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HD3-6409-9 Datasheet(PDF) 1 Page - Intersil Corporation |
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HD3-6409-9 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 14 page 1 ® HD-6409 CMOS Manchester Encoder-Decoder The HD-6409 Manchester Encoder-Decoder (MED) is a high speed, low power device manufactured using self-aligned silicon gate technology. The device is intended for use in serial data communication, and can be operated in either of two modes. In the converter mode, the MED converts Non return-to-Zero code (NRZ) into Manchester code and decodes Manchester code into Nonreturn-to-Zero code. For serial data communication, Manchester code does not have some of the deficiencies inherent in Nonreturn-to-Zero code. For instance, use of the MED on a serial line eliminates DC components, provides clock recovery, and gives a relatively high degree of noise immunity. Because the MED converts the most commonly used code (NRZ) to Manchester code, the advantages of using Manchester code are easily realized in a serial data link. In the Repeater mode, the MED accepts Manchester code input and reconstructs it with a recovered clock. This minimizes the effects of noise on a serial data link. A digital phase lock loop generates the recovered clock. A maximum data rate of 1MHz requires only 50mW of power. Manchester code is used in magnetic tape recording and in fiber optic communication, and generally is used where data accuracy is imperative. Because it frames blocks of data, the HD-6409 easily interfaces to protocol controllers. Features • Converter or Repeater Mode • Independent Manchester Encoder and Decoder Operation • Static to One Megabit/sec Data Rate Guaranteed • Low Bit Error Rate • Digital PLL Clock Recovery • On Chip Oscillator • Low Operating Power: 50mW Typical at +5V • Pb-Free Available (RoHS Compliant) Pinout HD-6409 (20 LD PDIP, SOIC) TOP VIEW 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 BZI BOI UDI SD/CDS SDO SRST DCLK NVM RST GND VCC BZO SS ECLK BOO CTS MS OX IX CO Ordering Information PART NUMBER (1 MEGABIT/SEC) PART MARKING TEMP. RANGE (°C) PACKAGE PKG. DWG. # HD3-6409-9 HD3-6409-9 -40 to +85 20 Ld PDIP E20.3 HD3-6409-9Z (Notes 2, 3) HD3-6409-9Z -40 to +85 20 Ld PDIP (Pb-free) E20.3 HD9P6409-9 HD9P6409-9 -40 to +85 20 Ld SOIC M20.3 HD9P6409-9Z (Notes 2, 3) HD9P6409-9Z -40 to +85 20 Ld SOIC (Pb-free) M20.3 HD9P6409-9Z96 (Notes 1, 2, 3) HD9P6409-9Z -40 to +85 20 Ld SOIC Tape & Reel (Pb-free) M20.3 NOTES: 1. “96” suffix is for tape and reel. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 3. Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications. FN2951.3 Data Sheet October 15, 2008 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 1997, 2005, 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners. |
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