PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 275
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PEF2091
Manufacturer Part Number
PEF2091
Description
ICs for Communications(ISDN Echocancellation Circuit)
Manufacturer
Siemens Semiconductor Group
Datasheet
1.PEF2091.pdf
(298 pages)
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Figure 114
Table 51
Parameter
Data clock rise/fall
Clock period
Pulse width
high/low
Frame synch. rise/fall
Frame setup
Frame hold
Frame width
high/low
Data sample delay
Data hold
1) This is in according to the IOM
Semiconductor Group
be 1
T
1)
DCL
DCL
FSC
DOUT
DIN
for superframe markers and at least 2
IOM
IOM
®
®
-2 Timing of IOM
-2 Dynamic Input Characteristics
t
dF
t
r
t
dDF
t
dDC
Signal
FSC
DIN
DCL
®
t
-2-timing specification. For correct functional operation the high period must
sF
t
wH
t
wFH
t
f
Symbol
t
T
t
t
t
t
t
t
t
t
t
R
wH
wL
R
sF
dF
wFH
wFL
sD
hD
®
DCL
, t
, t
-2 Interface (Detail)
F
F
275
T
Data Valid
DCL
min.
200
53
53
30
100
2
t
50
wH
T
for non-superframe markers
DCL
+ 20
T
t
DCL
Limit Values
sD
Data Valid
max.
60
60
t
wL
Electrical Characteristics
– 30
t
t
hD
wL
Data Sheet 01.99
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PEB 2091
PEF 2091
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