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DS2155LN+ Datasheet(PDF) 8 Page - Dallas Semiconductor |
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DS2155LN+ Datasheet(HTML) 8 Page - Dallas Semiconductor |
8 / 238 page DS2155 8 of 238 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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