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CY7C1347G
Document #: 38-05516 Rev. *F Page 8 of 22
Write Cycle, Continue Burst Next X X X L H H L L X L-H D
Write Cycle, Continue Burst Next H X X L X H L L X L-H D
Read Cycle, Suspend Burst Current X X X L H H H H L L-H Q
Read Cycle, Suspend Burst Current X X X L H H H H H L-H Tri-State
Read Cycle, Suspend Burst Current H X X L X H H H L L-H Q
Read Cycle, Suspend Burst Current H X X L X H H H H L-H Tri-State
Write Cycle, Suspend Burst Current X X X L H H H L X L-H D
Write Cycle, Suspend Burst Current H X X L X H H L X L-H D
Table 5. Truth Table
[2, 3, 4, 5, 6]
(continued)
Next Cycle
Add.
Used
CE
1
CE
2
CE
3
ZZ ADSP ADSC ADV WRITE OE CLK DQ
Table 6. Partial Truth Table for Read/Write
[2, 7]
Function GW BWE BW
D
BW
C
BW
B
BW
A
Read H H X X X X
Read H L H H H H
Write Byte A – DQ
A
HLH HHL
Write Byte B – DQ
B
HLH HLH
Write Bytes B, A H L H H L L
Write Byte C– DQ
C
HLH LHH
Write Bytes C, A H L H L H L
Write Bytes C, B H L H L L H
Write Bytes C, B, A H L H L L L
Write Byte D– DQ
D
HLL HHH
Write Bytes D, A H L L H H L
Write Bytes D, B H L L H L H
Write Bytes D, B, A H L L H L L
Write Bytes D, C H L L L H H
Write Bytes D, C, A H L L L H L
Write Bytes D, C, B H L L L L H
Write All Bytes H L L L L L
Write All Bytes L X X X X X
Note
7. This table is only a partial listing of the byte write combinations. Any combination of BW
x
is valid. Appropriate write is based on which byte write is active.
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