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MX26LV400BXEC-70G Datasheet(PDF) 11 Page - Macronix International |
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MX26LV400BXEC-70G Datasheet(HTML) 11 Page - Macronix International |
11 / 46 page 11 P/N:PM1094 MX26LV400 REV. 1.0, NOV. 08, 2004 READING ARRAY DATA The device is automatically set to reading array data after device power-up. No commands are required to re- trieve data. The device is also ready to read array data after completing an Automatic Program or Automatic Erase algorithm. The system must issue the reset command to re-en- able the device for reading array data if Q5 goes high, or while in the autoselect mode. See the "Reset Command" section, next. RESET COMMAND Writing the reset command to the device resets the de- vice to reading array data. Address bits are don't care for this command. The reset command may be written between the se- quence cycles in an erase command sequence before erasing begins. This resets the device to reading array data. Once erasure begins, however, the device ignores reset commands until the operation is complete. The reset command may be written between the se- quence cycles in a program command sequence before programming begins. This resets the device to reading array data. Once programming begins, however, the de- vice ignores reset commands until the operation is com- plete. The reset command may be written between the se- quence cycles in an SILICON ID READ command se- quence. Once in the SILICON ID READ mode, the reset command must be written to return to reading array data. If Q5 goes high during a program or erase operation, writing the reset command returns the device to read- ing array data. Pins A0 A1 Q15~Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 Code (Hex) Manufacture code Word VIL VIL 00H 1 1 0 0 0 0 1 0 00C2H Byte VIL VIL X 1 1 0 0 0 0 1 0 C2H Device code Word VIH VIL 22H 1 0 1 1 1 0 0 1 22B9H for MX26LV400T Byte VIH VIL X 1 0 1 1 1 0 0 1 B9H Device code Word VIH VIL 22H 1 0 1 1 1 0 1 0 22BAH for MX26LV400B Byte VIH VIL X 1 0 1 1 1 0 1 0 BAH TABLE 6. SILICON ID CODE |
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