CY7C1339F-100BGC データシートの表示（PDF） - Cypress Semiconductor
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CY7C1339F-100BGC Datasheet PDF : 17 Pages
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CY7C1339F
Truth Table[ 2, 3, 4, 5, 6, 7]
Operation
Add. Used
READ Cycle, Continue Burst Next
READ Cycle, Continue Burst Next
READ Cycle, Continue Burst Next
WRITE Cycle, Continue Burst Next
WRITE Cycle, Continue Burst Next
READ Cycle, Suspend Burst Current
READ Cycle, Suspend Burst Current
READ Cycle, Suspend Burst Current
READ Cycle, Suspend Burst Current
WRITE Cycle, Suspend Burst Current
WRITE Cycle, Suspend Burst Current
CE1 CE2 CE3 ZZ
X X XL
H X XL
H X XL
X X XL
H X XL
X X XL
X X XL
H X XL
H X XL
X X XL
H X XL
ADSP
H
X
X
H
X
H
H
X
X
H
X
ADSC
H
H
H
H
H
H
H
H
H
H
H
ADV
L
L
L
L
L
H
H
H
H
H
H
WRITE OE CLK
DQ
H H L-H three-state
H
L L-H
Q
H H L-H three-state
L
X L-H
D
L
X L-H
D
H
L L-H
Q
H H L-H three-state
H
L L-H
Q
H H L-H three-state
L
X L-H
D
L
X L-H
D
Partial Truth Table for Read/Write[2, 8]
Read
Function
GW
BWE
BWD
BWC
BWB
BWA
H
H
X
X
X
X
Read
H
L
H
H
H
H
Write Byte A – DQA
Write Byte B – DQB
Write Bytes B, A
H
L
H
H
H
L
H
L
H
H
L
H
H
L
H
H
L
L
Write Byte C– DQC
Write Bytes C, A
H
L
H
L
H
H
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– DQD
Write Bytes D, A
H
L
L
H
H
H
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
Notes:
8. Table only lists a partial listing of the byte write combinations. Any combination of BW[A:D] is valid. Appropriate write will be done based on which byte write is active.
Document #: 38-05217 Rev. *C
Page 7 of 17
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