Cypress Semiconductor CY7C1339G Şartname Sayfası - Sayfa 7
Bilgisayar Donanımı Cypress Semiconductor CY7C1339G için çevrimiçi göz atın veya pdf Şartname Sayfası indirin. Cypress Semiconductor CY7C1339G 18 sayfaları. Cypress 4-mbit (128k x 32) pipelined sync sram specification sheet
Sayfayı Yazdır
Partial Truth Table for Read/Write
Function
Read
Read
Write Byte A – DQ
A
Write Byte B – DQ
B
Write Bytes B, A
Write Byte C– DQ
C
Write Bytes C, A
Write Bytes C, B
Write Bytes C, B, A
Write Byte D– DQ
D
Write Bytes D, A
Write Bytes D, B
Write Bytes D, B, A
Write Bytes D, C
Write Bytes D, C, A
Write Bytes D, C, B
Write All Bytes
Write All Bytes
Note:
8.Table only lists a partial listing of the byte write combinations. Any combination of BW
Document #: 38-05520 Rev. *F
[2, 8]
GW
BWE
H
H
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
L
X
is valid. Appropriate write will be done based on which byte write is active.
X
CY7C1339G
BW
BW
BW
D
C
X
X
X
H
H
H
H
H
H
H
H
L
H
H
L
H
L
H
H
L
H
H
L
L
H
L
L
L
H
H
L
H
H
L
H
L
L
H
L
L
L
H
L
L
H
L
L
L
L
L
L
X
X
X
BW
B
A
X
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
X
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