參數(shù)資料
型號(hào): C505-LM
廠商: SIEMENS AG
元件分類: 8位微控制器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件頁數(shù): 74/85頁
文件大小: 335K
代理商: C505-LM
Semiconductor Group
74
1997-12-01
C505 / C505C
C505A / C505CA
AC Characteristics (20 MHz, 0.5 Duty Cycle, cont’d)
External Data Memory Characteristics
Parameter
Symbol
Limit Values
Unit
20 MHz clock
0.5 Duty Cycle
Variable Clock
1/CLP = 2 MHz to 20 MHz
min.
120
max.
min.
max.
RD pulse width
t
RLRH
t
WLWH
t
LLAX2
t
RLDV
t
RHDX
t
RHDZ
t
LLDV
t
AVDV
t
LLWL
t
AVWL
t
WHLH
t
QVWX
t
QVWH
t
WHQX
t
RLAZ
3 CLP - 30
ns
WR pulse width
120
3 CLP - 30
ns
Address hold after ALE
35
CLP - 15
ns
RD to valid data in
75
5/2 CLP- 50
ns
Data hold after RD
0
0
ns
Data float after RD
38
CLP - 12
ns
ALE to valid data in
150
4 CLP - 50
ns
Address to valid data in
150
9/2 CLP - 75
ns
ALE to WR or RD
60
90
3/2 CLP - 15
3/2 CLP + 15 ns
Address valid to WR
70
2 CLP - 30
ns
WR or RD high to ALE high
10
40
CLP/2 - 15
CLP/2 + 15
ns
Data valid to WR transition
5
CLP/2 - 20
ns
Data setup before WR
125
7/2 CLP - 50
ns
Data hold after WR
5
CLP/2 - 20
ns
Address float after RD
0
0
ns
External Clock Drive Characteristics
Parameter
Symbol
Limit Values
Unit
Variable Clock
Freq. = 2 MHz to 20 MHz
min.
max.
Oscillator period
CLP
50
500
ns
High time
TCL
H
TCL
L
t
R
t
F
DC
15
CLP-TCL
L
CLP-TCL
H
10
ns
Low time
15
ns
Rise time
ns
Fall time
10
ns
Oscillator duty cycle
0.5
0.5
相關(guān)PDF資料
PDF描述
C505A-4EM 8-Bit CMOS Microcontroller
C505C-LM 8-Bit CMOS Microcontroller
C505CA-2R 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
C505CA-4E 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
C505CA-4R 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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