參數(shù)資料
型號: W78M32V70BC
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: PROM
英文描述: 8M X 32 FLASH 3.3V PROM, 70 ns, PBGA159
封裝: 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159
文件頁數(shù): 46/54頁
文件大?。?/td> 789K
代理商: W78M32V70BC
50
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.
NOTES:
For sector protect, A6 = 0, A1 = 1, A0 = 0. For sector unprotect, A6 = 1, A1 = 1, A0 = 0.
FIG 22: SECTOR/SECTOR BLOCK PROTECT AND UNPROTECT TIMING DIAGRAM
Sector Group Protect: 150 s
Sector Group Unprotect: 15 ms
1s
RESET#
SA, A6 ,
A1, A 0
Data
CS#
WE#
OE#
60h
40h
Valid *
Status
Sector Group Protect/Unprotec t
Verify
VID
VIH
AC CHARACTERISTICS - ALTERNATE CS# CONTROLLED ERASE AND PROGRAM OPERATIONS
Parameter
Description
Speed Options
Unit
JEDEC
Std
70
90
100
120
tVAVAV
tWS
Write Cycle Time (1)
Min
70
90
100
120
ns
tAVWL
tAS
Address Setup Time
Min
0
ns
tELAX
tAH
Address Hold Time
Min
45
50
ns
tDVEH
tDS
Data Setup Time
Min
45
50
ns
tEHDX
tDH
Data Hold Time
Min
0
ns
tGHEL
Read Recovery Time Before Write (OE# High
to WE# Low)
Min
0
ns
tWLEL
tWS
WE# Setup Time
Min
0
ns
tEHWH
tWH
WE# Hold Time
Min
0
ns
tELEH
tCP
CS# Pulse Width
Min
35
45
50
ns
tEHEL
tCPH
CS# Pulse Width High
Min
30
ns
tWHWH1
Programming Operation
Typ
6
μs
tWHWH1
Accelerated Programming Operation
Typ
4
μs
tWHWH2
Sector Erase Operation
Typ
0.5
sec
NOTE:
1.
Not tested.
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