參數資料
型號: EM39LV040-70FDC
廠商: ELAN Microelctronics Corp .
英文描述: 4M (512Kx8) Bits Flash Memory
中文描述: 4分(512Kx8)位快閃記憶體
文件頁數: 14/21頁
文件大?。?/td> 275K
代理商: EM39LV040-70FDC
EM39LV040
4M (512Kx8) Bits Flash Memory
SPECIFICATION
WE# Controlled Sector-Erase Timing Diagram
Six-Byte Code For Block-Erase
T
SE
T
WP
5555
2AAA
5555
5555
2AAA
SA
X
AA
SW0
55
80
SW2
AA
SW3
55
SW4
50
SW5
SW1
CE#
OE#
WE#
DQ7-0
Note:
This device also supports CE# controlled Sector-Erase operation. The WE#and CE#
signals are interchageable as long as minimum timings are met. (See Table 10)
SA
X
=Sector
Address
X can be V
IL
or V
IH
, but no other value.
A18~A0
Figure 7:
WE# Controlled Sector-Erase Timing Diagram
Software ID Entry/Exit and Read
Software ID Entry and Read
5555
2AAA
5555
AA
SW0
55
90
Three-Byte Sequence For
Software ID Entry
T
WP
T
WPH
T
IDA
T
AA
SW1
SW2
Address A14-0
CE#
OE#
WE#
DQ7-0
29h
0000H 0003H 0040H0001H
7F
7F
1F
Figure 8:
Software ID Entry and Read
This specification is subject to change without further notice. (07.22.2004 V1.0)
Page 14 of 21
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