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FM24CL16-S 数据表(PDF) 7 Page - List of Unclassifed Manufacturers |
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FM24CL16-S 数据表(HTML) 7 Page - List of Unclassifed Manufacturers |
7 / 13 page FM24CL16 Rev 2.2 July 2003 Page 7 of 13 command to be issued with the slave address set to 1. The operation is now a current address read. This operation is illustrated in Figure 9. S A Slave Address 1 Data Byte 1 P By Master By FM24CL16 Start Address Stop Acknowledge No Acknowledge Data Figure 7. Current Address Read S A Slave Address 1 Data Byte 1 P By Master By FM24CL16 Start Address Stop Acknowledge No Acknowledge Data Data Byte A Acknowledge Figure 8. Sequential Read S A Slave Address 1 Data Byte 1 P By Master By FM24CL16 Start Address Stop No Acknowledge Data Data Byte A Acknowledge S A Slave Address 0 Word Address A Start Address Acknowledge Figure 9. Selective (Random) Read Endurance A typical EEPROM has a write endurance specification that is fixed. Surpassing the specified level of cycles on an EEPROM usually leads to a hard memory failure. The 24CL16 has no such limitation. Applications The versatility of FRAM technology fits into many diverse applications. Clearly the strength of higher write endurance and faster writes make FRAM superior to EEPROM in all but one-time programmable applications. The advantage is most obvious in data collection environments where writes are frequent and data must be nonvolatile. The attributes of fast writes and high write endurance combine in many innovative ways. A short list of ideas is provided here. 1. Data collection. In applications where data is collected and saved, FRAM provides a superior alternative to other solutions. It is more cost effective than battery backup for SRAM and provides better write attributes than EEPROM. 2. Configuration. Any nonvolatile memory can retain a configuration. However, if the configuration changes and power failure is a possibility, the higher write endurance of FRAM allows changes to be recorded without restriction. Any time the system state is altered, the change can be written. This avoids writing to memory on power down when the available time is short and power scarce. |
类似零件编号 - FM24CL16-S |
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类似说明 - FM24CL16-S |
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