MX29F022 Macronix, MX29F022 Datasheet - Page 29

• Manufacturer Part Number: MX29F022
• Description: 2M-BIT[256K x 8]CMOS FLASH MEMORY
• Manufacturer: Macronix

AUTOMATIC SECTOR ERASE TIMING WAVEFORM
Sector data indicated by A13 to A17 are erased. Exter-
nal erase verification is not required because data are
erased automatically by internal control circuit. Erasure
completion can be verified by DATA polling and toggle bit
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
P/N:PM0556
Q4(Note 1)
A13~A17
A0~A10
Q0,Q1,
Vcc 5V
WE
CE
OE
Q7
Notes:
(1). Q6:Toggle bit, Q5:Timing-limit bit, Q3: Time-out bit, Q2: Toggle bit
tAS
555H
tAH
tCEP
Command #AAH
tDS
Command
Command
(Q0~Q7)
In
In
tDH
2AAH
Command #55H
Command
Command
In
In
555H
Command #80H
Command
Command
In
In
555H
Command #AAH
Command
Command
In
In
29
2AAH
Command #55H
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)
Command
Command
tCWC
In
In
Address0
tCEPH1
Sector
MX29F022/022N
Command #30H
Command
Command
In
In
Address1
Sector
Command #30H
Command
Command
In
In
Addressn
Command #30H
Sector
Command
Command
In
In
tBAL
REV. 1.1, JUN. 14, 2001
DATA polling
tAETB