P R E L I M I N A R Y
AC CHARACTERISTICS
Word/Byte Configuration (BYTE#)
Parameter
JEDEC
Std.
Description
-90R
-100
-120
-150
Unit
ns
t
t
t
t
CE# to BYTE# Switching Low or High
BYTE# Switching Low to Output HIGH Z
BYTE# Switching High to Output Active
Max
Max
Min
5
ELFL/ ELFH
30
90
30
30
40
ns
FLQZ
FHQV
100
120
150
ns
CE#
OE#
BYTE#
t
ELFL
Data Output
(DQ0–DQ14)
Data Output
(DQ0–DQ7)
BYTE#
DQ0–DQ14
DQ15/A-1
Switching
from word
to byte
Address
Input
DQ15
Output
mode
t
FLQZ
t
ELFH
BYTE#
BYTE#
Switching
from byte
to word
Data Output
(DQ0–DQ7)
Data Output
(DQ0–DQ14)
DQ0–DQ14
DQ15/A-1
mode
Address
Input
DQ15
Output
t
FHQV
20514C-18
Figure 14. BYTE# Timings for Read Operations
CE#
The falling edge of the last WE# signal
WE#
BYTE#
t
SET
(t
)
AS
t
(t
)
HOLD AH
Note: Refer to the Erase/Program Operations table for t and t specifications.
AS
AH
20514C-19
Figure 15. BYTE# Timings for Write Operations
Am29LV400
28
CYPRESS [ CYPRESS ]
