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DS2155LN+ Datasheet(PDF) 8 Page - Dallas Semiconductor

Part # DS2155LN+
Description  T1/E1/J1 Single-Chip Transceiver
Download  238 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2155LN+ Datasheet(HTML) 8 Page - Dallas Semiconductor

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2. DATA SHEET REVISION HISTORY
REVISION
DESCRIPTION
080607
In Section 3: Line Interface and Section 3.1: Functional Description, corrected dB values
for E1 and T1 (page 10 and page 13):
E1: 0 to -43dB and 0 to -12dB
T1: 0 to -15dB and 0 to -36dB
040907
Added Note 1 (GBD for cold temp) to Absolute Maximum Ratings (Section 36).
041806
Replaced Figure 24-3 and Figure 24-4, added Table 24-A and Table 24-B.
011606
Added lead-free packages to Ordering Information table on page 1.
Add revision history table: The previous version of the DS2155 data sheet (12-06-02) did
not incorporate a revision history table and did not describe new features added to B1
revision of the DS2155.
THE FOLLOWING WERE INADVERTENTLY REMOVED FROM THE
PREVIOUS VERSION OF THE DS2155 DATA SHEET:
Add CSBGA package information to Ordering Information table on front page
Add CSBGA package thermal characteristics to Operating Parameters section
Add Transmit Line Build Out Control register (TLBC) description
Add Transmit Line Build Out Control register (TLBC) to Port Map
Add Transmit Line Build Out Control register (TLBC) description to LIU TRANSMIT
section
THE FOLLOWING ARE CORRECTIONS TO ERRORS IN THE PREVIOUS
VERSION OF THE DS2155 DATA SHEET:
Correct Device ID in Device Identification Register
Correct Device ID in JTAG ID Code table
Correct minimum value for tDHW in AC CHARACTERISTICS: MULTIPLEXED
PARALLEL PORT table. tDHW was changed from 5ns to 0ns
Correct minimum value for tDDR in AC CHARACTERISTICS: MULTIPLEXED
PARALLEL PORT table. tDDR was changed from unstated to 20ns
Corrections to AC CHARACTERISTICS: TRANSMIT SIDE timing table.
1. tCP, tCH, tCL, tLP, tLH, tLL, and tSP typical values have been restated to reflect various IBO
modes.
2. tCH, tCL, tLH, tLL minimum values have been changed from 75ns to 20ns.
3. tSP, tLL minimum values have been changed from 50ns to 20ns.
4. tD3 minimum values have been changed from 75ns to 22ns.
Corrections to AC CHARACTERISTICS: RECEIVE SIDE timing table.
1. tCP, tCH, tCL, tLP, tLH, tLL, and tSP typical values have been restated to reflect various IBO
modes.
2. tCH, tCL, minimum values have been changed from 75ns to 20ns.
3. tSH, tSL minimum values have been changed from 50ns to 20ns.
4. tSH, tSL typical values have been added.
5. tD3, tD4 minimum values have been changed from 50ns to 22ns.
100903
Correct Transmit Signaling Registers (E1 Mode, CCS Format) table in Transmit Signaling
section


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