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AC Characteristics for SAB 80C515-16/80C535-16
±
= 5 V
10 %; V
V
CC
SS
C
for all outputs = 80 pF)
L
Parameter
Program Memory Characteristics
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE to valid instruction
in
ALE to PSEN
PSEN pulse width
PSEN to valid instruction
in
Input instruction hold
after
PSEN
Input instruction float
after
PSEN
Address valid after
PSEN
Address to valid
instruction in
Address float to PSEN
1)
Interfacing the SAB 80C515-16 to devices with float times up to 55 ns is permissible.
This limited bus contention will not cause any damage to port 0 drivers.
Semiconductor Group
= 0 V (C
for Port 0, ALE and PSEN outputs = 100 pF;
L
T
= 0 to 70 °C for SAB 80C515-16/80C535-16
A
= – 40 to 85 °C for SAB 80C515-16/80C535-16-T40/85
T
A
Symbol
16 MHz clock
min.
t
85
LHLL
t
33
AVLL
t
28
LLAX
t
–
LLIV
38
t
LLPL
153
t
PLPH
–
t
PLIV
t
0
PXIX
t
–
PXIZ 1)
t
55
)
1
PXAV
t
–
AVIV
0
t
AZPL
Limit values
Variable clock
1/t
= 3.5 MHz to 16 MHz
CLCL
max.
min.
–
2 t
C LC L –
–
t
30
CLCL –
–
t
35
CLCL –
150
–
*
25
t
–
CLCL –
3 t
35
CLCL –
88
–
0
–
43
–
t
8
CLCL –
198
–
0
–
257
Device Specifications
max.
40
–
–
–
4 t
100
CLCL –
–
3 t
100
CLCL –
–
t
20
CLCL –
5 t
115
CLCL –
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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