參數(shù)資料
型號: HPC16003
廠商: National Semiconductor Corporation
英文描述: High-Performance microControllers
中文描述: 高性能微控制器
文件頁數(shù): 10/36頁
文件大?。?/td> 467K
代理商: HPC16003
AC Electrical Specifications
Test Conditions V
CC
e
4.5V and 5.5V (Unless Otherwise Specified) (Note 1)
Symbol
Parameter
Conditions
SBGRP 9
a
25
§
C
SBGRP 10
a
125
§
C
SBGRP 11
b
55
§
C
Units
Notes
Min
Max
Min
Max
Min
Max
f
C
e
CKI Freq.
Operating Frequency
2
20
2
20
2
20
MHz
(Note 5)
t
CI
e
1/FC
Clock Period
50
50
50
ns
(Note 5)
t
C
e
2/FC
Timing Cycle
100
100
100
ns
(Note 5)
t
LL
e
(/2
t
C
b
9
ALE Pulse Width
41
41
41
ns
(Note 6)
t
ST
e
(/4
t
C
b
7
Address Valid to
ALE Falling Edge
18
18
18
ns
(Note 6)
t
WAIT
e
t
C
e
WS
Wait State Period
100
100
100
ns
(Note 5)
FMW
e
0.0625 f
C
External MICROWIRE/PLUS
CLK Input Frequency
1.25
1.25
1.25
MHz
(Note 6)
f
U
e
0.125 f
C
External UART
Clock Input Frequency
2.5
2.5
2.5
MHz
(Note 5)
t
DCIC2
CK2 Delay From CK1
55
55
55
ns
(Note 6)
t
ARR
e
(/4
t
C
b
5
ALE Falling Edge
to RD Falling Edge
20
20
20
ns
(Note 6)
t
RW
e
(/2
t
C
a
WS
b
10
RD Pulse Width
140
140
140
ns
(Note 6)
t
DR
e
3.4 t
C
b
15
Data Hold after
Rising Edge of RD
0
60
0
60
0
60
ns
(Note 6)
t
RD
e
(/2
t
C
a
WS
b
65
RD Falling Edge to
Data in Valid
85
85
85
ns
(Note 6)
t
RDA
e
t
C
b
15
RD Rising Edge to
Address Valid
85
85
85
ns
(Note 6)
t
VP
e
(/4
t
C
b
5
Address Hold from
ALE Falling Edge
20
20
20
ns
(Note 6)
t
ARW
e
(/2
t
C
b
5
ALE Trailing Edge
to WR Falling Edge
45
45
45
ns
(Note 6)
t
WW
e
*/4
t
C
a
WS
b
15
WR Pulse Width
160
160
160
ns
(Note 6)
t
HW
e
(/4
t
C
b
5
Data Hold after
Trailing Edge of WR
20
20
20
ns
(Note 6)
t
V
e
(/2
t
C
a
WS
b
5
Data Valid before
Rising Edge of WR
145
145
145
ns
(Note 6)
t
DAR
e
(/4
t
C
a
WS
b
50
Falling Edge of ALE
to Falling Edge of RDY
75
75
75
ns
(Note 6)
10
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