參數(shù)資料
型號(hào): SAB-80C517A-N18
廠商: SIEMENS AG
元件分類: 8位微控制器
英文描述: 8-Bit CMOS Single-Chip Microcontroller
中文描述: 8位CMOS單芯片微控制器
文件頁數(shù): 66/77頁
文件大?。?/td> 1358K
代理商: SAB-80C517A-N18
SAB 80C517A/83C517A-5
Semiconductor Group
65
1994-05-01
AC Characteristics
V
CC
= 5 V + 10 %, – 15 %;
V
SS
= 0 V
T
A
=
0 to 70
o
C for the SAB 80C517A/83C517A-5
T
A
=
40 to 85
o
C for the SAB 80C517A-T3/83C517A-5-T3
T
A
=
40 to110
o
C for the SAB 80C517A-T4/83C517A-5-T4
(
C
L
for port 0, ALE and PSEN outputs = 100 pF;
C
L
for all other outputs = 80 pF)
Parameter
Symbol
Limit Values
Unit
18 MHz Clock
Variable Clock
1/
t
CLCL
= 3.5 MHz to 18 MHz
min.
max.
min.
max.
Program Memory Characteristics
ALE pulse width
t
LHLL
71
2
t
CLCL
– 40
t
CLCL
– 30
t
CLCL
– 30
ns
Address setup to ALE
t
AVLL
26
ns
Address hold after ALE
t
LLAX
26
ns
ALE to valid instruction
t
LLIV
122
4
t
CLCL
– 100
ns
ALE to
PSEN
t
LLPL
31
t
CLCL
– 25
3
t
CLCL
– 35
ns
PSEN pulse width
t
PLPH
132
ns
PSEN to valid instruction
t
PLIV
Input instruction hold
after PSEN
92
3
t
CLCL
– 75
ns
t
PXIX
0
0
ns
Input instruction float
after PSEN
t
PXIZ
46
t
CLCL
– 10
ns
Address valid after
PSEN
t
PXAV*)
48
t
CLCL
– 8
ns
Address to valid instr in
t
AVIV
218
5
t
CLCL
– 60
ns
Address float to PSEN
t
AZPL
0
0
ns
*)
Interfacing the SAB 80C517A to devices with float times up to 45 ns is permissible.
This limited bus contention will not cause any damage to port 0 drivers.
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