参数资料
型号: SAB-C515-LM
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, MQFP-80
文件页数: 52/162页
文件大小: 771K
代理商: SAB-C515-LM
Semiconductor Group
10-7
Device Specifications
C515
AC Characteristics (16 MHz) (cont’d)
External Data Memory Characteristics
External Clock Drive Characteristics
Parameter
Symbol
Limit Values
Unit
16 MHz
Clock
Variable Clock
1/
t
CLCL = 1 MHz to 16 MHz
min.
max.
min.
max.
RD pulse width
t
RLRH
275
6
t
CLCL – 100
ns
WR pulse width
t
WLWH
275
6
t
CLCL – 100
ns
Address hold after ALE
t
LLAX2
90
2t
CLCL – 35
ns
RD to valid data in
t
RLDV
148
5
t
CLCL – 165
ns
Data hold after RD
t
RHDX
0
0–ns
Data float after RD
t
RHDZ
–55
2
t
CLCL – 70
ns
ALE to valid data in
t
LLDV
350
8
t
CLCL – 150
ns
Address to valid data in
t
AVDV
398
9
t
CLCL – 165
ns
ALE to WR or RD
t
LLWL
138
238
3
t
CLCL – 50
3
t
CLCL + 50
ns
Address valid to WR or RD
t
AVWL
120
4
t
CLCL – 130
ns
WR or RD high to ALE high
t
WHLH
23
103
t
CLCL – 40
t
CLCL + 40
ns
Data valid to WR transition
t
QVWX
13
t
CLCL – 50
ns
Data setup before WR
t
QVWH
288
7
t
CLCL – 150
ns
Data hold after WR
t
WHQX
13
t
CLCL – 50
ns
Address float after RD
t
RLAZ
0
–0ns
Parameter
Symbol
Limit Values
Unit
Variable Clock
Freq. = 1 MHz to 16 MHz
min.
max.
Oscillator period
t
CLCL
62.5
1000
ns
High time
t
CHCX
20
t
CLCL tCLCX
ns
Low time
t
CLCX
20
t
CLCL tCHCX
ns
Rise time
t
CLCH
–20
ns
Fall time
t
CHCL
–20
ns
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