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GD9FS1G8F2ALG 데이터시트(PDF) 14 Page - GigaDevice Semiconductor (Beijing) Inc.

부품명 GD9FS1G8F2ALG
상세설명  Single level cell technology
PDF  55 Pages
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제조업체  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
홈페이지  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD9FS1G8F2ALG 데이터시트(HTML) 14 Page - GigaDevice Semiconductor (Beijing) Inc.

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14
7. BUS OPERATION
There are six standard bus operations that control the device. These are Command Input, Address Input, Data Input, Data
Output, Write Protect, and Standby. Typically glitches less than 5ns on Chip Enable, Write Enable and Read Enable are
ignored by the memory and do not affect bus operations.
CLE
ALE
CE#
WE#
RE#
WP#
MODE
H
L
L
Rising
H
X
Command input for read mode
L
H
L
Rising
H
X
Address input (4 cycles) for read mode
H
L
L
Rising
H
H
Command input for write mode
L
H
L
Rising
H
H
Address input (4 cycles) for write cycle
L
L
L
Rising
H
H
Data input
L
L
L
H
Falling
X
Sequential read and data output
L
L
L
H
H
X
During read(busy)
X
X
X
X
X
H
During program/Erase(busy)
X
X
X
X
X
L
Write protect
X
X
H
X
X
0V / VCC
Standby
Notes:
1. X can be VIL or VIH. H = Logic level HIGH. L = Logic level LOW.
2. WP# should be biased to CMOS high or CMOS low for stand-by mode.
3. WE# and RE# during Read Busy must be keep on high to prevent unplanned command/address/data input or to avert
unintended data out. In this time, only Reset and Read Status can be input to the device.



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