參數(shù)資料
型號: CN8223EPF
英文描述: ATM/SONET TRANSCEIVER|CMOS|QFP|160PIN|PLASTIC
中文描述: 的ATM / SONET的收發(fā)器|的CMOS | QFP封裝| 160PIN |塑料
文件頁數(shù): 139/161頁
文件大?。?/td> 1865K
代理商: CN8223EPF
CN8223
4.0 Electrical and Mechanical Specifications
ATM Transmitter/Receiver with UTOPIA Interface
4.3 Timing
100046D
Conexant
4-5
Figure 4-1. Local Processor Interface Timing
PRCLK
AS
~
CS
~
A[7:1]
W/R
~
D[15:0]
(Read Operation)
Hold t
prh
plus
2 ns Min
(t
pras
)
Set Up
4 ns Min
Hold
8 ns Min
(t
csph
)
Invalid
t
prl
Set Up
1 ns Min
(t
apr
and t
wpr
)
Hold
8 ns Min
Hold
5 ns Min
Hold
11 ns Max
(t
pdd
and t
pdv
)
Invalid 4.9 ns Max
(t
odi
and t
odz
)
Address Latched
in CN8223
VALID
VALID
t
prclk
t
prh
t
prl
(t
pdi
and t
pdz
)
(t
aspr
and t
cspr
)
4 ns
OE
~
(t
odd
and t
odv
)
Valid 6 ns. Max
Hold
3.2 ns Min
D[15:0]
Set Up
1 ns Min
(t
dpr
)
Hold
3 ns Min
(t
prd
)
(Write Operation)
VALID
8
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