A29L040A-70 AMICC [AMIC Technology], A29L040A-70 Datasheet - Page 19

• Manufacturer Part Number: A29L040A-70
• Description: 512K X 8 Bit CMOS 3.0 Volt-only, Uniform Sector Flash Memory
• Manufacturer: AMICC [AMIC Technology]

Timing Waveforms for Program Operation
Timing Waveforms for Chip/Sector Erase Operation
PRELIMINARY (March, 2005, Version 0.0)
Addresses
Addresses
Note : PA = program addrss, PD = program data, Dout is the true data at the program address.
Data
VCC
Data
VCC
WE
WE
OE
OE
CE
CE
t
t
VCS
VCS
Note : SA = Sector Address. VA = Valid Address for reading status data.
Program Command Sequence (last two cycles)
Erase Command Sequence (last two cycles)
2AAh
t
555h
CS
t
CS
t
t
t
WC
GHWL
t
WC
GHWL
t
t
WP
t
t
DS
t
CH
WP
t
DS
55h
CH
A0h
555h for chip erase
t
t
t
WPH
WPH
AS
t
AS
SA
t
DH
PA
t
DH
10h for chip erase
18
t
PD
AH
30h
t
AH
t
WHWH1
t
Read Status Data (last two cycles)
WHWH2
PA
VA
AMIC Technology, Corp.
Progress
Read Status Data
Status
In
A29L040A Series
Complete
VA
PA
D
OUT