CY7C1484V33-167 Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1484V33-167 Datasheet PDF : 29 Pages
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PRELIMINARY
CY7C1484V33
CY7C1485V33
Cycle Descriptions (continued)[1, 2, 3, 4]
Next Cycle Add. Used ZZ
Continue Write Next
0
Continue Write Next
0
Suspend Write Current
0
Suspend Write Current
0
ZZ “sleep”
None
1
CE3 CE2
X
X
X
X
X
X
X
X
X
X
Write Cycle Descriptions[1, 2]
Function (CY7C1484V33)
GW
Read
1
Read
1
Write Byte 0 – DQa
1
Write Byte 1 – DQb
1
Write Bytes 1, 0
1
Write Byte 2 – DQc
1
Write Bytes 2, 0
1
Write Bytes 2, 1
1
Write Bytes 2, 1, 0
1
Write Byte 3 – DQd
1
Write Bytes 3, 0
1
Write Bytes 3, 1
1
Write Bytes 3, 1, 0
1
Write Bytes 3, 2
1
Write Bytes 3, 2, 0
1
Write Bytes 3, 2, 1
1
Write All Bytes
1
Write All Bytes
0
CE1 ADSP ADSC ADV
X
1
1
0
1
X
1
0
X
1
1
1
1
X
1
1
X
X
X
X
BWE
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
BWd
X
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
X
BWc
X
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
X
OE DQ Write
X
Hi-Z Write
X
Hi-Z Write
X
Hi-Z Write
X
Hi-Z Write
X
Hi-Z
X
BWb
X
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
X
BWa
X
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
X
Function (CY7C1485V33)
Read
Read
Write Byte 0–DQ[7:0] and DP0
Write Byte 1–DQ[15:8] and DP1
Write All Bytes
Write All Bytes
GW
BWE
BWb
BWa
1
1
X
X
1
0
1
1
1
0
1
0
1
0
0
1
1
0
0
0
0
X
X
X
Document #: 38-05285 Rev. *A
Page 9 of 29
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