參數(shù)資料
型號(hào)： SAF-C515A-LM
廠商： INFINEON TECHNOLOGIES AG
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 18 MHz, MICROCONTROLLER, PQFP80
封裝： METRIC, PLASTIC, QFP-80
文件頁(yè)數(shù)： 43/58頁(yè)
文件大小： 634K
代理商： SAF-C515A-LM
C515A
Semiconductor Group
48
1997-10-01
AC Characteristics (18 MHz)
V
CC = 5 V + 10%, – 15%; VSS = 0 V
T
A = 0 to 70 °C
for the SAB-C515A
T
A = – 40 to 85 °C
for the SAF-C515A
T
A = – 40 to 110 °C
for the SAH-C515A
T
A = – 40 to 125 °C
for the SAK-C515A
(
C
L for port 0, ALE and PSEN outputs = 100 pF; CL for all other outputs = 80 pF)
Program Memory Characteristics
*)
Interfacing the C515A to devices with float times up to 48 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.
max.
min.
max.
ALE pulse width
t
LHLL
71
–
2
t
CLCL – 40
–
ns
Address setup to ALE
t
AVLL
26
–
t
CLCL – 30
–
ns
Address hold after ALE
t
LLAX
26
–
t
CLCL – 30
–
ns
ALE low to valid instruction in
t
LLIV
–
122
–
4
t
CLCL – 100
ns
ALE to PSEN
t
LLPL
31
–
t
CLCL – 25
–
ns
PSEN pulse width
t
PLPH
132
–
3
t
CLCL – 35
–
ns
PSEN to valid instruction in
t
PLIV
–92
–
3
t
CLCL – 75
ns
Input instruction hold after PSEN
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
–
180
–
5
t
CLCL – 98
ns
Address float to PSEN
t
AZPL
0
–
0–ns
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