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MX29F100TTC-55 Datasheet(PDF) 10 Page - Macronix International |
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MX29F100TTC-55 Datasheet(HTML) 10 Page - Macronix International |
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10 / 47 page  10 P/N:PM0548 MX29F100T/B REV. 1.2, NOV. 12, 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 1 0 1 1 0 0 1 22D9H for MX29F100T Byte VIH VIL X 1 1 0 1 1 0 0 1 D9H Device code Word VIH VIL 22H 1 1 0 1 1 1 1 1 22DFH for MX29F100B Byte VIH VIL X 1 1 0 1 1 1 1 1 DFH 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 3. EXPANDED SILICON ID CODE ERASE COMMANDS The Automatic Sector Erase does not require the device to be entirely pre-programmed prior to executing the Automatic Set-up Sector Erase command and Automatic Sector Erase command. Upon executing the Automatic Sector Erase command, the device will automatically program and verify the sector(s) memory for an all-zero data pattern. The system does not require to provide any control or timing during these operations. When the sector(s) is automatically verified to contain an all-zero pattern, a self-timed sector erase and verification begin. The erase and verification operations are complete when the data on Q7 is "1" and the data on Q6 stops toggling for two consecutive read cycles, at which time the device returns to the Read mode. The system does not require to provide any control or timing during these operations. When using the Automatic Sector Erase algorithm, note that the erase automatically terminates when adequate erase margin has been achieved for the memory array (no erase verified command is required). Sector erase is a six-bus cycle operation. There are two "unlock" write cycles. These are followed by writing the set-up command 80H. Two more "unlock" write cycles are then followed by the sector erase command 30H. The sector address is latched on the falling edge of WE, while the command(data) is latched on the rising edge of WE. Sector addresses selected are loaded into internal register on the sixth falling edge of WE. Each succes- sive sector load cycle started by the falling edge of WE must begin within 30us from the rising edge of the preceding WE. Otherwise, the loading period ends and internal auto sector erase cycle starts. (Monitor Q3 to determine if the sector erase timer window is still open, see section Q3, Sector Erase Timer.) Any command other than Sector Erase (30H) or Erase Suspend (B0H) during the time-out period resets the derice to read mode. ERASE SUSPEND This command is only valid while the state machine is executing Automatic Sector Erase operation, and there- fore will only be responded to period during Automatic Sector Erase operation. Writing the Erase Suspend command during the Sector Erase time-out immediately terminates the time-out immediately terminates the time-out period and suspends the erase operation. After this command has been executed, the command register will initiate erase suspend mode. The state machine will return to read mode automatically after suspend is ready. At this time, state machine only allows the command register to respond to the Read Memory Array, Erase Resume and Program com- mands. The system can determine the status of the program operation using the Q7 or Q6 status bits, just as in the standard program operation. After an erase-suspend program operation is complete, the system can once again read array data within non-suspended sectors. |
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