C501G-1E SIEMENS [Siemens Semiconductor Group], C501G-1E Datasheet - Page 107
![no-image](/images/no-image-200.jpg)
C501G-1E
Manufacturer Part Number
C501G-1E
Description
8-Bit Single-Chip Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.C501G-1E.pdf
(121 pages)
- Current page: 107 of 121
- Download datasheet (2Mb)
AC Characteristics for C501-L40 / C501-1R40 (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
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
Symbol
RLRH
WLWH
LLAX2
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
WHLH
QVWX
QVWH
WHQX
RLAZ
CLCL
CHCX
CLCX
CLCH
CHCL
min.
120
120
10
–
0
–
–
–
60
70
10
5
125
5
–
min.
25
10
10
–
–
10-10
40 MHz
Clock
max.
–
–
–
75
–
38
150
150
90
–
40
–
–
–
0
Freq. = 3.5 MHz to 40 MHz
Variable Clock
min.
6
6
t
–
0
–
–
–
3
4
t
t
7
t
–
Limit Values
Limit Values
1/
CLCL
CLCL
CLCL
CLCL
t
t
t
t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
– 15
– 15
– 20
– 20
– 30
– 30
– 15
– 30
– 50
Variable Clock
= 3.5 MHz to 40 MHz
max.
285.7
t
t
10
10
Device Specifications
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
+ 15
– 50
– 12
– 50
– 75
+ 15
C501
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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