參數(shù)資料
型號: W78M32V120BM
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: PROM
英文描述: 8M X 32 FLASH 3.3V PROM, 120 ns, PBGA159
封裝: 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159
文件頁數(shù): 43/54頁
文件大?。?/td> 789K
代理商: W78M32V120BM
48
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
W78M32V-XBX
April 2006
Rev. 3
White Electronic Designs Corp. reserves the right to change products or specications without notice.
FIG 19: DATA# POLLING TIMINGS (DURING EMBEDDED ALGORITHMS)
FIG 18: BACK TO BACK READ/WRITE CYCLE TIMINGS
OE#
CS#
WE#
Addresses
tOH
Data
Valid
In
Valid
In
Valid PA
Valid RA
tWC
tWPH
tAH
tWP
tDS
tDH
tAS
tRC
tCS
tAH
Valid
Out
tOE
tACC
tOEH
tGHWL
tDF
Valid
In
CS# Controlled Write Cycles
WE# Controlled Write Cycle
Valid PA
tCP
tCPH
tWC
Read Cycle
tSR/W
tAS
WE#
CS#
OE#
High Z
tOE
High Z
DQ7
DQ6–DQ0
RY/BY#
tBUSY
Complement
True
Addresses
VA
tOEH
tCS
tCH
tOH
tDF
VA
Status Data
Complement
Status Data
True
Valid Data
tACC
tRC
NOTE: VA = Valid address. Illustration shows rst status cycles after command sequence, last status read cycles, and array data read cycle.
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