am49dl640bg Meet Spansion Inc., am49dl640bg Datasheet - Page 43

• Manufacturer Part Number: am49dl640bg
• Description: 64 Mbit 8 M ? 8-bit/4 M ? 16-bit Cmos And 32 Mbit 512k ? 16-bit Pseudo Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

FLASH AC CHARACTERISTICS
Word/Byte Configuration (CIOf)
42
Note: Refer to the Erase/Program Operations table for t
JEDEC
Parameter
from word
Switching
Switching
from byte
to word
to byte
mode
mode
t
t
t
CIOf
ELFL/
FLQZ
FHQV
CIOf
Std
t
ELFH
DQ0–DQ14
DQ0–DQ14
DQ15/A-1
DQ15/A-1
Description
CE#f to CIOf Switching Low or High
CIOf Switching Low to Output HIGH Z
CIOf Switching High to Output Active
WE#
CE#f
OE#
CE#f
CIOf
CIOf
CIOf
Figure 16. CIOf Timings for Read Operations
Figure 17. CIOf Timings for Write Operations
P R E L I M I N A R Y
(t
t
SET
t
AS
ELFL
Am49DL640BG
t
ELFH
)
AS
and t
AH
The falling edge of the last WE# signal
Data Output
(DQ7–DQ0)
specifications.
Address
t
t
Input
FHQV
FLQZ
Output
DQ15
t
HOLD
(DQ14–DQ0)
Data Output
(t
AH
)
Max
Max
Min
Output
DQ15
(DQ14–DQ0)
Data Output
Address
Data Output
(DQ7–DQ0)
Input
70
70
Speed
30
5
85
85
March 8, 2002
Unit
ns
ns
ns