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參數資料
| 型號： | MPC9653AACR2 |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 9653 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, LEAD FREE, PLASTIC, LQFP-32 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 344K |
| 代理商： | MPC9653AACR2 |
MPC9653A
Rev 4, 10/2004
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2004. All rights reserved.
3.3 V 1:8 LVCMOS PLL Clock
Generator
The MPC9653A is a 3.3 V compatible, 1:8 PLL based clock generator and
zero-delay buffer targeted for high performance low-skew clock distribution in
mid-range to high-performance telecom, networking and computing applications.
With output frequencies up to 125 MHz and output skews less than 150 ps the
device meets the needs of the most demanding clock applications.
Features
1:8 PLL based low-voltage clock generator
Supports zero-delay operation
3.3 V power supply
Generates clock signals up to 125 MHz
PLL guaranteed to lock down to 145 MHz, output frequency = 36.25 MHz
Maximum output skew of 150 ps
Differential LVPECL reference clock input
External PLL feedback
Drives up to 16 clock lines
32-lead LQFP packaging
32-lead Pb-free Package Available
Ambient temperature range 0
°C to +70°C
Pin and function compatible to the MPC953 and MPC9653
Functional Description
The MPC9653A utilizes PLL technology to frequency lock its outputs onto an
input reference clock. Normal operation of the MPC9653A requires the connec-
tion of the QFB output to the feedback input to close the PLL feedback path (external feedback). With the PLL locked, the output
frequency is equal to the reference frequency of the device and VCO_SEL selects the operating frequency range of 25 to
62.5 MHz or 50 to 125 MHz. The two available post-PLL dividers selected by VCO_SEL (divide-by-4 or divide-by-8) and the ref-
erence clock frequency determine the VCO frequency. Both must be selected to match the VCO frequency range. The internal
VCO of the MPC9653A is running at either 4x or 8x of the reference clock frequency. The MPC9653A is guaranteed to lock in a
low power PLL mode in the high frequency range (VCO_SEL = 0) down to PLL = 145 MHz or Fref = 36.25 MHz.
The MPC9653A has a differential LVPECL reference input along with an external feedback input. The device is ideal for use
as a zero delay, low skew fanout buffer. The device performance has been tuned and optimized for zero delay performance.
The PLL_EN and BYPASS controls select the PLL bypass configuration for test and diagnosis. In this configuration, the se-
lected input reference clock is bypassing the PLL and routed either to the output dividers or directly to the outputs. The PLL by-
pass configurations are fully static and the minimum clock frequency specification and all other PLL characteristics do not apply.
The outputs can be disabled (high-impedance) and the device reset by asserting the MR/OE pin. Asserting MR/OE also causes
the PLL to loose lock due to missing feedback signal presence at FB_IN. Deasserting MR/OE will enable the outputs and close
the phase locked loop, enabling the PLL to recover to normal operation.
The MPC9653A is fully 3.3 V compatible and requires no external loop filter components. The inputs (except PCLK) accept
LVCMOS signals while the outputs provide LVCMOS compatible levels with the capability to drive terminated 50
transmission
lines. For series terminated transmission lines, each of the MPC9653A outputs can drive one or two traces giving the devices an
effective fanout of 1:16. The device is packaged in a 7x7 mm2 32-lead LQFP package.
FA SUFFIX
32-LEAD LQFP PACKAGE
CASE 873A-03
AC SUFFIX
32-LEAD LQFP PACKAGE
Pb-FREE PACKAGE
CASE 873A-03
MPC9653A
LOW VOLTAGE
3.3 V LVCMOS 1:8
PLL CLOCK GENERATOR
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MPC9653AACR2/W | 功能描述:IC PLL CLK GEN 1:8 3.3V 32-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發生器，PLL，頻率合成器 系列:- 標準包裝:2,000 系列:- 類型:PLL 時鐘發生器 PLL:帶旁路 輸入:LVCMOS，LVPECL 輸出:LVCMOS 電路數:1 比率 - 輸入:輸出:2:11 差分 - 輸入:輸出:是/無 頻率 - 最大:240MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:32-LQFP 供應商設備封裝:32-TQFP（7x7） 包裝:帶卷 (TR) |
| MPC9653AC | 功能描述:時鐘發生器及支持產品 3.3V 125MHz Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9653AFA | 功能描述:時鐘發生器及支持產品 3.3V 125MHz Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MPC9653AFAR2 | 功能描述:IC PLL CLK GENERATOR 1:8 32-LQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發生器，PLL，頻率合成器 系列:- 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數:1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應商設備封裝:* 包裝:* |
| MPC9653FA | 功能描述:時鐘發生器及支持產品 3.3V 125MHz Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
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