參數(shù)資料
型號(hào): C505-2RM
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(yè)數(shù): 69/85頁(yè)
文件大?。?/td> 335K
代理商: C505-2RM
Semiconductor Group
69
1997-12-01
C505 / C505C
C505A / C505CA
AC Characteristics (12 MHz, 0.5 Duty Cycle, cont’d)
External Data Memory Characteristics
Parameter
Symbol
Limit Values
Unit
12 MHz clock
0.5 Duty Cycle
Variable Clock
1/CLP = 2 MHz to 12 MHz
min.
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
180
3 CLP - 70
ns
WR pulse width
180
3 CLP - 70
ns
Address hold after ALE
56
CLP - 27
ns
RD to valid data in
118
5/2 CLP- 90
ns
Data hold after RD
0
0
ns
Data float after RD
63
CLP - 20
ns
ALE to valid data in
200
4 CLP - 133
ns
Address to valid data in
220
9/2 CLP - 155 ns
ALE to WR or RD
75
175
3/2 CLP - 50
3/2 CLP + 50 ns
Address valid to WR
70
2 CLP - 97
ns
WR or RD high to ALE high
17
67
CLP/2 - 25
CLP/2 + 25
ns
Data valid to WR transition
5
CLP/2 - 37
ns
Data setup before WR
170
7/2 CLP - 122 –
ns
Data hold after WR
15
CLP/2 - 27
ns
Address float after RD
0
0
ns
External Clock Drive Characteristics
Parameter
Symbol
Limit Values
Unit
Variable Clock
Freq. = 2 MHz to 12 MHz
min.
max.
Oscillator period
CLP
83.3
500
CLP-TCL
L
CLP-TCL
H
12
ns
High time
TCL
H
TCL
L
t
R
t
F
DC
20
ns
Low time
20
ns
Rise time
ns
Fall time
12
ns
Oscillator duty cycle
0.5
0.5
相關(guān)PDF資料
PDF描述
C505C-2RM 8-Bit CMOS Microcontroller
C505-LM 8-Bit CMOS Microcontroller
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
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