
November 2, 2006 21504E5
Am29F800B
29
D AT A S H E E T
AC CHARACTERISTICS
Word/Byte Configuration (BYTE#)
Parameter
Speed Options
JEDEC
Std
Description
-55
-70
-90
-120
Unit
t
ELFL/
t
ELFH
CE# to BYTE# Switching Low or High
Max
5
ns
t
FLQZ
BYTE# Switching Low to Output HIGH Z
Max
20
20
20
30
ns
t
FHQV
BYTE# Switching High to Output Active
Min
55
70
90
120
ns
DQ15
Output
Data Output
(DQ0–DQ7)
CE#
OE#
BYTE#
t
ELFL
DQ0–DQ14
Data Output
(DQ0–DQ14)
DQ15/A-1
Address
Input
t
FLQZ
BYTE#
Switching
from word
to byte
mode
DQ15
Output
Data Output
(DQ0–DQ7)
BYTE#
t
ELFH
DQ0–DQ14
Data Output
(DQ0–DQ14)
DQ15/A-1
Address
Input
t
FHQV
BYTE#
Switching
from byte
to word
mode
Figure 11. BYTE# Timings for Read Operations
Note:
Refer to the Erase/Program Operations table for t
AS
and t
AH
specifications.
Figure 12. BYTE# Timings for Write Operations
CE#
WE#
BYTE#
The falling edge of the last WE# signal
t
HOLD
(t
AH
)
t
SET
(t
AS
)