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: 22/30页
文件大小: 1028K
代理商: CY7C1487V25-133BGI
CY7C1481V25
CY7C1483V25
CY7C1487V25
Document #: 38-05281 Rev. *H
Page 22 of 30
Timing Diagrams
Read Cycle Timing
[22]
tCYC
tCL
CLK
tADH
tADS
ADDRESS
tCH
tAH
tAS
A1
tCEH
tCES
Data Out (Q)
High-Z
tCLZ
tDOH
tCDV
tOEHZ
tCDV
Single READ
BURST
READ
tOEV
tOELZ
tCHZ
Burst wraps around
to its initial state
tADVH
tADVS
tWEH
tWES
tADH
tADS
Q(A2)
Q(A2 + 1)
Q(A2 + 2)
Q(A1)
Q(A2)
Q(A2 + 1)
Q(A2 + 2)
Q(A2 + 3)
A2
ADV suspends burst
Deselect Cycle
DON’T CARE
UNDEFINED
ADSP
ADSC
GW, BWE, BW
X
CE
ADV
OE
Note
22.On this diagram, when CE is LOW: CE
1
is LOW, CE
2
is HIGH and CE
3
is LOW. When CE is HIGH: CE
1
is HIGH or CE
2
is LOW or CE
3
is HIGH.
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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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