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CONFIDENTIAL – DO NOT COPY
Page 8-19
File No. SG-0184
After the system writes the auto select command sequence, the device enters the auto select
mode. The system can then read auto select codes from the internal register (which is
separate from the memory array) on Q7-Q0. Standard read cycle timings apply in this mode.
Refer to the Auto select Mode and Auto select Command Sequence section for more
information. ICC2 in the DC Characteristics table represents the active current specification for
the write mode. The "AC Characteristics" section contains timing specification table and timing
diagrams for write operations.
Figure 1
3. READ/RESET COMMAND
The read or reset operation is initiated by writing the read/reset command sequence into the
command register. Microprocessor read cycles retrieve array data. The device remains
enabled for reads until the command register contents are altered. If program-fail or erase-fail
happen, the write of F0H will reset the device to abort the operation. A valid command must
then be written to place the device in the desired state.