IC Phoenix
 
Home ›  MM157 > MPC9855,Clock Generator for PowerQUICC and PowerPC Microprocessors
MPC9855 Fast Delivery,Good Price
Part Number:
If you need More Quantity or Better Price,Welcom Any inquiry.
We available via phone +865332716050 Email
Partno Mfg Dc Qty AvailableDescript
MPC9855IDT N/a6avaiClock Generator for PowerQUICC and PowerPC Microprocessors


MPC9855 ,Clock Generator for PowerQUICC and PowerPC MicroprocessorsFunctional DescriptionThe MPC9855 uses either a 25 or 33 MHz reference frequency to generate 8 LVCM ..
MPC991 ,LOW VOLTAGE PLL CLOCK DRIVERfeatures an external differential ECL/PECL feedback to the PLL. This external feedback feature allo ..
MPC991FA ,Low voltage PLL clock driverfeatures an external differential ECL/PECL feedback to the PLL. This external feedback feature allo ..
MPC992 ,LOW VOLTAGE PLL CLOCK DRIVERLOGIC DIAGRAMPLL_ENVCO_SELXTAL_SEL0x2XTAL1XTAL011XTAL2 OSCIntegrated10 PLLPECL_CLKPECL_CLKQan(x4)Qa ..
MPC992 ,LOW VOLTAGE PLL CLOCK DRIVERMAXIMUM RATINGS*Symbol Parameter Min Max UnitV Supply Voltage –0.3 4.6 VCCV Input Voltage –0.3 V + ..
MPC992 ,LOW VOLTAGE PLL CLOCK DRIVER**SEMICONDUCTOR TECHNICAL DATA * * **The MPC992 is a 3.3V compatible, PLL based PECL clock genera ..
MSP430F1612IPMR ,16-bit Ultra-Low-Power MCU, 55kB Flash, 5120B RAM, 12-Bit ADC, Dual DAC, 2 USART, I2C, HW Mult, DMAMSP430F15x, MSP430F16x, MSP430F161xMIXED SIGNAL MICROCONTROLLERSLAS368G − OCTOBER 2002 − REVISED MA ..
MSP430F1612IRTD ,MIXED SIGNAL MICROCONTROLLOER.‡Package drawings, thermal data, and symbolization are available at
MSP430F1612IRTDR ,MIXED SIGNAL MICROCONTROLLERMSP430F15x, MSP430F16x, MSP430F161xMIXED SIGNAL MICROCONTROLLERSLAS368G − OCTOBER 2002 − REVISED MA ..
MSP430F1612IRTDT ,MIXED SIGNAL MICROCONTROLLERfeaturesa powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to ma ..
MSP430F167IPM ,16-bit Ultra-Low-Power MCU, 32kB Flash, 1024B RAM, 12-Bit ADC, Dual DAC, 2 USART, I2C, HW Mult, DMAMSP430F15x, MSP430F16x, MSP430F161xMIXED SIGNAL MICROCONTROLLERSLAS368G − OCTOBER 2002 − REVISED MA ..
MSP430F167IPMR ,16-bit Ultra-Low-Power MCU, 32kB Flash, 1024B RAM, 12-Bit ADC, Dual DAC, 2 USART, I2C, HW Mult, DMAfeaturesa powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to ma ..


MPC9855
Clock Generator for PowerQUICC and PowerPC Microprocessors
MPC9855
Rev 2, 1/2005Freescale Semiconductor
Technical Data
Preliminary Information
Clock Generator for PowerQUICC and PowerPC Microprocessors

The MPC9855 is a PLL based clock generator specifically designed for
Freescale Microprocessor and Microcontroller applications including the
PowerPC and PowerQUICC. This device generates a microprocessor input
clock. The microprocessor clock is selectable in output frequency to any of the
commonly used microprocessor input and bus frequencies. The device offers
eight low skew clock outputs in two banks, each configurable to support different
clock frequencies. The extended temperature range of the MPC9855 supports
telecommunication and networking requirements.
Features
8 LVCMOS outputs for processor and other circuitry Crystal oscillator or external reference input 25 or 33 MHz Input reference frequency Selectable output frequencies include= 200, 166, 133,125, 111, 100, 83, 66,
50, 33, or 16 MHz Buffered reference clock output (2 copies) Low cycle-to-cycle and period jitter 100-lead PBGA package 100-lead Pb-free Package Available 3.3 V supply with 3.3 V or 2.5 V LVCMOS output supplies Supports computing, networking, telecommunications applications Ambient temperature range –40°C to +85°C 100-lead PBGA package 100-lead Pb-free Package Available
Functional Description

The MPC9855 uses either a 25 or 33 MHz reference frequency to generate 8 LVCMOS output clocks, of which, the frequency
is selectable from 16 MHz to 200 MHz. The reference is applied to the input of a PLL and multiplied to 2 GHz. Output dividers,
divide this frequency by 10, 12, 15, 16, 18, 20, 24, 30, 40, 60, or 120 to produce output frequencies of 200, 166, 133, 125, 111,
100, 83, 66, 50, 33, or 16 MHz. The single-ended LVCMOS outputs provide 8 low skew outputs for use in driving a microprocessor
or microcontroller clock input as well as other system components. The input reference, either crystal or external input is also
buffered to a separate dual outputs that my be used as the clock source for a Ethernet PHY if desired.
The reference clock may be provided by either an external clock input of 25 or 33 MHz. An internal oscillator requiring a 25
MHz crystal for frequency control may also be used. The external clock source my be applied to either of two clock inputs and
selected via the CLK_SEL control input. Both single ended LVCMOS and differential LVPECL inputs are available. The crystal
oscillator or external clock input is selected via the input pin of XTAL_SEL. Other than the crystal, no external components are
required for crystal oscillator operation. The REF_33 MHz configuration pin is used to select between a 33 and 25 MHz input
frequency.
The MPC9855 is packaged in a 100 lead MAPBGA package to optimize both performance and board density.
ic,good price


TEL:86-533-2716050      FAX:86-533-2716790
   

©2020 IC PHOENIX CO.,LIMITED