CYRS1543AV18 Datasheet, PDF (2/32 Pages) Cypress Semiconductor – 72-Mbit QDR® II+ SRAM Four-Word Burst

CYRS1543AV18
CYRS1545AV18
Logic Block Diagram – CYRS1543AV18
18
D_[17:0]
A_(19:0) ²⁰
Address
Register
Write Write Write Write
Reg Reg Reg Reg
Address
Register
20
A_(19:0)
K
K
DOFF
V_REF
WPS
BWS_[1:0]
CLK
Gen.
Control
Logic
Read Data Reg.
72
36
36
Control
Logic
RPS
Reg.
Reg. ¹⁸
18
Reg.
18
18
18
CQ
CQ
Q_[17:0]
QVLD
Logic Block Diagram – CYRS1545AV18
36
D_[35:0]
A_(18:0) ¹⁹
Address
Register
Write Write Write Write
Reg Reg Reg Reg
Address
Register
19
A_(18:0)
K
K
DOFF
V_REF
WPS
BWS_[3:0]
CLK
Gen.
Control
Logic
Read Data Reg.
144
72
72
Control
Logic
RPS
Reg.
Reg. ³⁶
36
Reg.
36
36
36
CQ
CQ
Q_[35:0]
QVLD
Document Number: 001-60007 Rev. *H
Page 2 of 32