A29040B-90U AMICC [AMIC Technology], A29040B-90U Datasheet - Page 20

• Manufacturer Part Number: A29040B-90U
• Description: 512K X 8 Bit CMOS 5.0 Volt-only, Uniform Sector Flash Memory
• Manufacturer: AMICC [AMIC Technology]

Timing Waveforms for Data Polling (During Embedded Algorithms)
Timing Waveforms for Toggle Bit (During Embedded Algorithms)
Note: VA = Valid Address; not required for I/O
PRELIMINARY
Note : VA = Valid Address. Illustation shows first status cycle after command sequence, last status read cycle, and array data
Addresses
Addresses
I/O
I/O
read cycle, and array data read cycle.
0
6
- I/O
read cycle.
, I/O
I/O
WE
WE
OE
CE
CE
OE
7
6
2
t
t
CH
CH
(December, 2004, Version 0.2)
t
t
OEH
OEH
t
ACC
t
ACC
t
CE
t
CE
VA
VA
t
RC
t
RC
Complement
Status Data
t
(first read)
Valid Status
OE
t
OE
t
OH
t
OH
6
t
. Illustration shows first two status cycle after command sequence, last status
DF
t
DF
(second read)
Valid Status
19
VA
VA
Complement
Status Data
True
True
Valid Status
(stop togging)
VA
AMIC Technology, Corp.
VA
Valid Data
Valid Data
A29040B Series
Valid Status
VA
High-Z
High-Z