MX29F080
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
BlockdataindicatedbyA16toA19 areerased. External
erase verify is not required because data are erased
automaticallybyinternalcontrolcircuit. Erasurecomple-
tion can be verified by DATA polling and toggle bit
checking after automatic erase starts. Device outputs 0
duringerasureand1aftererasureonQ7.(Q6isfortoggle
bit; see toggle bit, DATA polling, timing waveform)
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
Vcc 5V
Sector
Addressn
Sector
Address0
Sector
Address1
A16-A19
555H
555H
555H
tAS
2AAH
2AAH
A0~A10
tCWC
tAH
WE
CE
tCEPH1
tBAL
tAETB
tCEP
tDS
OE
tDH
Command
In
Command
In
Q0,Q1,
Command
In
Command
Command
In
Command
In
Command
Command
In
In
In
Q4(Note 1)
DATA polling
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Q7
Command #AAH Command #55H Command #80H Command #AAH Command #55H Command #30H
(Q0~Q7)
Command #30H
Command #30H
Notes:
(1). Q6:Toggle bit, Q5:Timing-limit bit, Q3: Time-out bit, Q2: Toggle bit
P/N:PM0579
REV. 1.6, NOV. 21, 2002
22
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