SAB80C517A-N18 Siemens Semiconductor Group, SAB80C517A-N18 Datasheet - Page 66

• Manufacturer Part Number: SAB80C517A-N18
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: Siemens Semiconductor Group

AC Characteristics
V
(C
Parameter
Program Memory Characteristics
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE to valid instruction
ALE to PSEN
PSEN pulse width
PSEN to valid instruction t
Input instruction hold
after PSEN
Input instruction float
after PSEN
Address valid after
PSEN
Address to valid instr in
Address float to PSEN
*)
Semiconductor Group
CC
L
Interfacing the SAB 80C517A to devices with float times up to 45 ns is permissible.
This limited bus contention will not cause any damage to port 0 drivers.
for port 0, ALE and PSEN outputs = 100 pF; C
= 5 V + 10 %, – 15 %; V
Symbol
t
t
t
t
t
t
t
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV*)
AVIV
AZPL
SS
T
T
T
A
A
A
= 0 V
=
=
=
–
–
40 to 85
40 to110
71
26
26
–
31
132
–
0
–
48
–
0
18 MHz Clock
min.
0 to 70
65
–
–
–
122
–
–
92
–
46
–
218
–
o
o
max.
C for the SAB 80C517A/83C517A-5
o
C for the SAB 80C517A-T3/83C517A-5-T3
C for the SAB 80C517A-T4/83C517A-5-T4
L
for all other outputs = 80 pF)
2 t
t
t
–
t
3 t
–
0
–
t
–
0
Limit Values
1/t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
min.
– 30
– 30
– 25
– 8
SAB 80C517A/83C517A-5
– 40
Variable Clock
– 35
= 3.5 MHz to 18 MHz
–
–
–
4t
–
–
3t
t
–
5t
–
CLCL
CLCL
CLCL
CLCL
max.
– 10
– 100
– 75
– 60
1994-05-01
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns