gs8662d08e GSI Technology, gs8662d08e Datasheet - Page 16

• Manufacturer Part Number: gs8662d08e
• Description: 72mb Sigmaquad-ii Burst Of 4 Sram
• Manufacturer: GSI Technology

Nybble Write Clock Truth Table
x8 Nybble Write Enable (NWn) Truth Table
Rev: 1.08 12/2007
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
NW0 NW1
Notes:
1.
2.
(t
NW
K ↑
1
0
1
0
n+1
T
T
F
F
F
F
“1” = input “high”; “0” = input “low”; “X” = input “don’t care”; “T” = input “true”; “F” = input “false”.
If one or more NWn = 0, then NW = “T”, else NW = “F”.
)
1
1
0
0
(t
NW
K ↑
n+1½
T
F
T
F
F
F
)
Don’t Care
Don’t Care
D0–D3
Data In
Data In
(t
NW
K ↑
n+2
T
F
F
T
F
F
)
(t
NW
K ↑
n+2½
T
F
F
F
T
F
)
Don’t Care
Don’t Care
D4–D7
Data In
Data In
Dx stored if NWn = 0 in 2nd data transfer only
Dx stored if NWn = 0 in all four data transfers
Dx stored if NWn = 0 in 3rd data transfer only
Dx stored if NWn = 0 in 4th data transfer only
Dx stored if NWn = 0 in 1st data transfer only
No Dx stored in any of the four data transfers
Current Operation
16/37
Write Abort
Write
Write
Write
Write
Write
K ↑
(t
n
)
GS8662D08/09/18/36E-333/300/250/200/167
(t
K ↑
D0
D0
n+1
D
X
X
X
X
)
(t
K ↑
n+1½
D2
D1
D
X
X
X
X
)
© 2005, GSI Technology
(t
K ↑
D3
D2
D
n+2
X
X
X
X
)
(t
K ↑
n+2½
D4
D3
D
X
X
X
X
)