cy7c1386b-cy7c1387b Cypress Semiconductor Corporation., cy7c1386b-cy7c1387b Datasheet - Page 10

• Manufacturer Part Number: cy7c1386b-cy7c1387b
• Description: 512k X 36/1m X 18 Pipelined Dcd Sram
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-05195 Rev. **
Cycle Descriptions
Unselected
Unselected
Unselected
Unselected
Unselected
Begin Read
Begin Read
Continue Read
Continue Read
Continue Read
Continue Read
Suspend Read
Suspend Read
Suspend Read
Suspend Read
Begin Write
Begin Write
Begin Write
Continue Write
Continue Write
Suspend Write
Suspend Write
ZZ “sleep”
Notes:
1.
2.
3.
4.
Next Cycle
X = ”Don't Care.” H = HIGH. L = LOW.
Write is defined by BWE, BWx, and GW. See Write Cycle Descriptions table.
The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.
CE
1
, CE
2
, and CE
3
None
None
None
None
None
External
External
Next
Next
Next
Next
Current
Current
Current
Current
Current
Current
External
Next
Next
Current
Current
None
Add. Used
are available only in the TQFP package. The BGA package has a single chip select CE
[1,2,3,4]
ZZ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
CE
X
H
X
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
3
CE
X
X
X
H
H
X
X
X
X
X
X
X
X
X
X
H
X
X
X
X
X
L
L
2
CE
H
X
X
H
H
X
X
H
H
X
H
X
H
X
H
X
L
L
L
L
L
L
L
1
ADSP
X
H
H
H
H
H
X
X
H
H
X
X
H
X
H
H
X
H
X
X
L
L
L
ADSC
X
X
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
L
L
L
L
L
1
.
ADV
X
X
X
X
X
X
X
H
H
H
H
H
H
X
H
H
X
L
L
L
L
L
L
OE
X
X
X
X
X
X
X
H
H
H
H
X
X
X
X
X
X
X
X
L
L
L
L
CY7C1386B
CY7C1387B
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
DQ
Hi-Z
Hi-Z
Hi-Z
DQ
Page 10 of 32
X
X
X
X
X
X
Read
Read
Read
Read
Read
Read
Read
Read
Read
Write
Write
Write
Write
Write
Write
Write
X
Write