参数资料
型号: CY7C1487V25-133BGI
厂商: CYPRESS SEMICONDUCTOR CORP
元件分类: DRAM
英文描述: 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
中文描述: 1M X 72 CACHE SRAM, 6.5 ns, PBGA209
封装: 14 X 22 MM, 1.76 MM HEIGHT, FBGA-209
文件页数: 23/30页
文件大小: 1028K
代理商: CY7C1487V25-133BGI
CY7C1481V25
CY7C1483V25
CY7C1487V25
Document #: 38-05281 Rev. *H
Page 23 of 30
Write Cycle Timing
[22, 23]
1
Timing Diagrams
(continued)
tCYC
tCL
CLK
tADH
tADS
ADDRESS
tCH
tAH
tAS
A1
tCEH
tCES
High-Z
BURST READ
BURST WRITE
D(A2)
D(A2 + 1)
D(A2 + 1)
D(A1)
D(A3)
D(A3 + 1)
D(A3 + 2)
D(A2 + 3)
A2
A3
Extended BURST WRITE
D(A2 + 2)
Single WRITE
tADH
tADS
tADH
tADS
tOEHZ
tADVH
tADVS
tWEH
tWES
tDH
tDS
t
WEH
tWES
Byte write signals are ignored for first cycle when
ADSP initiates burst
ADSC extends burst
ADV suspends burst
DON’T CARE
UNDEFINED
ADSP
ADSC
BW
X
BWE,
GW
CE
ADV
OE
Data in (D)
Data Out (Q)
Note
23.Full width write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW
X
LOW.
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相关PDF资料
PDF描述
CY7C1487V25-133BGXC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1487V25-133BGXI 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100AXC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100AXI 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
CY7C1481V25-100BZC 72-Mbit (2M x 36/4M x 18/1M x 72) Flow-Through SRAM
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