參數(shù)資料
型號(hào)： W78M32V90BM
英文描述： 8Mx32 Flash 3.3V Page Mode Simultaneous Read/Write Operation Multi-Chip Package
中文描述： 8Mx32閃光3.3V的頁(yè)面模式同步讀/寫操作多芯片封裝
文件頁(yè)數(shù)： 1/54頁(yè)
文件大?。?/td> 756K
代理商： W78M32V90BM
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
W78M32V-XBX
April 2006
Rev. 3
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
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 – 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 configurable 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-defined 64-bit password.
* This product is subject to change without notice.
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