MX29F040PC-70 查看數據表（PDF） - Macronix International
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MX29F040PC-70 Datasheet PDF : 40 Pages
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MX29F040
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
Sector data indicated by A16 to A18 are erased. External
erase verify is not required because data are erased
automatically by internal control circuit. Erasure comple-
tion can be verified by DATA polling and toggle bit
checking after automatic erase starts. Device outputs 0
during erasure and 1 after erasure on Q7.(Q6 is for toggle
bit; see toggle bit, DATA polling, timing waveform)
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
Vcc 5V
A16-A18
Sector
Address0
Sector
Address1
Sector
Addressn
A0~A10
WE
CE
OE
Q0,Q1,
Q4(Note 1)
Q7
555H
2AAH
555H
tAS
tAH
555H
2AAH
tCWC
tCEPH1
tCEP
tBAL
tAETB
tDS tDH
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
DATA polling
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command #AAH Command #55H Command #80H Command #AAH Command #55H Command #30H Command #30H
(Q0~Q7)
Command
In
Command #30H
Notes:
(1). Q6:Toggle bit, Q5:Timing-limit bit, Q3: Time-out bit, Q2: Toggle bit
P/N:PM0538
REV. 2.3, DEC. 10, 2004
21
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