CY7C1344F View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
MFG CO.
'CY7C1344F' PDF : 15 Pages View PDF
CY7C1344F
Truth Table[2, 3, 4, 5, 6]
Cycle Description
Write Cycle, Begin Burst
Read Cycle, Begin Burst
Read Cycle, Begin Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Write Cycle, Continue Burst
Write Cycle, Continue Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Write Cycle, Suspend Burst
Write Cycle, Suspend Burst
Address
Used
External
External
External
Next
Next
Next
Next
Next
Next
Current
Current
Current
Current
Current
Current
CE1 CE3 CE2 ZZ ADSP ADSC ADV WRITE OE CLK
DQ
L L HL
H
L
X
L
X L-H D
L L HL
H
L
X
H
L L-H Q
L L HL
H
L
X
H H L-H Three-State
XX XL
H
H
L
H
L L-H Q
XX XL
H
H
L
H H L-H Three-State
HX XL
X
H
L
H
L L-H Q
HX XL
X
H
L
H H L-H Three-State
XX XL
H
H
L
L
X L-H D
HX XL
X
H
L
L
X L-H D
XX XL
H
H
H
H
L L-H Q
XX XL
H
H
H
H H L-H Three-State
HX XL
X
H
H
H
L L-H Q
HX XL
X
H
H
H H L-H Three-State
XX XL
H
H
H
L
X L-H D
HX XL
X
H
H
L
X L-H D
Truth Table for Read/Write[2, 3]
Function
Read
Read
Write Byte (A, DQPA)
Write Byte (B, DQPB)
Write Bytes (B, A, DQPA, DQPB)
Write Byte (C, DQPC)
Write Bytes (C, A, DQPC, DQPA)
Write Bytes (C, B, DQPC, DQPB)
Write Bytes (C, B, A, DQPC, DQPB, DQPA)
Write Byte (D, DQPD)
Write Bytes (D, A, DQPD, DQPA)
Write Bytes (D, B, DQPD, DQPA)
Write Bytes (D, B, A, DQPD, DQPB, DQPA)
Write Bytes (D, B, DQPD, DQPB)
Write Bytes (D, B, A, DQPD, DQPC, DQPA)
Write Bytes (D, C, A, DQPD, DQPB, DQPA)
Write All Bytes
Write All Bytes
GW
BWE
BWD
BWC
BWB
BWA
H
H
X
X
X
X
H
L
H
H
H
H
H
L
H
H
H
L
H
L
H
H
L
H
H
L
H
H
L
L
H
L
H
L
H
H
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
L
H
L
L
H
H
H
H
L
L
H
H
L
H
L
L
H
L
H
H
L
L
H
L
L
H
L
L
L
H
H
H
L
L
L
H
L
H
L
L
L
L
H
H
L
L
L
L
L
L
X
X
X
X
X
Document #: 38-05432 Rev. *A
Page 6 of 15
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