum), assuming that a  
minimum of 2.955 V must be maintained on the VCC_PLL pin.  
The resistor RF shown in Figure 4 must have a resistance of  
10-15 to meet the voltage drop criteria.  
V
CC  
33...100 nF  
Figure 4. VCC_PLL Power Supply Filter  
The minimum values for RF and the filter capacitor CF are  
defined by the required filter characteristics: the RC filter  
should provide an attenuation greater than 40 dB for noise  
whose spectral content is above 100 kHz. In the example RC  
filter shown in Figure 4, the filter cut-off frequency is around  
3-5 kHz and the noise attenuation at 100 kHz is better than  
42 dB.  
As the noise frequency crosses the series resonant point  
of an individual capacitor its overall impedance begins to look  
inductive and thus increases with increasing frequency. The  
parallel capacitor combination shown ensures that a low  
impedance path to ground exists for frequencies well above  
the bandwidth of the PLL. Although the MPC9992 has  
several design features to minimize the susceptibility to  
power supply noise (isolated power and grounds and fully  
differential PLL) there still may be applications in which  
overall performance is being degraded due to system power  
supply noise. The power supply filter schemes discussed in  
this section should be adequate to eliminate power supply  
noise related problems in most designs.  
Z = 50 Ω  
Z = 50 Ω  
Differential Pulse  
Generator  
Z = 50 Ω  
MPC9992 DUT  
R = 50 Ω  
R = 50 Ω  
T
T
V
V
TT  
TT  
Figure 5. MPC9992 AC Test Reference  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
8
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
PACKAGE DIMENSIONS  
PAGE 1 OF 3  
CASE 873A-04  
ISSUE C  
32-LEAD LQFP PACKAGE  
MPC9992  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
9
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
PACKAGE DIMENSIONS  
PAGE 2 OF 3  
CASE 873A-04  
ISSUE C  
32-LEAD LQFP PACKAGE  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
MPC9992  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
10  
MPC9992  
3.3 V Differential ECL/PECL PLL Clock Generator  
NETCOM  
PACKAGE DIMENSIONS  
PAGE 3 OF 3  
CASE 873A-04  
ISSUE C  
32-LEAD LQFP PACKAGE  
MPC9992  
IDT™ 3.3 V Differential ECL/PECL PLL Clock Generator  
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc  
11  
992
3.3VDifferentialECL/PECL PLLClockGenerator  
Innovate with IDT and accelerate your future networks. Contact:  
www.IDT.com  
For Sales  
800-345-7015  
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© 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device  
Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered  
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MPC9993FAR2 MOTOROLA PLL BASED CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32, PLASTIC, LQFP-32 获取价格
MPC9993FAR2 NXP IC,1:5 OUTPUT, DIFFERENTIAL,CMOS,QFP,32PIN,PLASTIC 获取价格
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