Cypress CY7C1245V18 - Manual (Page 2)

CY7C1241V18, CY7C1256V18
CY7C1243V18, CY7C1245V18
Document Number: 001-06365 Rev. *D Page 2 of 28
Logic Block Diagram (CY7C1241V18)
Logic Block Diagram (CY7C1256V18)
1M x 8 A
rr
a
y
CLK
A
(19:0)
Gen.
K
K
Control
Logic
Address
Register
D
[7:0]
Read Add. D
e
cod
e
Read Data Reg.
RPS
WPS
Q
[7:0]
Control
Logic
Address
Register
Reg.
Reg.
Reg.
16
20
8
32
8
NWS
[1:0]
V
REF
W
rite Add. D
e
co
de
Write
Reg
16
A
(19:0)
20
1M x 8 A
rr
a
y
1M x 8 A
rr
a
y
1M x 8 A
rr
a
y
Write
Reg
Write
Reg
Write
Reg
8
CQ
CQ
DOFF
QVLD
1M x 9 Arra
y
CLK
A
(19:0)
Gen.
K
K
Control
Logic
Address
Register
D
[8:0]
Read A
d
d.
Decode
Read Data Reg.
RPS
WPS
Q
[8:0]
Control
Logic
Address
Register
Reg.
Reg.
Reg.
18
20
9
36
9
BWS
[0]
V
REF
W
rite
A
d
d. Decode
Write
Reg
18
A
(19:0)
20
1M x 9 Arra
y
1M x 9 Arra
y
1M x 9 Arra
y
Write
Reg
Write
Reg
Write
Reg
9
CQ
CQ
DOFF
QVLD
[+] Feedback [+] Feedback