Harman Kardon DVD 26/230 Service Manual

1Features• Medium-voltage and Standard-voltage Operation– 5.0 (V CC = 4.5V to 5.5V)– 2.7 (V CC = 2.7V to 5.5V)• Automotive Temperature Range –40°C to 125°C• Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K),1024 x 8 (8K) or 2048 x 8 (16K)• Two-wire Serial Interface• Schmitt Trigger, Filtered Inputs for Noise Suppression• Bidirectional Data Transfer Protocol• 400 kHz (2.7V) Compatibility• Write Protect Pin for Hardware Data Protection• 8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes• Partial Page Writes are Allowed• Self-timed Write Cycle (5 ms max)• High-reliability– Endurance: 1 Million Write Cycles– Data Retention: 100 Years• 8-lead PDIP, 8-lead JEDEC SOIC, and 8-lead TSSOP PackagesDescriptionThe AT24C01A/02/04/08A/16A provides 1024/2048/4096/8192/16384 bits of serialelectrically erasable and programmable read-only memory (EEPROM) organized as128/256/512/1024/2048 words of 8 bits each. The device is optimized for use in manyautomotive applications where low-power and low-voltage operation are essential.The AT24C01A/02/04/08A/16A is available in space-saving 8-lead PDIP, 8-leadJEDEC SOIC, and 8-lead TSSOP packages and is accessed via a tw o-wire serialinterface. In addition, the entire family is available in 2.7V (2.7V to 5.5V) versions.Table 1. Pin ConfigurationsPin Name FunctionA0 − A2 Address InputsSDA Serial DataSCL Serial Clock InputWP Write ProtectNC No ConnectTwo-wireAutomotiveTemperatureSerial EEPROM1K (128 x 8)2K (256 x 8)4K (512 x 8)8K (1024 x 8)16K (2048 x 8)AT24C01AAT24C02AT24C04AT24C08AAT24C16A5092B–SEEPR–9/0512348765A0A1A2GNDVCCWPSCLSDA8-lead PDIP8-lead SOIC12348765A0A1A2GNDVCCWPSCLSDA8-lead TSSOP12348765A0A1A2GNDVCCWPSCLSDAharman/kardonDVD 26 and 28/230 Service ManualPage 54 of 76