mpc9850 Integrated Device Technology, mpc9850 Datasheet

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mpc9850

Manufacturer Part Number
mpc9850
Description
Xtal-input, Lvcmos Input, 8 Lvcmos Output Clock Generator
Manufacturer
Integrated Device Technology
Datasheet

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IDT™ Clock Generator for PowerQUICC III
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
Clock Generator for PowerQUICC III
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2005. All rights reserved.
Clock Generator for PowerQUICC III
Freescale Microprocessor and Microcontroller applications including the
PowerQUICC III. This device generates a microprocessor input clock plus the
500 MHz Rapid I/O clock. The microprocessor clock is selectable in output
frequency to any of the commonly used microprocessor input and bus
frequencies. The Rapid I/O outputs are LVDS compatible. The device offers eight
low skew clock outputs organized into two output banks, each configurable to
support different clock frequencies. The extended temperature range of the
MPC9850 supports telecommunication and networking requirements.
Features
Functional Description
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 are divided into two banks of 4 low skew outputs each, for use
in driving a microprocessor or microcontroller clock input as well as other system components. The 2 GHz PLL output frequency
is also divided to produce a 125, 250 or 500 MHz clock output for Rapid I/O applications such as found on the PowerQUICC III
communications processor. The input reference, either crystal or external input is also buffered to a separate output that my be
used as the clock source for a Gigabit Ethernet PHY if desired.
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 REF_SEL. Other than the crystal, no external components are
required for crystal oscillator operation. The REF_33MHz configuration pins is used to select between a 33 and 25 MHz input
frequency.
The MPC9850 is a PLL based clock generator specifically designed for
The MPC9850 uses either a 25 or 33 MHz reference frequency to generate 8 LVCMOS output clocks, of which, the frequency
The reference clock may be provided by either an external clock input of 25 MHz or 33 MHz. An internal oscillator requiring a
The MPC9850 is packaged in a 100 lead MAPBGA package to optimize both performance and board density.
8 LVCMOS outputs for processor and other circuitry
50, 33 or 16 MHz
100-lead Pb-free Package Available
2 differential LVDS outputs for Rapid I/O interface
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,
Buffered reference clock output
Rapid I/O (LVDS) Output = 500, 250 or 125 MHz
Low cycle-to-cycle and period jitter
100-lead PBGA package
3.3V supply with 3.3V or 2.5V output LVCMOS drive
Supports computing, networking, telecommunications applications
Ambient temperature range –40°C to +85°C
1
100 MAPBGA PACKAGE
CLOCK GENERATOR
MICROPROCESSOR
VM SUFFIX (PB-FREE)
CASE 1462-01
VF SUFFIX
SCALE 2 1
DATA SHEET
Rev 5, 4/2005
MPC9850
MPC9850
MPC9850

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mpc9850 Summary of contents

Page 1

... Ambient temperature range –40°C to +85°C Functional Description The MPC9850 uses either 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, 40 120 to produce output frequencies of 200, 166, 133, 125, 111, 100 MHz ...

Page 2

... Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc Ref 0 1 PLL 2000 MHz Figure 1. MPC9850 Logic Diagram Type Function PLL Reference Clock Input (pull-down) PLL Reference Clock Input (PCLK - pull-down, PCLK - pull-up and pull-down) Bank A Outputs Bank B Outputs Bank C Outputs ...

Page 3

... PCLK XTAL Bypass Selects 33 MHz Reference Normal CLK_x[5] Frequency N (lsb) (MHz 126 15. 120 16. 25. 33. 50. 66. 83. 100. 111. 125. 133. 166. 200.00 ( 250 MPC9850 NETCOM MPC9850 3 ...

Page 4

... DD t reset_rel Figure 2. MR Operation V 4 defines the release time and the minimum pulse specifications. See DD for actual parameter values. The MPC9850 may be t reset_pulse µF 0.1 µF 15 Ω V DDA 0.1 µ ...

Page 5

... Per Output °C/W 54.5 Air flow = 0 °C 85 Typ Max Unit Condition 200 pins pins DDIN 175 mA V DDOA V DDOB 200 pins pins DDIN 100 mA V DDOA V DDOB MPC9850 NETCOM DDA and pins DDA and pins MPC9850 5 ...

Page 6

... PP Typ Max Unit Condition V + 0.3 V LVCMOS DD 0.8 V LVCMOS µA ± 200 GND IN DDL – 0 Ω 14 – – 0 Ω 18 – 22 Advanced Clock Drivers Devices Freescale Semiconductor NETCOM (AC) MPC9850 ...

Page 7

... AC characteristics are design targets and pending characterization characteristics apply for parallel output termination of 50Ω bypass mode, the MPC9850 divides the input reference clock. 4. The input reference frequency must match the VCO lock range divided by the total feedback divider ratio: f ...

Page 8

... MPC9850 Clock Generator for PowerQUICC III Table 12. MPC9850 Pin Diagram (Top View DDOA DDOA DDOA DDOA RSVD RSVD DDA DDA REF_SEL CLK E PCLK PCLK F REF_CLK_SEL REF_33MHz G XTAL_IN XTAL_OUT DDOB DDOB DDOB DDOB Table 13. MPC9850 Pin List ...

Page 9

... Y14.5M, 1994. 3. MAXIMUM SOLDER BALL DIAMETER MEASURED PARALLEL TO DATUM A. 4. DATUM A, SEATING PLANE, IS DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS. 5. PARALLELISM MEASUREMENT SHALL EXCLUDE ANY EFFECT OF MARK ON TOP SURFACE OF PACKAGING. 5 0.35 A 100X SEATING 4 A PLANE 0.12 A DETAIL K ROTATED 90˚ CLOCKWISE MPC9850 NETCOM MPC9850 9 ...

Page 10

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