Motorola MC68030 User Manual

MOTOROLA

m SEMICONDUCTOR

TECHNICAL DATA

ELECTRICAL SPECIFICATIONS

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by MC68030EC/D

MC68030

(~)MOTOROLA INC., 1990

(•

MOTOROLA

Rev 1

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Motorola'reserves the right to make changes without further notice to any products herein
to improve reliability, function or design. Motorola does not assume any liability arising out
of the application or use of any product or circuit described herein; neither does it convey

.any license under its patent rights nor the rights of others. Motorola products are not author-

ized for use as components in life support devices or systems intended for surgical implant

into the body or intended to support or sustain life. Buyer agrees to notify Motorola of any
such intended end use whereupon Motorola shall determine availability an d suitability of its
product or products for the use intended. Motorola and (~ are registered trademarks of

Motorola, Inc. Motorola, Inc. is an Equal Employment Opportunity/Affirmative Action

Employer.

ELECTRICAL SPECIFICATIONS

MAXIMUM RATINGS

Rating Symbol Value

Supply Voltage* VC~ C -0.3 to +7.0
Input Voltage Vin - (~:5 to + 7.0
Operating Temperature Range

Minimum Ambient Temperature T A 0
40-MHz Maximum Ambient T A 70

Temperature

50-MHz Maximum Case T C 80

Temperature

Storage Temperature Range Tstg -55 to 150

*A continuous clock must be supplied to the MC68030 when it is powered

up.

THERMAL CHARACTERISTICS- PGA PACKAGE

Characteristic Symbol Value Rating

Thermal Resistance -- Ceramic °C/W

J~Jnction tO Ambient ejA 30*
Junction to Case 0jC 15"

~Estimated

Unit

V

"V

°C

°C

This device contains protective cir-
cuitry against damage due to high
static voltages or electrical fields;
however, it is advised that normal
precautions be taken to avoid ap-
plication of any voltages higher than
maximum-rated voltages to this
high-impedance circuit. Reliability
of operation is enhanced if unused
inputs are tied to in appropriate
logic voltage level (e.g., either GND
or VCC).

MO,TOROLA

MC68030 ELECTRICAL SPECIFICATIONS

POWER CONSIDERATIONS

The average chip-junction temperature, T j, in °C can be obtained from:

Tj = T A + (PD ° 03A) (1

where:. ..

T A = Ambient Temperature, °C
0jA = Package Thermal Resistance,

Junction-to-Ambient, °C/W

PD = PINT+ PI/O

'PINT = IccxVcc, Watts-- Chip lnternaI Power

PI/O . - Power,Dissipationon Input and Output Pins

-- User Determined -.

For most applications PI/O<PINT and can be neglected. '

The foliowing is an approximate relationship between PD and Tj (if PI/O is

neglected):. .. .

...... . PD=.K+(Tj+273°C) , ,,.. . (2)

Solving equations (1)and (2) forKgives: ' ' " " ":

K = PD" (TA + 273°C) + eJA ° PD 2 (3)
where K is a constant pertaining to the particular part. K can be determined
from equation (3) by measuring PD (at equilibrium) for a known T A. Using
this value of K, the values (~f PD and Tj can be obtained by solving'equ"ations

(1) and (2) iteratively for any value of T A.

The total thermal resistance of a package (0jA)can be separated into two
components, 0jC and 0CA, representing the barrier to heatflow from the

semiconductor junction to the package (case) surface (eJC) and from the case

to the outside ambient (0CA). These terms are related by the equation:

0jA=0jC+0CA (4)

ejC is device related and cannot be influenced by the user. However, 0CA is

user dependent and can be minimized by such thermal management tech-
niques as heat sinks, ambient
good thermal management on the part of the user can significantly reduce
eCA so that 0jA approximately equals 0jC. Substitution of ejC for 0jA in

equation (1) will result in a lower semiconductor junction temperature.

Values for thermal resistance presented in this document, unless.estimated,
were derived using the procedure described in Motorola Reliability Report

7843, "Thermal Resistance Measurement Method for MC68XX Microcom-
ponent Devices," and are provided for design purposes only. Thermal meas-
urements are complex and dependent on procedure and setup. User derived

values for thermal resistance may differ.

MC68030~ELECTRICAL;SP.ECIFICATIO NS

air

cooling, and thermal convection. Thus,

•MOTOROLA

AC ELECTRICAL SPECIFICATIONS DEFINITIONS •

The AC specifications presented consist of output delays, input setup and

hold times, and signal skew times. All signals are specified relative to an
appropriate edge of the MC68030 clock input and, possibly, relative to one
or more other signals.

The measurement of the AC specifications is defined by the waveforms in

Figure 1. To test the parameters guaranteed by MQtorola, inputs must be

driven to the voltage levels •specified in~ Figure 1. Outputs of the MC68030
are specifiedwith minimum.and/or maximum limits, as appropriate, and are

measured as shown. Inputs to the MC68030 are specified with minimum and,
as appropriate, maximum setup and hold times, and are measured asshown.

Finally, the measurements for signal-to-signal specifications are also shown.

Note that the testing levels used to verify conformance of the MC68030 to
the AC specifications:does ~ not affect the guaranteed DC operation of the

device as specified in the DC electrical characteristics.

ME)'~OROEA MC68030!ELECTRICAL SPECIFICATIONS 3

' " ' CLK

"

" DRIVE

TO 2.4 V

D°TPUTS(2):L~ ' " VAL'O " '~2"0V 2.OV .'VA"0'

I 00TP,T° 0.aV~V_/_/-'I~_~V OUTPOTo+,

..... , ........ To 2:iv "TA--Y- 2.0 v VAL, O 28 v-&V77

;RIVE IN 0T 08V

T00,v t._c4._0_, t

. INPUTS(4) CLK "-~2E08; :NApL~DT :.::~ T02.4V

ALL

SIGNALS

(S)

NOTES:

-
1 - This out[)ut timing is applicable to all parameters specified relative to the rising edge of the clock
2"-This output'timing is applicable to all parameiers specified relative to" the fallingecIge ofthe cl()ck "
3 - This input timing is applicable to all parameters specified relative to the rising edge of the Clock

4 - This

input

5 - This timing is applicable to all parameters specified relative to the assertion/negation of another signal

LEGEND:

A - Maximum output delay specification
B - Minimum output hold time
C - Minimum input setup time specification
D - Minimum input hold time specification
E - Signal valid to signal valid specification (maximum or minimum)
F - Signal valid to signal invalid specification (maximum or minimum)

timing is applicable to all

V

. --~-- 2.0 V

.~- 0.8 V

parameters specified

relative to the

falling

edge of the clock

.

Figure 1. Drive Levels and Test Points for AC Specifications

4 MC68030 ELECTRICAL-SPECIFICATIONS MOTOROLA