Signal Descriptions ........................................................................................................................................... 8
Operating Features ......................................................................................................................................... 11
Polling during a Write, Program, or Erase Cycle ............................................................................................ 11
Active Power, Standby Power, and Deep Power-Down .................................................................................. 11
Status Register ............................................................................................................................................ 12
Data Protection by Protocol ........................................................................................................................ 12
Software Data Protection ............................................................................................................................ 12
Hardware Data Protection .......................................................................................................................... 12
Hold Condition .......................................................................................................................................... 13
Configuration and Memory Map ..................................................................................................................... 14
Memory Configuration and Block Diagram .................................................................................................. 14
Memory Map – 32Mb Density ......................................................................................................................... 15
Command Set Overview ................................................................................................................................. 16
READ STATUS REGISTER ................................................................................................................................ 21
WIP Bit ...................................................................................................................................................... 21
WEL Bit ...................................................................................................................................................... 21
SRWD Bit ................................................................................................................................................... 22
WRITE STATUS REGISTER .............................................................................................................................. 23
READ DATA BYTES ......................................................................................................................................... 25
READ DATA BYTES at HIGHER SPEED ............................................................................................................ 26
PAGE PROGRAM ............................................................................................................................................ 27
DEEP POWER-DOWN ..................................................................................................................................... 30
RELEASE from DEEP POWER-DOWN .............................................................................................................. 31
AC Characteristics .......................................................................................................................................... 38
Package Information ...................................................................................................................................... 43
Device Ordering Information .......................................................................................................................... 47
Standard Parts ............................................................................................................................................ 47
Automotive Parts ........................................................................................................................................ 47
Revision History ............................................................................................................................................. 49
Rev. M – 09/2011 ........................................................................................................................................ 49
Figure 11: READ STATUS REGISTER Command Sequence .............................................................................. 21
Figure 12: Status Register Format ................................................................................................................... 21
Figure 13: WRITE STATUS REGISTER Command Sequence ............................................................................. 23
Figure 14: READ DATA BYTES Command Sequence ........................................................................................ 25
Figure 15: READ DATA BYTES at HIGHER SPEED Command Sequence ........................................................... 26
Figure 16: PAGE PROGRAM Command Sequence ........................................................................................... 27
Table 11: Data Retention and Endurance ........................................................................................................ 36
Table 12: DC Current Specifications ............................................................................................................... 37
Table 13: DC Voltage Specifications ................................................................................................................ 37
Table 14: AC Measurement Conditions ........................................................................................................... 38
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