SAF-C517A Infineon Technologies AG, SAF-C517A Datasheet - Page 60

• Manufacturer Part Number: SAF-C517A
• Description: 8-bit CMOS MICROCONTROLLER
• Manufacturer: Infineon Technologies AG

AC Characteristics (18 MHz)
(Operating Conditions apply)
(
Program Memory Characteristics
Parameter
ALE pulse width
Address setup to ALE
Address hold after ALE
ALE low 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 instr in
Address float to PSEN
*)
CLKOUT Characteristics
Parameter
ALE to CLKOUT
CLKOUT high time
CLKOUT low time
CLKOUT low to ALE high
Semiconductor Group
C
L
Interfacing the C517A 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;
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV
AVIV
AZPL
LLSH
SHSL
SLSH
SLLH
*)
*)
min.
71
26
26
–
31
132
–
0
–
48
–
0
min.
349
71
516
16
58
C
18 MHz
18 MHz
Clock
Clock
L
for all other outputs = 80 pF)
max.
–
–
–
122
–
–
92
–
46
–
180
–
max.
–
–
–
96
min.
2
t
t
–
t
3
–
0
–
t
–
0
min.
7
2
10
t
Limit Values
Limit Values
1/
1/
CLCL
CLCL
CLCL
CLCL
CLCL
t
t
t
t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
t
CLCL
– 30
– 30
– 25
– 8
– 40
– 40
– 35
– 40
– 40
Variable Clock
Variable Clock
= 3.5 MHz to 18 MHz
= 3.5 MHz to 18 MHz
– 40
max.
–
–
–
4
–
–
3
–
t
–
5
–
max.
–
–
–
t
CLCL
CLCL
t
t
t
CLCL
CLCL
CLCL
– 10
+ 40
– 100
– 75
– 98
C517A
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns