CYD18S72V CYPRESS [Cypress Semiconductor], CYD18S72V Datasheet - Page 2

• Manufacturer Part Number: CYD18S72V
• Description: FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-06069 Rev. *D
.
Logic Block Diagram
Note:
1.
CYD04S72V have 16 address bits, CYD09S72V have 17 address bits and CYD18S72V have 18 bits.
PORTST[1:0]
CNT/MSK
CNTRST
CNTINT
CNTEN
A [17:0]
DQ[71:0]
ADS
WRP
FTSEL
BE [7:0]
RET
C
CE0
R/W
OE
CE1
L
INT
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
[1]
BUSY
Counter Logic
CONFIG Block
Mailboxes
Address &
L
Control
IO
PRELIMINARY
LowSPD
READY
Dual Ported Array
Arbitration Logic
L
L
INT
R
Counter Logic
CONFIG Block
Address &
RESET
LOGIC
JTAG
Control
IO
BUSY
R
CNT/MSK
CNTRST
CNTINT
PORTST[1:0]
CNTEN
A [17:0]
READY
CYD04S72V
CYD09S72V
CYD18S72V
TRST
LowSPD
DQ [71:0]
MRST
ADS
RET
WRP
TMS
TDO
TCK
BE [7:0]
TDI
FTSEL
C
R/W
CE0
OE
CE1
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Page 2 of 26
R
R