MPC953FAR2 Freescale Semiconductor, MPC953FAR2 Datasheet

MPC953FAR2

Manufacturer Part Number

MPC953FAR2

Description

IC PLL CLOCK DRIVER 32-LQFP

Manufacturer

Freescale Semiconductor

Type

Clock Driver, Fanout Distribution, Multiplexer , Zero Delay Bufferr

Datasheet

1.MPC953FAR2.pdf (8 pages)

Specifications of MPC953FAR2

Pll

Yes

Input

LVCMOS, LVPECL, LVTTL

Output

LVCMOS

Number Of Circuits

Ratio - Input:output

2:9

Differential - Input:output

Yes/No

Frequency - Max

110MHz

Divider/multiplier

Yes/No

Voltage - Supply

3.135 V ~ 3.465 V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

32-LQFP

Frequency-max

110MHz

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Other names

MPC953FATR

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Low Voltage PLL Clock Driver

targeted for high performance clock tree designs. With output frequencies

of up to 110MHz and output skews of 150ps the MPC953 is ideal for the

most demanding clock tree designs. The devices employ a fully

differential PLL design to minimize cycle–to–cycle and phase jitter.

external feedback input. These features make the MPC953 ideal for use

as a zero delay, low skew fanout buffer. The device performance has

been tuned and optimized for zero delay performance. The MR/OE input

pin will reset the internal counters and tristate the output buffers when

driven “high”.

filter components. All control inputs accept LVCMOS or LVTTL

compatible levels while the outputs provide LVCMOS levels with the

ability to drive terminated 50

device an effective fanout of 1:18. The device is packaged in a 7x7mm

32–lead LQFP package to provide the optimum combination of board

density and performance.

06/00

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

PECL_CLK

VCO_SEL

Motorola, Inc. 2000

Fully Integrated PLL

Output Frequency up to 110MHz in PLL Mode

Outputs Disable in High Impedance

LQFP Packaging

100ps Cycle–to–Cycle Jitter

The MPC953 is a 3.3V compatible, PLL based clock driver device

The MPC953 has a differential LVPECL reference input along with an

The MPC953 is fully 3.3V compatible and requires no external loop

BYPASS

FB_CLK

PLL_EN

MR/OE

lines, each of the MPC953 outputs can drive two traces giving the

(Int pull up)

(Int pull down)

(Int pull up)

transmission lines. For series terminated

Detector

Phase

LPF

Figure 1. Logic Diagram

200–500MHz

VCO

REV 3

PLL CLOCK DRIVER

32–LEAD LQFP PACKAGE

LOW VOLTAGE

MPC953

CASE 873A–02

FA SUFFIX

Order this document

by MPC953/D

QFB

Q0:6

Related parts for MPC953FAR2

MPC953FAR2 Summary of contents

Page 1

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Low Voltage PLL Clock Driver The MPC953 is a 3.3V compatible, PLL based clock driver device targeted for high performance clock tree designs. With output frequencies 110MHz and output skews of 150ps the ...

Page 2

MPC953 GNDO VCCO 27 QFB 28 MPC953 GNDO 29 PLL_EN 30 BYPASS 31 VCO_SEL Figure 2. 32–Lead Pinout (Top View) ABSOLUTE MAXIMUM RATINGS* Symbol Parameter V ...

Page 3

DC CHARACTERISTICS ( 3.3V 5%) Symbol Characteristic V IH Input HIGH Voltage LVCMOS Inputs V IL Input LOW Voltage LVCMOS Inputs V PP Peak–to–Peak Input Voltage PECL_CLK V CMR Common Mode ...

Page 4

MPC953 Power Supply Filtering The MPC953 is a mixed analog/digital product and as such it exhibits some sensitivities that would not necessarily be seen on a fully digital product. Analog circuitry is naturally susceptible to random noise, especially if this ...

Page 5

The parallel combination of the 43 series resistor plus the output impedance does not match the parallel combination of the line impedances. The voltage wave launched down the two lines will ...

Page 6

MPC953 –T– DETAIL –Z– –AB– SEATING –AC– PLANE 0.10 (0.004 DETAIL AD MOTOROLA OUTLINE ...

Page 7

ECLinPS and ECLinPS Lite DL140 — Rev 3 NOTES 7 MPC953 MOTOROLA ...

Page 8

MPC953 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out ...

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