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W78M32V-XBX Datasheet, PDF (1/54 Pages) White Electronic Designs Corporation – 8Mx32 Flash 3.3V Page Mode Simultaneous Read/Write Operation Multi-Chip Package | |||
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White Electronic Designs
W78M32V-XBX
8Mx32 Flash 3.3V Page Mode Simultaneous Read/Write
Operation Multi-Chip Package
FEATURES
Access Times of 70, 90, 100, 120ns
Packaging
⢠159 PBGA, 13x22mm â 1.27mm pitch
1,000,000 Erase/Program Cycles per sector
Page Mode
⢠Page size is 8 words: Fast page read access from
random locations within the page.
Sector Architecture
⢠Bank A (16Mb): 4Kw x 8 and 32 Kw x 31
⢠Bank B (48Mb): 32Kw x 96
⢠Bank C (48Mb): 32Kw x 96
⢠Bank D (16Mb): 4Kw x 8 and 3Kw x 31
Both top and bottom boot blocks
Zero Power Operation
Organized as 8Mx32, user conï¬gurable as 2x8Mx16
Commercial, Industrial and Military Temperature
Ranges
3.3 Volt for read, erase and write operations
Simultaneous read/write operations:
⢠Data can be continuously read from one bank
while executing erase/program functions in
another bank
⢠Zero latency between read and write operations
Erase Suspend/Resume
⢠Suspends erase operations to allow read or
programming in other sectors of same bank
Data Polling and Toggle Bits
⢠Provides a software method of detecting the status
of program or erase cycles
Unlock Bypass Program command
⢠Reduces overall programming time when issuing
multiple program command sequences
Ready/Busy# output (RY/BY#)
⢠Hardware method for detecting program or erase
cycle completion
Hardware reset pin (RESET#)
⢠Hardware method of resetting the internal state
machine to the read mode
WP#/ACC input pin
⢠Write protect (WP#) function allows protection of
two outermost boot sector, regardless of sector
protect status
⢠Acceleration (ACC) function accelerates program
timing
Persistent Sector Protection
⢠A command sector protection method of locking
combinations of individual sectors and sector
groups to prevent program or erase operation
within that sector
Password Sector Protection or Cancellation
⢠A sector protection method to lock combinations
of individual sectors and sector groups to prevent
program or erase operations within that sector
using a user-deï¬ned 64-bit password.
* This product is subject to change without notice.
White Electronic Designs Corp. reserves the right to change products or speciï¬cations without notice.
April 2006
Rev. 3
1
White Electronic Designs Corporation ⢠(602) 437-1520 ⢠www.wedc.com
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