A29002 AMIC Technology, A29002 Datasheet - Page 21

• Manufacturer Part Number: A29002
• Description: 256K X 8 Bit CMOS 5.0 Volt-only/ Boot Sector Flash Memory
• Manufacturer: AMIC Technology

Timing Waveforms for Chip/Sector Erase Operation
(February, 2002, Version 1.0)
Addresses
Note : SA = Sector Address. VA = Valid Address for reading status data.
Data
VCC
WE
OE
CE
t
VCS
Erase Command Sequence (last two cycles)
2AAh
t
CS
t
t
WC
GHWL
t
WP
t
t
DS
CH
55h
555h for chip erase
t
WPH
t
AS
SA
t
DH
10h for chip erase
21
30h
t
AH
t
WHWH2
A29002/A290021 Series
VA
Progress
Read Status Data
AMIC Technology, Inc.
In
Complete
VA