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參數(shù)資料
型號: W28F641B
廠商: WINBOND ELECTRONICS CORP
英文描述: 64MBIT (4MBIT 】 16) PAGE MODE DUAL WORK FLASH MEMORY
中文描述: 64兆比特(的4Mb】16)頁模式的雙工作閃存
文件頁數(shù): 24/31頁
文件大小: 389K
代理商: W28F641B
W28F641B/T
A21-0(A)
VIH
VIL
t
AVAV
#WE(W)
VIH
VIL
DQ15-0(D/Q)
VIH
D
IN
Valid
SRD
VIL
("0")
#WP(S)
IH
IL
V
V
SR.7(R)
("1")
#RESET(P)
IH
IL
V
V
PPH1,2
V
V
PPLK
V
IL
(V)
VPP
Note 1
Note 2
Note 3
Note 4
Note 5
#CE(E)
VIH
VIL
#OE(G)
VIH
VIL
Note 5,6
D
IN
Note 5,6
VVWH
t
(t )
QVVL
t
SHWH
t
(t )
QVSL
t
WHR0
t
(t )
(t )
EHQV1,2,3
WHQV1,2,3
t
(t )
DVWH
t
(t )
WHDX
t
(t )
WLWH
t
(t )
PHWL
t
(t )
WHWL
t
(t )
ELWL
t
(t )
EHWH
WHEH
t
(t )
WHGL
t
(t )
WHAX
t
(t )
AVWH
t
Valid Address
Valid Address
Valid Address
Figure 9. AC Waveform for Write Operations
Notes:
1. V
DD
power-up and standby.
2. Write each first cycle command.
3. Write each second cycle command or valid address and data.
4. Automated erase or program delay.
5. Read status register data.
6. For read operation, #OE and #CE must be driven active, and #WE de-asserted.
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