參數(shù)資料
型號: 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
文件頁數(shù): 73/85頁
文件大?。?/td> 335K
代理商: C505-2RM
Semiconductor Group
73
1997-12-01
C505 / C505C
C505A / C505CA
AC Characteristics (20 MHz, 0.5 Duty Cycle)
V
CC
= 5 V + 10%, – 15%;
V
SS
= 0 V
T
A
= 0 to 70
°
C for the SAB- versions
T
A
= – 40 to 85
°
C for the SAF- versions
(
C
L
for port 0, ALE and PSEN outputs = 100 pF;
C
L
for all other outputs = 80 pF)
Program Memory Characteristics
*)
Interfacing the C505 to devices with float times up to 20 ns is permissible. This limited bus contention will not
cause any damage to port 0 drivers.
Parameter
Symbol
Limit Values
Unit
20 MHz clock
0.5 Duty Cycle
Variable Clock
1/CLP = 2 MHz to 20 MHz
min.
max.
min.
max.
ALE pulse width
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
t
PLPH
35
CLP - 15
ns
Address setup to ALE
10
CLP/2 - 15
ns
Address hold after ALE
10
CLP/2 - 15
ns
ALE to valid instruction in
55
2 CLP - 45
ns
ALE to PSEN
10
CLP/2 - 15
ns
PSEN pulse width
60
3/2 CLP
- 15
ns
PSEN to valid instruction in
t
PLIV
25
3/2 CLP
- 50
ns
Input instruction hold after PSEN
t
PXIX
t
PXIZ
*)
t
PXAV
*)
t
AVIV
0
0
ns
Input instruction float after PSEN
20
CLP/2 - 5
ns
Address valid after PSEN
20
CLP/2 - 5
ns
Address to valid instruction in
65
5/2 CLP
- 60
ns
Address float to PSEN
t
AZPL
- 5
- 5
ns
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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