C509-L_97 SIEMENS [Siemens Semiconductor Group], C509-L_97 Datasheet - Page 278

• Manufacturer Part Number: C509-L_97
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

External Data Memory Characteristics
Parameter
RD pulse width
WR pulse width
Address hold after ALE
RD to valid data in
Data hold after RD
Data float after RD
ALE to valid data in
Address to valid data in
ALE to WR or RD
Address valid to WR
WR or RD high to ALE high
Data valid to WR transition
Data setup before WR
Data hold after WR
Address float after RD
Semiconductor Group
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RLRH
WLWH
LLAX2
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
WHLH
QVWX
QVWH
WHQX
RLAZ
11-8
min.
158
158
48
–
0
–
–
–
73
95
10
5
163
5
–
16-MHz clock
0.45 to 0.55
Duty Cycle
max.
–
–
–
100
51
200
200
103
–
40
–
–
–
0
Limit Values
min.
3 CLP-30
3 CLP-30
CLP -15
–
0
–
–
–
CLP+
TCL
2 CLP-30
TCL
TCL
3 CLP+
TCL
TCL
–
1/CLP= 3.5 MHz to
Device Specifications
Lmin
Hmin
Lmin
Lmin
Hmin
Variable Clock
-15
-20
-50
-15 TCL
-20 –
16 MHz
max.
–
–
–
2 CLP+
TCL
–
CLP-12
4 CLP-50
4 CLP+
TCL
CLP+
TCL
–
–
–
0
Hmin
Hmin
Lmin
Hmin
1997-10-01
+15
-50
-75
+15 ns
C509-L
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns