CY7C0851V CYPRESS [Cypress Semiconductor], CY7C0851V Datasheet - Page 2

• Manufacturer Part Number: CY7C0851V
• Manufacturer: CYPRESS [Cypress Semiconductor]

Logic Block Diagram
The Logic Block Diagram is as follows.
Note
Document Number: 38-06070 Rev. *L
1. 9M device has 18 address bits, 4M device has 17 address bits, and 2M device has 16 address bits.
OE
R/W
B0
B1
B2
B3
CE
CE
DQ
DQ
DQ
DQ
CNTINT
A
CNT/MSK
ADS
CNTEN
CNTRST
CLK
L
L
L
L
L
0L
1L
0L
L
27L
18L
9L
0L
–A
–DQ
–DQ
L
L
–DQ
–DQ
17L
L
17L
8L
L
35L
26L
L
L
INT
9
9
9
9
18
L
Interrupt
Mask Register
Logic
Mirror Reg
Counter/
Register
Address
Addr.
Read
Back
[1]
MRST
Control
I/O
Address
Decode
Reset
Logic
Dual-Ported
RAM Array
True
TMS
TDI
TCK
Address
Decode
JTAG
Control
I/O
TDO
Mask Register
Mirror Reg
CY7C0851V/CY7C0851AV
CY7C0852V/CY7C0852AV
CY7C0853V/CY7C0853AV
Counter/
Address
Register
Addr.
Read
Back
Interrupt
Logic
18
INT
9
9
9
9
R
CNT/MSK
CNTRST
DQ
DQ
CNTINT
DQ
DQ
A
CNTEN
27R
18R
0R
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9R
CLK
0R
ADS
–DQ
–DQ
–DQ
–A
–DQ
R/W
CE
CE
OE
B0
B1
B2
B3
17R
R
R
R
R
0R
1R
35R
26R
17R
R
R
R
R
R
R
8R