MPC93R51

TIMING SOLUTIONS

3

MOTOROLA

PIN CONFIGURATION

Pin

I/O

Type

Function

PCLK, PCLK

Input

LVPECL

Differential clock reference

Low voltage positive ECL input

TCLK

Input

LVCMOS

Single ended reference clock signal or test clock

EXT_FB

Input

LVCMOS

Feedback signal input, connect to a QA, QB, QC, QD output

REF_SEL

Input

LVCMOS

Selects input reference clock

FSELA

Input

LVCMOS

Output A divider selection

FSELB

Input

LVCMOS

Output B divider selection

FSELC

Input

LVCMOS

Outputs C divider selection

FSELD

Input

LVCMOS

Outputs D divider selection

OE

Input

LVCMOS

Output enable/disable

QA

Output

LVCMOS

Bank A clock output

QB

Output

LVCMOS

Bank B clock output

QC0, QC1

Output

LVCMOS

Bank C clock outputs

QD0 - QD4

Output

LVCMOS

Bank D clock outputs

VCCA

Supply

VCC

Positive power supply for the PLL

VCC

Supply

VCC

Positive power supply for I/O and core

GND

Supply

Ground

Negative power supply

FUNCTION TABLE

Control

Default

0

1

REF_SEL

0

Selects PCLK as reference clock

Selects TCLK as reference clock

PLL_EN

1

Test mode with PLL disabled. The input clock is

directly routed to the output dividers

PLL enabled. The VCO output is routed to the

output dividers

OE

0

Outputs enabled

Outputs disabled, PLL loop is open

VCO is forced to its minimum frequency

FSELA

0

QA = VCO

÷ 2

QA = VCO

÷ 4

FSELB

0

QB = VCO

÷ 4

QB = VCO

÷ 8

FSELC

0

QC = VCO

÷ 4

QC = VCO

÷ 8

FSELD

0

QD = VCO

÷ 4

QD = VCO

÷ 8

ABSOLUTE MAXIMUM RATINGSa

Symbol

Characteristics

Min

Max

Unit

Condition

VCC

Supply Voltage

-0.3

4.6

V

VIN

DC Input Voltage

-0.3

VCC+0.3

V

VOUT

DC Output Voltage

-0.3

VCC+0.3

V

IIN

DC Input Current

±20

mA

IOUT

DC Output Current

±50

mA

TS

Storage Temperature

-55

150

°C

a. Absolute maximum continuos 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.

GENERAL SPECIFICATIONS

Symbol

Characteristics

Min

Typ

Max

Unit

Condition

VTT

Output Termination Voltage

VCC B 2

V

MM

ESD (Machine Model)

200

V

HBM

ESD (Human Body Model)

2000

V

LU

Latch–Up

200

mA

CPD

Power Dissipation Capacitance

10

pF

Per output

CIN

4.0

pF

Inputs

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com