參數(shù)資料
型號: SAF-C502-2RP
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, 12 MHz, MICROCONTROLLER, PDIP40
文件頁數(shù): 36/46頁
文件大?。?/td> 567K
代理商: SAF-C502-2RP
Semiconductor Group
35
C502
AC Characteristics for SAB-C502-L / C502-2R
V
CC
= 5 V + 10 %, – 15 %;
V
SS
= 0 V
T
A
= 0 C to + 70 C
T
A
= – 40 C to + 85 C
for the SAB-C502
for the SAF-C502
(
C
L
for port 0, ALE and PSEN outputs = 100 pF;
C
L
for all other outputs = 80 pF)
Program Memory Characteristics
*) Interfacing the SAB-C502-L/C502-2R to devices with float times up to 75 ns is permissible. This limited bus
contention will not cause any damage to port 0 Drivers.
Parameter
Symbol
Limit Values
Unit
12 MHz
Clock
Variable Clock
1/
t
CLCL
= 3.5 MHz to 12 MHz
min.
2
t
CLCL
– 40
t
CLCL
– 40
t
CLCL
– 53
t
CLCL
– 25
3
t
CLCL
– 35
min.
max.
max.
ALE pulse width
t
LHLL
t
AVLL
t
LLAX
t
LLIV
t
LLPL
t
PLPH
t
PLIV
t
PXIX
t
PXIZ*)
t
PXAV*)
t
AVIV
t
AZPL
127
ns
Address setup to ALE
43
ns
Address hold after ALE
30
4
t
CLCL
– 100
ns
ALE low to valid instr in
233
ns
ALE to PSEN
58
ns
PSEN pulse width
215
3
t
CLCL
– 100
t
CLCL
– 20
5
t
CLCL
– 115
ns
PSEN to valid instr in
150
ns
Input instruction hold after PSEN
0
0
ns
Input instruction float after PSEN
63
t
CLCL
– 8
ns
Address valid after PSEN
75
ns
Address to valid instr in
302
ns
Address float to PSEN
0
0
ns
相關(guān)PDF資料
PDF描述
SAF-C502-L20N 8-Bit CMOS Microcontroller
SAF-C502-L20P 8-Bit CMOS Microcontroller
SAF-C502-LN 8-Bit CMOS Microcontroller
SAF-C502-LP 8-Bit CMOS Microcontroller
SAB-C502-L20P 8-Bit CMOS Microcontroller
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參數(shù)描述
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