txc-03453b TranSwitch Corporation, txc-03453b Datasheet - Page 34
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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
Note 1: 22.35 ns (DS3) or 29.10 ns (E3).
RCLKn clock period
RCLKn duty cycle, t
RPOSn/RNEGn data output delay after RCLKn
edge (same relation as on TCLKn to TPOSn/
TNEGn in facility loopback).
Note:
RPOSn/RNEGn
(OUTPUT)
(OUTPUT)
(OUTPUT)
RPOSn
RCLKn
Figure 9. Line Side Receive Timing in Facility Loopback for Channel n
Control bit INVCO (bit 4 in XC1H) has no effect on which edge the data is transmitted.
The three signals for all channels are forced to a high impedance state when control bit
L3EN (bit 0 in 0C1H) is set to 0, or when a hardware or software reset occurs. Each chan-
nel’s output is forced to a high impedance state when control bit L3OEN (bit 0 in XC2H)
is set to 0. Facility loopback is enabled when control bit FLBK (bit 2 in XC1H) is set to 1.
Parameter
PWH
/t
CYC
DATA SHEET
- 34 of 96 -
Symbol
t
t
t
CYC
t
t
---
OD
OD
CYC
OD
t
PWH
Min
0.0
45
See Note 1
Typ
50
NRZ Interface
Rail Interface
Max
4.0
55
Unit
ns
ns
%
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