參數(shù)資料
型號: HPC
文件頁數(shù): 5/30頁
文件大?。?/td> 361K
代理商: HPC
HPC Core AC Timing Parameters
V
CC
e
5.0V
g
10%
Symbol
Description
Min
Typ
Max
Units
f
c
e
Input Frequency
(CKIN)
Operating Frequency
2
17.0
MHz
fcdut
e
50%
g
10%
Operation Frequency Duty Cycle
40
60
%
tC1
e
1/fc
Clock Period
59
500
ns
tC2
e
2/fc
Cycle Time
118
1000
ns
WS
e
1tC2
Wait States
118
1000
ns
fxin
e
1/19tC1
(T2IN, T3IN)
External Timer
Input Frequency
892
kHz
txin
Pulse Width for Timer Inputs
40
177
ns
fMW
e
1/19tC1
External MICROWIRE/PLUS
Clock Input Frequency (MWIN)
892
kHz
Symbol
Description
Ref
Best Case
*
Worst Case
*
Units
FO
e
1
d/FO
FO
e
1
d/FO
tCKC1
C1 Delay from CKIN (Note 1)
CKIN, RE
4.4
0.01
31.9
0.1
ns
tCKC2
C2 Delay from CKIN (Note 1)
CKIN, FE
4.9
0.01
32.4
0.03
ns
RESET MODE
tRSET
e
16tC2
Reset Pulse Width
C2, RE
READ CYCLE TIMINGDFigure 2
tALE
Address Latch Enable Active
C1, RE
3.3
0.2
16.5
1.1
ns
tDBXv
Address Databus Valid (Note 1)
C2, FE
1.4
0.1
7.2
0.4
ns
tDBXiv
Address Databus Invalid (Note 1)
C1, FE
4.8
0.1
22.2
0.4
ns
tMTB
Bus Read (Note 1)
C2, RE
1.4
0.03
7.0
0.1
ns
15 pF
d/pF
15 pF
d/pF
tPAv
Port A Valid (Notes 1, 3)
C2, FE
4.8
0.1
19.8
0.1
ns
tPAiv
Port A Invalid (Notes 1, 3)
C1, FE
5.2
0.1
22.2
0.1
ns
FO
e
1
d/FO
FO
e
1
d/FO
tNRDa
Read Active
MTB, RE
2.3
0.2
11.5
1.1
ns
tNRDia
Read Inactive
C2, FE
2.8
0.2
14.5
1.1
ns
tHBEv
High Byte Enable Active
C2, FE
3.9
0.2
27.9
1.1
ns
tWATAs
e
10 ns
Wait Address Setup Time (Note 1)
C2, FE
tWATAh
e
tC2
a
WS
Wait Address Hold Time (Note 1)
C2, FE
tRDEXs
e
20 ns
Read External Setup Time (Note 1)
C2, FE
tRDEXL
e
tCZ
a
WS
Read External Hold Time (Note 1)
C2, FE
tSEL8s
e
10 ns
8-Bit Mode Setup Time (Note 1)
C2, FE
tSEL8L
e
tC2
a
WS
8-Bit Mode Hold Time (Note 1)
C2, FE
5
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