參數(shù)資料
型號: SAF-C505C-LM
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, MQFP-44
文件頁數(shù): 74/85頁
文件大小: 487K
代理商: SAF-C505C-LM
C505L
Data Sheet
72
06.99
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
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
120
3 CLP – 30
ns
WR pulse width
120
3 CLP – 30
ns
Address hold after ALE
35
CLP – 15
ns
RD to valid data in
75
5/2 CLP– 50
ns
Data hold after RD
0
0
ns
Data float after RD
38
CLP – 12
ns
ALE to valid data in
150
4 CLP – 50
ns
Address to valid data in
150
9/2 CLP – 75
ns
ALE to WR or RD
60
90
3/2 CLP – 15
3/2 CLP + 15
ns
Address valid to WR
70
2 CLP – 30
ns
WR or RD high to ALE high
10
40
CLP/2 – 15
CLP/2 + 15
ns
Data valid to WR transition
5
CLP/2 – 20
ns
Data setup before WR
125
7/2 CLP – 50
ns
Data hold after WR
5
CLP/2 – 20
ns
Address float after RD
0
0
ns
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
TCL
L
t
R
t
F
DC
15
CLP – TCL
L
CLP – TCL
H
10
ns
Low time
15
ns
Rise time
ns
Fall time
10
ns
Oscillator duty cycle
0.5
0.5
相關(guān)PDF資料
PDF描述
SAF-C505-LM 8-Bit CMOS Microcontroller
SAB-C505-LM 8-Bit CMOS Microcontroller
SAB-C505C-LM 8-Bit CMOS Microcontroller
SAF-C505 8-Bit CMOS Microcontroller
SAFC505 8-Bit CMOS Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAF-C505L 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-bit CMOS Microcontroller
SAF-C505L-4EM 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-bit CMOS Microcontroller
SAF-C505-LM 制造商:Rochester Electronics LLC 功能描述:- Bulk
SAFC5084EM 制造商:Infineon Technologies AG 功能描述:MCU 8-bit C500 8051 CISC 32KB EPROM 5V 64-Pin MQFP
SAFC5084EMTR 制造商:Infineon Technologies AG 功能描述:MCU 8-Bit C500 8051 CISC 32KB EPROM 5V 64-Pin MQFP T/R