27LV002CB-70 MCNIX [Macronix International], 27LV002CB-70 Datasheet - Page 30

• Manufacturer Part Number: 27LV002CB-70
• Description: 2M-BIT [256K x 8] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
• Manufacturer: MCNIX [Macronix International]

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:PM1204
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
MX29LV002C/002NC T/B
Address 0
tAS
Sector
30h
tAH
tBUSY
tBAL
Address 1
Sector
30
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
30h
Read Status Data
tWHWH2
VA
Progress Complete
In
REV. 1.0, JUN. 30, 2005
VA
tRB