SAB80C515-16-N SIEMENS [Siemens Semiconductor Group], SAB80C515-16-N Datasheet - Page 42

• Manufacturer Part Number: SAB80C515-16-N
• Description: 8-Bit CMOS Single-Chip Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

AC Characteristics (cont’d)
Parameter
External Data Memory Characteristics
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
WR or RD high to ALE
high
Address valid to WR
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
RLDV
QVWH
WHQX
RLAZ
RLRH
WLWH
LLAX2
RHDX
RHDZ
LLDV
AVDV
LLWL
WHLH
AVWL
QVWX
400
400
132
–
0
–
–
–
200
43
203
33
288
13
–
12 MHz clock
min.
41
–
–
–
252
–
97
517
585
300
123
–
–
–
–
0
max.
6 t
6 t
2 t
–
0
–
–
–
3 t
t
4 t
t
7 t
t
–
Limit values
CLCL
CLCL
CLCL
1/t
CLCL –
CLCL –
CLCL –
CLCL
CLCL
CLCL
CLCL
min.
– 40
– 50
– 50
– 50
– 130
– 150
Variable clock
= 3.5 MHz to 12 MHz
100
100
35
SAB 80C515/80C535
–
–
–
5 t
2 t
8 t
9 t
3 t
t
–
–
–
–
0
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
max.
+ 40
– 165
– 150
– 165
+ 50
– 70
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns