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S5N8944B Dataheets PDF



Part Number S5N8944B
Manufacturers Samsung semiconductor
Logo Samsung semiconductor
Description G.Lite ADSL Transceiver for CO and CPE
Datasheet S5N8944B DatasheetS5N8944B Datasheet (PDF)

S5N8944B G.Lite ADSL Transceiver for CO and CPE Preliminary Information (Revision 2.1) June 2000 SAMSUNG ELECTRONICS CONFIDENTIAL PROPRIETARY Copyright © 2000 Samsung Electronics, Inc. All Rights Reserved S5N8944B G.Lite ADSL Transceiver for CO and CPE Contents 1. 2. 3. 4. 5. 6. 7. 8. 9. Features....5 General Description ....

  S5N8944B   S5N8944B


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S5N8944B G.Lite ADSL Transceiver for CO and CPE Preliminary Information (Revision 2.1) June 2000 SAMSUNG ELECTRONICS CONFIDENTIAL PROPRIETARY Copyright © 2000 Samsung Electronics, Inc. All Rights Reserved S5N8944B G.Lite ADSL Transceiver for CO and CPE Contents 1. 2. 3. 4. 5. 6. 7. 8. 9. Features............................................................................................................................5 General Description .........................................................................................................5 Logical Symbol Diagram..................................................................................................6 Pin Configuration .............................................................................................................7 Pin Description.................................................................................................................8 Functional Description...................................................................................................11 I/O Timing Description ...................................................................................................13 Electrical Characteristics...............................................................................................17 Package Description ......................................................................................................20 CONFIDENTIAL 2 Preliminary Information (Rev.2.1 ) S5N8944B G.Lite ADSL Transceiver for CO and CPE List of Figures Figure 1: General Block Diagram ...................................................................................... 5 Figure 2: Logical Symbol Diagram of the S5N8944B ......................................................... 6 Figure 3: Pin Configuration of the S5N8944B .................................................................... 7 Figure 4: Functional Block Diagram of the S5N8944B ..................................................... 12 Figure 5: AFE Data I/F Timing Diagram........................................................................... 13 Figure 6: AFE Control I/F Timing Diagram....................................................................... 13 Figure 7: Motorola Read Cycle Timing Diagram .............................................................. 14 Figure 8: Motorola Write Cycle Timing Diagram .............................................................. 14 Figure 9: Intel Read Cycle Timing Diagram ..................................................................... 15 Figure 10: Intel Write Cycle Timing Diagram ................................................................... 15 Figure 11: Non-ATM I/F (Byte Mode) Timing Diagram ..................................................... 16 Figure 12: Non-ATM I/F (Envelope Mode) Timing Diagram ............................................. 16 Figure 13: ATM I/F (UTOPIA-2 Transmit) Timing Diagram............................................... 17 Figure 14: ATM I/F (UTOPIA-2 Receive) Timing Diagram................................................ 17 Figure 15: 160-QFP Package Diagram............................................................................ 20 CONFIDENTIAL 3 Preliminary Information (Rev.2.1 ) S5N8944B G.Lite ADSL Transceiver for CO and CPE List of Tables Table 1: Pin Description of the S5N8944B......................................................................... 8 Table 2: Absolute Maximum Ratings ............................................................................... 18 Table 3: Recommended Operating Conditions ................................................................ 18 Table 4: Power Dissipation.............................................................................................. 18 Table 5: DC Characteristics ............................................................................................ 19 CONFIDENTIAL 4 Preliminary Information (Rev.2.1 ) S5N8944B G.Lite ADSL Transceiver for CO and CPE 1. Features • Full Compliance with ITU-T G.Lite and G.hs • FDM based DMT Line Coding • Data Rate: Up to 3.5 Mbps for Downstream and 600 kbps for Upstream. • Reach: 5.4 km (18 kft) on 24 AWG and 4 km (13.5kft) on 26 AWG • Rate Adaptive Modem (steps of 32kbps) • Reed-Solomon Forward Error Correction with Interleaver • Frequency and Time Domain Equalizer • Support Fast Retraining Function • Support Network Management Function • Support Power Management Function • Host Interface (Intel/Motorola) and ATM(UTOPIA-2)/non-ATM Interface • 0.25µ m, 2.5V CMOS Technology • Operating Temperature: -40 °C to 85 °C • Package Type: 160-QFP 2. General Description The S5N8944B is a complete ATM-based rate adaptive G.Lite ADSL modem solution with associated F/W and an Analog Front-End (S5N8943). The S5N8944B provides all the digital functions such as ATM TC, FEC codec with interleaver/de-interleaver, adaptive QAM codec, FFT/IFFT, equalizers, digital filters and so on. Ther.


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