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S04SH/S04SH-1/S035HL/S035HL-1
WAVEFORMS
~~~----tCY-----
~tLL-1
ALE
J
!-I
_____
---!
I
L
ALE
J I
~tcc--I
tCA
1-
Rii
-------1\
I
L
tAFCj
f-
-I
ttDR
I FLOATING
____
_
BUS
~
FLOATING
~tAD~1
Read From External Data Memory
ALE
J
L
_I
tCA
1--
2.4V
---.......
r----
O.45V
___
--'x:::
~
TEST POINTS
~~::X'--
__
_
BUS
Write to External Data Memory
Input
and
Output
for A.C.Tests.
A.C. CHARACTERISTICS
TA
=
O°C
to
70°C VCC = VDD =
5V
±
10%.
VSS
=
OV
Symbol
Parameter
tLL
ALE
Pulse Width
tAL
Address
Setup to ALE
tLA
Address
Hold from ALE
tcc
Control Pulse Width (PSEN,
RD,
WR)
tow
Data Setup before
WR
two
Data Hold after
WR
ICY
Cycle
Time
tOR
Data Hold
tRD
~,
I!il5
to Data
In
tAW
Address
Setup to
WR
tAD
Address
Setup to Data
In
tAFC
Address Float to
RD,
PSEN
teA
Control Pulse to ALE
NOTE
1:
Control
outputl
BUS
outputl
CL=80pF
CL,;
150 pF
8048H 8048H-1
8035HL
8035HL-1
6 MHz
8 MHz
11
MHz
Conditions
Min.
Max.
Min.
Max.
Min. Max. Unit (Note 1)
400
270
150
ns
75 75
70
ns
65
65
50
ns
700
490
300
ns
370
370
280
ns
80
80
40
ns
CL
= 20pF
(NOTE 2)
2.5
1.875
1.36
/ls
0
200
0 150 0
100
ns
500
340
200
ns
230 210 200
ns
950
650
400
ns
0
0
-1
ns
10 10
0
ns
NOTE
2:
BUS High Impedance Load:
20
pF
6-6
AFN·OI491A·06