C515C_9711 Datasheet, PDF (249/268 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

Device Specifications
C515C
11.4 AC Characteristics for C515C
V_CC = 5 V + 10%, – 15%; V_SS = 0 V
T_A = 0 to 70 °C
T_A = – 40 to 85 °C
T_A = – 40 to 110 °C
for the SAB-C515C
for the SAF-C515C
for the SAH-C515C
(C_L for port 0, ALE and PSEN outputs = 100 pF; C_L for all other outputs = 80 pF)
Program Memory Characteristics
Parameter
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
Symbol
Limit Values
Unit
10-MHz clock
Duty Cycle
0.4 to 0.6
Variable Clock
1/CLP = 2 MHz to
10 MHz
min. max. min.
max.
t_LHLL
60
–
CLP - 40 –
ns
t_AVLL
15
–
TCL_Hmin -25 –
ns
t_LLAX
15
–
TCL_Hmin -25 –
ns
t_LLIV
–
113 –
2 CLP - 87 ns
t_LLPL
20
–
TCL_Lmin -20 –
ns
t_PLPH
115 –
CLP+
–
ns
TCL_Hmin -30
t_PLIV
–
75 –
CLP+
ns
TCL_Hmin- 65
t_PXIX
0
–
0
–
ns
t *)
PXIZ
–
30 –
TCL_Lmin -10 ns
t *)
PXAV
35
–
TCL_Lmin - 5 –
ns
t_AVIV
–
180 –
2 CLP + ns
TCL_Hmin -60
t_AZPL
0
0
–
ns
*) _{Interfacing the C515C to devices with float times up to 35 ns is permissible. This limited bus contention will not}
cause any damage to port 0 drivers.
Semiconductor Group
11-8
1997-11-01