HY29F800
AC CHARACTERISTICS
Word/Byte Configuration (BYTE#)
Parameter
Speed Option
Description
Unit
JEDEC
Std
- 55 - 70 - 90 - 12
tELFL CE# to BYTE# Switching Low
Max
Max
5
5
ns
ns
ns
ns
tELFH CE# to BYTE# Switching High
tFLQZ BYTE# Switching Low to Output High-Z
tFHQV BYTE# Switching High to Output Active
Max 20
Min 55
20
70
20
90
30
120
CE#
OE#
BYTE#
BYTE#
switching
from word to
byte mode
tELFL
Data Output DQ[14:0]
Data Output DQ[7:0]
Address Input A-1
DQ[14:0]
Output DQ[15]
DQ[15]/A-1
tFLQZ
BYTE#
BYTE#
switching
Data Output DQ[7:0]
Data Output DQ[14:0]
Data Output DQ[15]
DQ[14:0]
from byte to
word mode
Address Input A-1
DQ[15]/A-1
tELFH
tFHQV
Figure 15. BYTE# Timings for Read Operations
CE#
Falling edge of the last WE# signal
WE#
tSET (tAS
)
BYTE#
tHOLD (tAH
)
Note: Refer to the Program/Erase Operations table for tAS and tAH specifications.
Figure 16. BYTE# Timings for Write Operations
Rev. 4.0/Jan. 00
26
ETC [ ETC ]
