MX29LV004B Macronix, MX29LV004B Datasheet - Page 31

• Manufacturer Part Number: MX29LV004B
• Description: 4M-Bit CMOS Single Voltage 3V Only Flash Memory
• Manufacturer: Macronix

AUTOMATIC SECTOR ERASE TIMING WAVEFORM
Sector indicated by A12 to A17 are erased. External
erase verify is not required because data are verified
automatically by internal control circuit. Erasure comple-
tion can be verified by Data# Polling and toggle bit check-
Figure 10. AUTOMATIC SECTOR ERASE TIMING WAVEFORM
P/N:PM0732
Address
RY/BY#
WE#
Data
VCC
OE#
CE#
NOTES:
SA=sector address(for Sector Erase), VA=Valid Address for reading status data(see "Write Operation Status").
tVCS
tCS
tGHWL
Erase Command Sequence(last two cycle)
tWC
2AAh
tWP
tDS tDH
55h
tCH
tWPH
Address 0
tAS
Sector
30h
tAH
tBUSY
tBAL
Address 1
Sector
31
30h
ing after automatic erase starts. Device outputs 0 dur-
ing erasure and 1 after erasure on Q7.(Q6 is for toggle
bit; see toggle bit, Data# Polling, timing waveform)
Address n
Sector
MX29LV004T/B
30h
Read Status Data
tWHWH2
VA
Progress Complete
In
REV. 1.7, DEC. 20, 2004
VA
tRB