AM29F400BB-90SE Spansion Inc., AM29F400BB-90SE Datasheet - Page 34

• Manufacturer Part Number: AM29F400BB-90SE
• Description: Flash Mem Parallel 5V 4M-Bit 512K x 8/256K x 16 90ns 44-Pin SO
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-90SE

• Package: 44SO
• Cell Type: NOR
• Density: 4 Mb
• Architecture: Sectored
• Block Organization: Asymmetrical
• Location Of Boot Block: Bottom
• Typical Operating Supply Voltage: 5 V
• Sector Size: 8KByte x 2|16KByte x 1|32KByte x 1|64KByte x 7
• Timing Type: Asynchronous
• Operating Temperature: -55 to 125 °C
• Interface Type: Parallel

AC CHARACTERISTICS
Note:
VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data read cycle.
Note:
VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status read cycle,
and array data read cycle.
32
Addresses
Addresses
DQ0–DQ6
DQ6/DQ2
RY/BY#
RY/BY#
WE#
DQ7
WE#
OE#
OE#
CE#
CE#
t
t
t
t
BUSY
BUSY
CH
CH
t
t
OEH
OEH
Figure 15. Data# Polling Timings (During Embedded Algorithms)
Figure 16. Toggle Bit Timings (During Embedded Algorithms)
High Z
t
t
ACC
ACC
t
t
CE
CE
t
VA
t
t
VA
t
RC
OE
RC
OE
Complement
Status Data
Valid Status
(first read)
t
t
OH
OH
D A T A
t
DF
t
DF
Am29F400B
S H E E T
(second read)
Valid Status
VA
VA
Complement
Status Data
True
True
(stops toggling)
Valid Status
VA
21505E8 November 11, 2009
VA
Valid Data
Valid Data
Valid Data
VA
High Z
High Z