SAF-C515-L24M SIEMENS [Siemens Semiconductor Group], SAF-C515-L24M Datasheet - Page 46

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SAF-C515-L24M

Manufacturer Part Number
SAF-C515-L24M
Description
8-Bit CMOS Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet

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AC Characteristics (16 MHz) (cont’d)
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 or RD
WR or RD high to ALE high
Data valid to WR transition
Data setup before WR
Data hold after WR
Address float after RD
External Clock Drive Characteristics
Parameter
Oscillator period
High time
Low time
Rise time
Fall time
Semiconductor Group
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
RLRH
WLWH
LLAX2
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
WHLH
QVWX
QVWH
WHQX
RLAZ
CLCL
CHCX
CLCX
CLCH
CHCL
min.
275
275
90
0
138
120
23
13
288
13
min.
62.5
15
15
46
16 MHz
Clock
max.
148
55
350
398
238
103
0
Freq. = 1 MHz to 16 MHz
Variable Clock
min.
6
6
2t
0
3
4
t
t
7
t
Limit Values
Limit Values
CLCL
CLCL
CLCL
t
t
t
t
t
1/
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
t
CLCL
– 40
– 50
– 50
– 100
– 100
– 35
– 50
– 130
– 150
Variable Clock
max.
1000
t
t
15
15
= 1 MHz to 16 MHz
CLCL
CLCL
t
t
CLCX
CHCX
max.
5
2
8
9
3
t
0
CLCL
t
t
t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
+ 40
– 165
– 70
– 150
– 165
+ 50
1997-08-01
C515
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns

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