參數(shù)資料
型號: SAB-C517A-4RM
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, 18 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 57/67頁
文件大?。?/td> 479K
代理商: SAB-C517A-4RM
Semiconductor Group
57
1997-10-01
C517A
AC Characteristics (18 MHz)
V
CC
= 5 V + 10%, – 15%;
V
SS
= 0 V
T
A
= 0 to 70
°
C
T
A
= – 40 to 85
°
C
T
A
= – 40 to 110
°
C
for the SAB-C517A
for the SAF-C517A
for the SAH-C517A
(
C
L
for port 0, ALE and PSEN outputs = 100 pF;
C
L
for all other outputs = 80 pF)
Program Memory Characteristics
*)
Interfacing the C517A to devices with float times up to 45 ns is permissible. This limited bus contention will not
cause any damage to port 0 drivers.
Parameter
Symbol
Limit Values
Unit
18 MHz
Clock
Variable Clock
1/
t
CLCL
= 3.5 MHz to 18 MHz
min.
2
t
CLCL
– 40
t
CLCL
– 30
t
CLCL
– 30
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
71
ns
Address setup to ALE
26
ns
Address hold after ALE
26
4
t
CLCL
– 100
ns
ALE low to valid instruction in
122
ns
ALE to PSEN
31
ns
PSEN pulse width
132
3
t
CLCL
– 75
t
CLCL
– 10
5
t
CLCL
– 98
ns
PSEN to valid instruction in
92
ns
Input instruction hold after PSEN
0
0
ns
Input instruction float after PSEN
46
t
CLCL
– 8
ns
Address valid after PSEN
48
ns
Address to valid instr in
180
ns
Address float to PSEN
0
0
ns
相關PDF資料
PDF描述
SAF-C517A-4RM 8-Bit CMOS Microcontroller
SAB-C517A-L24M 8-Bit CMOS Microcontroller
SAB-C517A-LM 8-Bit CMOS Microcontroller
SAB-C517A-4R24M 8-Bit CMOS Microcontroller
SAF-C517A-4R24M 8-Bit CMOS Microcontroller
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