Intel MCS48 User Manual page 389

8291
DEVICE ELECTRICAL CHARACTERISTICS
D.C.
CHARACTERISTICS
T
A
= 0°C
to
70° C;
Vcc =
5V
± 10%
Symbol Parameter Min.
Max. Unit
Test Conditions
V|L
Input
Low
Voltage -0.5 0.8
V
V| H
Input High Voltage 2
Vcc+0.5
V
Vol
Output
Low
Voltage
0.45
V
IOL=2mA (4mA
for
TR1
pin)
Voh Output High Voltage 2.4
V
lOH
=
-400/uA
(-1
50mA
for
SRQ
pin
)
VOH-INT Interrupt
Output High Voltage
2.4
3.5
V
V
Ioh=-400aiA
IOH=-50/nA
IlL
Input
Leakage 10
ma Vin=0V
to
Vcc
Ilol
Output Leakage
Current
-10 MA VOUT=0.45V
Iloh
Output Leakage
Current
10
MA
Vout=Vcc
Ice
Vcc
Supply
Current
180
mA
Ta=0°C
A.C.
CHARACTERISTICS
Vcc = 5V ±
10%,
Commercial:
Ta = 0°C
to
70°
C
Symbol Parameter
Min.
Max.
Unit
tAR
Address
Stable Before
READ
nsecl 1
!
tRA
Address Hold
After
READ
nsecl 1
!
250
tRR
READ
width nsec'
2
'
tAD
Address
Stable to Data Valid 250
nsecl 1
'
tRD
READ
to
Data
Valid
100 nsecl
2
'
tRDF
Data
Float After
READ
60l
2
l
nsec
tAW
Address
Stable Before
WRITE
nsecl 1
!
tWA
Address Hold
After
WRITE
tww
WRITE
Width 250
nsec'
1
'
tDW Data Set
Up Time
to
the Trailing
Edge
of
WRITE
150
nsec'
1
1
two
Data Hold
Time
After
WRITE
nsecl
1
!
tAKRQ
DACK1
to
DREQJ
130
nsec
200 tDKDA6
DACK1
to
Up
Data
Valid nsec
Notes:
1
.
8080 System
2.
8085
System
dmax
=
100pF;
Ci_min
=
15pF; 3
MHz
clock.
Cl =
150pF; 4
MHz
clock.
8-99
00229A