SAB80C517-M16 SIEMENS [Siemens Semiconductor Group], SAB80C517-M16 Datasheet - Page 312

• Manufacturer Part Number: SAB80C517-M16
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: SIEMENS [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 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
*)
Semiconductor Group
CC
L
Interfacing the SAB 80C517 to devices with float times up to 75 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 %; V
SS
= 0 V T
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIX
PXAV
AVIV
AZPL
T
*)
*)
A
A
=
=
–
40 to 85
127
53
48
–
58
215
–
0
–
75
–
–
12 MHz Clock
0 to 70
min
313
–
–
–
233
–
–
150
–
63
–
302
–
o
o
max.
C for the SAB 80C517/83C537
C for the SAB 80C517/83C537-T40/85
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
– 35
– 25
– 8
– 40
Variable Clock
– 35
= 3.5 MHz to 12 MHz
SAB 80C517/80C537
–
–
–
4t
–
–
3t
t
–
5t
CLCL
CLCL
CLCL
CLCL
max.
– 20
– 100
– 100
– 115
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns