參數(shù)資料
型號: C508
廠商: INFINEON TECHNOLOGIES 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): 80/93頁
文件大小: 1204K
代理商: C508
C508
Data Sheet
76
2000-08
External Data Memory Characteristics
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
WR or RD high to ALE high
t
WHLH
CC
Data valid to WR transition
Data setup before WR
Data hold after WR
Address float after RD
t
RLRH
CC
t
WLWH
CC
t
LLAX2
CC
t
RLDV
SR
t
RHDX
SR
t
RHDZ
SR
t
LLDV
SR
t
AVDV
SR
t
LLWL
CC
t
AVWL
CC
120
120
35
0
60
70
10
5
125
5
75
38
150
150
90
40
0
6 TCL – 30 –
6 TCL – 30 –
2 TCL
–15 –
0
3 TCL – 15 3 TCL + 15 ns
4 TCL – 30 –
TCL –15
TCL + 15
TCL – 20
7 TCL – 50 –
TCL – 20
0
ns
ns
ns
5 TCL – 50 ns
2 TCL – 12 ns
8 TCL – 50 ns
9 TCL – 75 ns
ns
ns
ns
ns
ns
ns
ns
t
QVWX
CC
t
QVWH
CC
t
WHQX
CC
t
RLAZ
CC
1)
Interfacing the C508 to devices with float times up to 20 ns is permissible. This limited bus contention will not
cause any damage to port 0 drivers.
AC Characteristics
(cont’d)
(Operating conditions apply)
(
C
L
for Port 0, ALE and PSEN outputs = 100 pF;
C
L
for all other outputs = 80 pF)
Parameter
Symbol
Limit Values
Variable Clock
1
/
4
TCL = 5 MHz to
10 MHz
Unit
10-MHz
clock
Duty Cycle
0.5 to 0.5
min.
max.
min.
max.
相關(guān)PDF資料
PDF描述
C508 Previous Vectron Model Numbers
C509-L 8-Bit CMOS Microcontroller
C509-L 8-Bit CMOS Microcontroller
C513A-2RM 8-Bit CMOS Microcontroller
C513A-HN 8-Bit CMOS Microcontroller
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