TXC-04251AIPQ Transwitch Corporation, TXC-04251AIPQ Datasheet - Page 90

• Manufacturer Part Number: TXC-04251AIPQ
• Manufacturer: Transwitch Corporation

Specifications of TXC-04251AIPQ

• Pin Count: 160
• Screening Level: Industrial
• Package Type: PQFP
• Lead Free Status / Rohs Status: Not Compliant

TXC-04251-MB
Ed. 4, March 2000
QT1M
TXC-04251
LIST OF DATA SHEET CHANGES
This change list identifies those areas within this updated QT1M Data Sheet that have significant differences
relative to the previous and now superseded QT1M Data Sheet:
The page numbers indicated below of this updated Data Sheet include significant changes relative to the previ-
ous Data Sheet.
Updated Data Sheet
Page Number of
22-23
24-25
30-31
88-89
9-10
All
16
17
32
43
50
67
70
76
77
86
87
90
93
Updated QT1M Data Sheet:
Previous QT1M Data Sheet:
2
Changed edition number and date.
Added ‘Unequipped Payload Generation’ section at page 32.
On page 10, deleted Pins No. 2 and 121 for Symbol NC and added these two pins
to the Symbol Reserved row. Deleted Note 1. Made corresponding changes to
Figure 3 on page 9.
Added second sentence to Name/Function column for Symbol TRS, to specify a
power-up initialization requirement.
Removed Operating Junction Temperature row from first table. Moved Ambient
Operating Temperature row to first table from last table. Changed ESD
Classification row and added Note 3 for first table. Reduced Max value of thermal
resistance in second table from 41.4 to 23.0. Renamed last table.
Added signal ‘A/BDPAR’ for second waveform and ‘A/BAPAR’ for sixth waveform in
Figures 6 and 7, and added sentence about data delay to Notes. Added ‘DPAR’ in
Parameter for Symbols t
Added signal ‘A/BAPAR’ to fourth waveform in Figures 8 and 9. Added ‘APAR’ in
Parameter for Symbols t
Added last sentence in first paragraph.
Added ‘Unequipped Payload Generation’ section.
Added ‘(when RDIEN=0)’ in first row and ‘(when RDIEN=1)’ in second row for
Definition column of RDI Bit Assignment table.
Added ‘Boundary Scan Reset’ section before Figure 16.
Changed first sentence and added last sentence of Description for Symbol ABD.
Changed Description for Symbol UEAME.
Added last sentence to Description for Symbols TnSEL1, TnSEL0, and RnSEL.
Added last sentence to Description for Symbols UCHnE and USCHnE.
Added last sentence to Description for Symbol VTNn.
Deleted reference to socket mounting. Changed Note 3 and dimension for package
height to 4.10 from 4.07 in Figure 17.
Updated Related Products section.
Made extensive changes to Standards Documentation Sources section.
Replaced List of Data Sheet Changes section to show changes from Ed. 3 to Ed. 4.
Updated Documentation Update Registration Form.
DATA SHEET
SU(1)
OD(2)
- 90 -
Edition 4, March 2000
Edition 3, December 1997
Summary of the Change
, t
and t
H(1)
OD(3)
and ‘APAR’ for Symbols t
in tables.
OD(2)
, t
OD(3)
in tables.