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MB84VD22386EJ Datasheet(PDF) 3 Page - SPANSION |
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MB84VD22386EJ Datasheet(HTML) 3 Page - SPANSION |
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3 / 63 page  MB84VD22386/387/388EJ-85/90/MB84VD22396/397/398EJ-85/90 2 (Continued) 1. FLASH MEMORY • Simultaneous Read/Write Operations (Dual Bank) Multiple devices available with different bank sizes Host system can program or erase in one bank, then immediately and simultaneously read from the other bank Zero latency between read and write operations Read-while-erase Read-while-program • Minimum 100,000 Write/Erase Cycles • Sector Erase Architecture Eight 4 K words and sixty three 32 K words. Any combination of sectors can be concurrently erased. The devices also support full chip erase. • Boot Code Sector Architecture MB84VD22386EJ/VD22387EJ/VD22388EJ: Top sector MB84VD22396EJ/VD22397EJ/VD22398EJ: Bottom sector • Embedded EraseTM Algorithms Automatically pre-programs and erases the chip or any sector • Embedded ProgramTM Algorithms Automatically writes and verifies data at specified address •Data Polling and Toggle Bit Feature for Detection of Program or Erase Cycle Completion • Ready-Busy Output (RY/BY) Hardware method for detection of program or erase cycle completion • Automatic Sleep Mode When addresses remain stable, automatically switch themselves to low power mode. • Hidden ROM (Hi-ROM) Region 64 Kbyte of Hi-ROM, accessible through a new “Hi-ROM Enable” command sequence Factory serialized and protected to provide a secure electronic serial number (ESN) •WP/ACC Input Pin Allows protection of boot sectors at VIL, regardless of sector protection/unprotection status (MB84VD22386EJ/VD22387EJ/VD22388EJ: SA69,SA70 MB84VD22396EJ/VD22397EJ/VD22398EJ: SA0,SA1) Allows removal of boot sector protection at VIH. At VACC, program time will reduce by 40%. • Erase Suspend/Resume Suspends the erase operation to allow a read in another sector within the same device • Please Refer to “MBM29DL32XTE/BE” Data Sheet in Detailed Function 2. FCRAM • Power Dissipation Operating: 20 mA Max Standby: 70 µA Max Power Down: 10 µA Max • Power Down Control by CE2s • Byte Write Control: LBs (DQ7-DQ0), UBs (DQ15-DQ5) • 4 Words Address Access Capability |
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