SAB-C501G-1E24N SIEMENS [Siemens Semiconductor Group], SAB-C501G-1E24N Datasheet - Page 37

• Manufacturer Part Number: SAB-C501G-1E24N
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

AC Characteristics for C501-L40 / C501-1R40
V
(
Program Memory Characteristics
Parameter
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE low to valid instr in
ALE to PSEN
PSEN pulse width
PSEN to valid instr in
Input instruction hold after PSEN
Input instruction float after PSEN
Address valid after PSEN
Address to valid instr in
Address float to PSEN
*) Interfacing the C501 to devices with float times up to 25ns is permissible. This limited bus contention will not
Semiconductor Group
C
CC
L
cause any damage to port 0 Drivers.
for port 0, ALE and PSEN outputs = 100 pF;
= 5 V + 10 %, – 15 %;
V
SS
= 0 V
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV
AVIV
AZPL
T
T
*)
*)
A
A
= 0 ˚C to 70 ˚C
= – 40 ˚C to 85 ˚C for the SAF-C501
min.
35
10
10
–
10
60
–
0
–
20
–
– 5
37
C
40 MHz
Clock
L
for all other outputs = 80 pF)
max.
–
–
–
55
–
–
25
–
20
–
65
–
min.
2 t
t
t
–
t
3
–
0
–
t
–
– 5
for the SAB-C501
Limit Values
1/
CLCL
CLCL
CLCL
CLCL
t
t
CLCL
CLCL
CLCL
– 15
– 15
– 15
– 5
– 15
– 15
Variable Clock
= 3.5 MHz to 40 MHz
max.
–
–
–
4
–
–
3
–
t
–
5
–
CLCL
t
t
t
CLCL
CLCL
CLCL
– 5
– 45
– 50
– 60
1997-04-01
C501
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns