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MX29LV400TXEC-90 Datasheet(PDF) 11 Page - Macronix International |
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MX29LV400TXEC-90 Datasheet(HTML) 11 Page - Macronix International |
11 / 59 page 11 P/N:PM0710 MX29LV400T/B REV. 1.4, NOV. 23, 2001 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 MX29LV400T 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 MX29LV400B Byte VIH VIL X 1 0 1 1 1 0 1 0 BAH Sector Protection X VIH X 0 0 0 0 0 0 0 1 01H (Protected) Verification X VIH X 0 0 0 0 0 0 0 0 00H (Unprotected) TABLE 6. EXPANDED SILICON ID CODE READING ARRAY DATA The device is automatically set to reading array data after device power-up. No commands are required to retrieve data.The device is also ready to read array data after completing an Automatic Program or Automatic Erase algorithm. After the device accepts an Erase Suspend command, the device enters the Erase Suspend mode. The sys- tem can read array data using the standard read tim- ings, except that if it reads at an address within erase- suspended sectors, the device outputs status data. After completing a programming operation in the Erase Suspend mode, the system may once again read array data with the same exception. See rase Suspend/Erase Resume Commands” for more infor-mation on this mode. 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 device 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 be-fore programming begins. This resets the device to reading array data (also applies to programming in Erase Suspend mode). Once programming begins,however, the device ignores reset commands until the operation is complete. The reset command may be written between the se- quence cycles in an SILICON ID READ command sequence. Once in the SILICON ID READ mode, the reset command must be written to return to reading array data (also applies to SILICON ID READ during Erase Suspend). If Q5 goes high during a program or erase operation, writing the reset command returns the device to read- ing array data (also applies during Erase Suspend). |
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