AM29F400BB-90SE Spansion Inc., AM29F400BB-90SE Datasheet - Page 32

• 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
30
Notes:
1. PA = program address, PD = program data, D
2. Illustration shows device in word mode.
Addresses
RY/BY#
WE#
Data
OE#
CE#
V
CC
t
VCS
Program Command Sequence (last two cycles)
555h
t
CS
t
WC
Figure 13. Program Operation Timings
t
t
WP
DS
A0h
t
DH
t
CH
D A T A
OUT
t
WPH
t
AS
is the true data at the program address.
PA
Am29F400B
t
S H E E T
AH
PD
t
BUSY
t
WHWH1
Read Status Data (last two cycles)
PA
Status
21505E8 November 11, 2009
D
OUT
PA
t
RB