MC6800 Datasheet, PDF (2/32 Pages) Motorola, Inc – 8-BIT MICROPROCESSING UNIT (MPU)

MAXIMUM RATINGS
M C6~C M C68A~C
Storage Temperature Range
THERMAL RESISTANCE
Rating
Plastic Package
Cerdip Package
Ceramic Packaqe
I
I Tsta
I -40to +85 I
I
l-55to +150 I “C I
Symbol
eJ A
Value
Im
60
m
Unit
“Clw
This device contains circuitry to protect the
inputs against damage due to high static
voltages or electrical fields; however, it is ad-
vised that normal precautions be taken to
avoid application of any voltage higher than
maximum-rated voltages to this high-
impedance circuit. Reliability of operation is
POWER CONSIDERATIONS
The average chip-junction temperature, TJ, in ‘C can be obtained from:
TJ=TA+(PDo
OJA)
(1)
Where:
TA = Ambient Temperature, ‘C
OJA= Package Thermal Resistance, Junction-to-Ambient,
PD=PINT+PpORT
PINT= ICC x Vcc, Watts – Chip Internal Power
,.\,\wy~\ .::$,i~
“C/W
;F’s ~;
::i.~,~$.’i.‘:f.~:,?..,.k,.,i.,,$,,.3
.<,,..,,
.,+,.*., ^1*+:
PpORT = Port Power Dissipation, Watts – User Determin@_. :_,$_.,,_.,, _..,.
For most applications PPORT< PINT and can be neglected. P$o~~ may become significant if the device is configured to
drive Darlington bases or sink LED loads.
..,,%,.,,\i+*\,,:*+,,:,**F
An approximate relationship between PD and TJ (if PpO~~$YWbglected) is:
,.>,,,.
PD= K- (TJ+2730C)
.,J:> ^~,:*
Solving equations 1 and 2 for K gives:
,J,t.:,(:*i,;}{:\
(2)
.-
K= PD. (TA+2730C)+0JA*
PD2
.. ‘}~. $
,’,:/:’:\,.*:..*>.\\
(3)
Where K is a constant pertaining to the parti~$~$~~~it. K can be determined from equation 3 by measuring PD (at equilibrium)
for a known TA.
value of TA,
Using this value of K the va~~~~:Qft,@Dand TJ can be obtained
.~\,>~‘~“f:,$?’..,\,>,\\,!*\.{,<‘{w:,.*.,,t,.>.,i,,
V’i, ^{‘-..<\\~~:~,.>y}
.}^,,^:.^{:,2.CF i?~jt:,?. .}
by solving equations(1)
and (2) iteratively for any
DC ELECTRICAL CHARACTERl~%,.~.:C$:~,?(,,V,$.c.,c,>.=,
5,0 Vdc, +5%, Vss = O, TA= TL to TH unless otherwise noted)
Input High Voltage
\t$.<,“%.&,~\i.,~@t. aracteriatic
“i’;,,L,, ‘$,
~.,,;t>..?.t, ^{“a?+$,}.,,’~}
Input Low Voltage ~w”$&~$,$#
.,~.t,’a. t;*.,,\{,,..,:;,’,.‘<$
Input Leakag@:$~&f$n~
(Vin =Ot&@&~~, Vcc= Max)
(Vin ~&!0,~~@5
V, Vcc=o V to 5.25 V)
Hi-~@bkti@akage Current
f~#’@&.4 to 2.4 V, Vcc = Max)
~w~? High Voltage
‘$$lLoad= - 205tiA, Vcc= MinJ
“(lLoad= – 1454A, VCC= Min)
(lLoad= – 100KA, VCC= Min)
Output Low Voltage (lLoad = 1.6 mA, VCC = Min)
Internal Power Dissipation (Measured at TA = TL)
Capacitance
(Vin=O, TA=250C, f=l.O MHz)
—
(M)^MOTOROLA
Logic
41,42
Logic
~1 ,42
Svmkl
VSS–0,3
VSS–0,3
– VSS+O.8
v
–
VSS+O.4
Logic
@l, #2
D&D7
AO-A15, Rlw
DO-D7
A&A15, R/~, VMA
BA
~1
42
DGD7
Logic Inputs
AO-A15, Rl~, VMA
—
1,0
2.5
PA
,
[
1
I
VOH ^VSS+2.4
–
–
v
VSS+2.4
–
–
VOL
PINT
VSS+2.41
—_!
—I
w ^{– I –}
I
— _{Ivss+o ,4 v}
0.5 ] 1,0
w
I
I
I
I
I
—
25
35
Cin
—
45
70
pF
—
10
12.5
—
6.5
10
Cout
—
—
12
pF
Semjconducfor Products Inc.
2