AM29F400BB-90SF Spansion Inc., AM29F400BB-90SF Datasheet - Page 30

• Manufacturer Part Number: AM29F400BB-90SF
• Description: IC, FLASH, 4MBIT, 90NS, SOIC-44
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-90SF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Access Time: 90ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 44
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS
Word/Byte Configuration (BYTE#)
28
Note:
Refer to the Erase/Program Operations table for t
JEDEC
Parameter
from word
Switching
Switching
from byte
to word
BYTE#
BYTE#
to byte
t
t
t
mode
mode
ELFL/
FLQZ
FHQV
Std
t
ELFH
DQ0–DQ14
DQ0–DQ14
Description
CE# to BYTE# Switching Low or High
BYTE# Switching Low to Output HIGH Z
BYTE# Switching High to Output Active
DQ15/A-1
DQ15/A-1
BYTE#
BYTE#
BYTE#
WE#
CE#
OE#
CE#
Figure 11. BYTE# Timings for Read Operations
Figure 12. BYTE# Timings for Write Operations
D A T A
AS
(t
t
and t
SET
t
AS
ELFL
t
ELFH
Am29F400B
)
AH
specifications.
S H E E T
The falling edge of the last WE# signal
Data Output
(DQ0–DQ7)
Address
t
t
FHQV
FLQZ
Input
Output
DQ15
t
HOLD
(DQ0–DQ14)
Data Output
Max
Max
Min
(t
AH
)
-45
Output
15
45
DQ15
(DQ0–DQ14)
Data Output
-50
Address
15
50
Data Output
(DQ0–DQ7)
Speed Options
Input
21505E8 November 11, 2009
-55
15
55
5
-70
20
70
-90
20
90
Unit
ns
ns
ns