参数资料
型号: SAB-C505-2R16M
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, MQFP-44
文件页数: 74/88页
文件大小: 1013K
代理商: SAB-C505-2R16M
C505/C505C/C505A/C505CA
Data Sheet
72
12.00
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.
max.
min.
max.
RD pulse width
t
RLRH
120
3 CLP - 30
ns
WR pulse width
t
WLWH
120
3 CLP - 30
ns
Address hold after ALE
t
LLAX2
35
CLP - 15
ns
RD to valid data in
t
RLDV
75
5/2 CLP- 50
ns
Data hold after RD
t
RHDX
0
0
ns
Data float after RD
t
RHDZ
38
CLP - 12
ns
ALE to valid data in
t
LLDV
150
4 CLP - 50
ns
Address to valid data in
t
AVDV
150
9/2 CLP - 75
ns
ALE to WR or RD
t
LLWL
60
90
3/2 CLP - 15
3/2 CLP + 15 ns
Address valid to WR
t
AVWL
70
2 CLP - 30
ns
WR or RD high to ALE high
t
WHLH
10
40
CLP/2 - 15
CLP/2 + 15
ns
Data valid to WR transition
t
QVWX
5
CLP/2 - 20
ns
Data setup before WR
t
QVWH
125
7/2 CLP - 50
ns
Data hold after WR
t
WHQX
5
CLP/2 - 20
ns
Address float after RD
t
RLAZ
0
0ns
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
15
CLP-TCL
L
ns
Low time
TCLL
15
CLP-TCL
H
ns
Rise time
tR
10
ns
Fall time
tF
10
ns
Oscillator duty cycle
DC
0.5
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