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MX26LV004BTC-55G Datasheet(PDF) 11 Page - Macronix International |
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MX26LV004BTC-55G Datasheet(HTML) 11 Page - Macronix International |
11 / 43 page 11 P/N:PM1099 MX26LV004T/B 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. 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. Af- ter completing a programming operation in the Erase Suspend mode, the system may once again read array data with the same exception. See erase 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 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 be-fore programming begins. This resets the device to reading array data (also applies to programming in Erase Sus- pend 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 se- quence. 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 Sus- pend). If Q5 goes high during a program or erase operation, writ- ing the reset command returns the device to read-ing array data (also applies during Erase Suspend). Pins A0 A1 Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0 Code(Hex) Manufacture code VIL VIL 1 1 0 0001 0 C2H Device code VIH VIL 1 0 1 1010 1 B5H for MX26LV004T Device code VIH VIL 1 0 1 1011 0 B6H for MX26LV004B TABLE 6. SILICON ID CODE |
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