txc-03453b TranSwitch Corporation, txc-03453b Datasheet - Page 38
txc-03453b
Manufacturer Part Number
txc-03453b
Description
Tl3m Device Triple Level Mapper
Manufacturer
TranSwitch Corporation
Datasheet
1.TXC-03453B.pdf
(96 pages)
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Quantity
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Part Number:
txc-03453bROGA
Manufacturer:
TRANSWITCH
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September 2003
TL3M
TXC-03453B
PRELIMINARY TXC-03453B-MB, Ed. 3
DCLK clock period
DCLK duty cycle, t
DD(7-0) data/DPAR/DC1J1/DC1/DSPE
setup time before DCLK
DD(7-0) data/DPAR/DC1J1/DC1/DSPE
hold time after DCLK
(INPUTS)
(INPUT)
(INPUT)
(INPUT)
DD(7-0)
DC1J1
DCLK
DPAR
DSPE
Note:
Parameter
t
SU
The relationship between J1 and the SPE signals is shown for illustration purposes
only, and will be a function of the pointer offset. For the STS-3 format, there will be
three J1 pulses which indicate the start of each of the STS-1 SPEs. The C1 pulse
is shown dotted because the C1 pulse may be provided on the DC1 signal lead. If
the DC1 signal lead is not used, it must be grounded.
PWH
C1(1)
C1(1)
/t
CYC
t
H
C1(2)
Figure 13. STS-3 Drop Bus Interface Timing
C1(3)
t
t
SU
PWH
t
H
t
Symbol
CYC
DATA SHEET
t
CYC
t
SU
t
--
H
- 38 of 96 -
Min
4.0
4.0
40
STS-1#1
J1 for
STS-1 #1
J1
STS-1#2
J1 for
STS-1 #2
51.44
Typ
J1
50
STS-1#3
J1 for
STS-1 #3
J1
STS-1 #1
Max
60
DATA
Unit
ns
ns
ns
%
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