English
Language : 

MC6800 Datasheet, PDF (3/32 Pages) Motorola, Inc – 8-BIT MICROPROCESSING UNIT (MPU)
CLOCK TIMING (Vcc= 5,0 V, *5%, VSS=O, TA=TL to TH unless otherwise noted)
Characteristic
Symbol
Frequency of Operation
MC~
MC68AO0
f
MCWBW
Cycle Time (Figure 1)
M Cm
M C@AW
tcyc
MC~BW
Clock Pulse Width
(Measured at VCC– 0.6 V)
@l, @2 – MCmN
@l, @2 – MC6BAO0
@l, @2 – MC68BO0
pW~H
Total 01 and 42 Up Time
Rise and Fall Time (Measured between VSS +0.4 and VCC– O.6)
MCH
M C~A~
MC6BBW
t“t
tr, tf ~
Delay Time or Clock Separation (Figure 1)
(Measured at VOV=VSS+O.6 V@tr=tf=l~
ns)
td
(Measured at VOV= VSS + 1.0 V@tr=tf S35 ns}
Min
0.1
0.1
0.1
1.000
O.m
O.m
w
Za
180
90
600
w
—
o
o
Typ
Max
Unit
–
1.0
–
1.5
MHz
–
2.0
–
10
—
10
ps
–
10
–
9m
–
9m
ns
–
9W
,*‘*!{.,1,
–
—
.!>.,:..,~.,:~.:,
Y “~:..
–
– d *“:*’:*L
–
– ‘$$:fi+s:~
—
1 , ,,,,
,,fj:$’,i~ ,’;,?..~’
,>+,1%,,$:*t&
ns
–$; y< “$,~
—.$:~,
?\:i.$.\*.’,
td+
+
vl~c*
‘d+ b,’’”
. ,,,,,.
<
Address DelaV
C=90pF
C=30 pF
,, . ..>.,,,.
.~t~ 4:.
Character@- i.&$$~i~F*+,T~’, <~a.~..,+~’ 1+,k~
~\+,\ -i
.,.~~,,,t..~;-.~.,,,+:’,-$:*-y,,‘.:.$....:
,
,,,,
**,,3..:.,:,:> >
Peripheral Read Access ~fi&~f:
tacc = tut – (tAD +~~~$~.
Data Setup Tim$,:( ~~~?:
Input Data H@me
‘
Output D~@ ‘~l,#Time
Addressf&,&,Jime (Address, R/~, VMA)
Ena~~i~@Time for DBE Input
Data ~lav Time (Write)
Processor Controls
Processor Control Setup Time
Processor Control Rise and Fall Time
8US Available DelaV
Hi-Z Enable
Hi-Z DelaV
Data Bus Enable Down Time During @l Up Time
Data Bus Enable Rise and Fall Times
Symbol
MC~
MC8BAO0
MC6BBO0
Unit
Min Typ Max Min Typ Max Min Typ Max
tA D
tacc
tDSR
tH
tH
tA H
tEH
tDDW
–
– 270 –
—
— 2W
–
– 1BO –
– 165 –
– 150 ns
–
135
605 –
—m
–
— 2W –
— ns
lm
–
–
60 –
–
40 –
–
ns
10 –
–
10 –
–
10 –
–
ns
10 25 –
10 25 –
10 25 –
ns
30 50 –
30 a
–
m
50 –
ns
450 –
– 280 –
– 220 –
–
ns
–
– 225 –
– 2W –
– 160 ns
tpcs
2m –
– 140 –
–
110 –
–
tpcr, tpcf
–
– Im
–
–
100 –
– 100
tBA
–
– 29
–
– 165 –
– 135 ns
tTSE
o
–
40
0
–
40
0
–
m
tTSD
–
– 270 –
– 270 –
– 220
tDBE
Iw
–
–
120 –
–
75 –
–
tDBEr, tDBEf –
–
25 –
–
25 –
–
25
—
m M070ROLA
Semiconductor Products Inc.
3