Cypress CY7C1321CV18 Manual De Usuario
CY7C1317CV18, CY7C1917CV18
CY7C1319CV18, CY7C1321CV18
CY7C1319CV18, CY7C1321CV18
Document Number: 001-07161 Rev. *D
Page 3 of 31
Logic Block Diagram (CY7C1319CV18)
Logic Block Diagram (CY7C1321CV18)
Write
Reg
CLK
A
(19:0)
Gen.
K
K
Control
Logic
Address
Register
Read Add
. Decode
Read Data Reg.
R/W
Output
Logic
Reg.
Reg.
Reg.
36
72
18
BWS
[1:0]
V
REF
W
rite Add. Decode
36
20
C
C
18
LD
Control
R/W
DOFF
256K x 18
Array
256K x 18
Array
18
Write
Reg
Write
Reg
Write
Reg
256K x 18
Array
256K x 18
Array
18
18
Burst
Logic
Logic
2
A
(1:0)
18
A
(19:2)
DQ
[17:0]
18
CQ
CQ
Write
Reg
CLK
A
(18:0)
Gen.
K
K
Control
Logic
Address
Register
Read
A
d
d. Decode
Read Data Reg.
R/W
Output
Logic
Reg.
Reg.
Reg.
72
144
36
BWS
[3:0]
V
REF
W
rite Add. Decode
72
19
C
C
36
LD
Control
R/W
DOFF
128K x 3
6
Array
128K x 3
6
Array
36
Write
Reg
Write
Reg
Write
Reg
128K x 3
6
Array
128K x 3
6
Array
36
36
Burst
Logic
Logic
2
A
(1:0)
17
A
(18:2)
DQ
[35:0]
36
CQ
CQ