參數(shù)資料
型號: CY7C1165V18-333BZI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
中文描述: 512K X 36 QDR SRAM, 0.45 ns, PBGA165
封裝: 13 X 15 MM, 1.40 MM HEIGHT, MO-216, FPBGA-165
文件頁數(shù): 25/29頁
文件大?。?/td> 956K
代理商: CY7C1165V18-333BZI
CY7C1161V18
CY7C1176V18
CY7C1163V18
CY7C1165V18
Document Number: 001-06582 Rev. *C
Page 25 of 29
Switching Waveforms
Read/Write/Deselect Sequence
Figure 6. Waveform for 2.5 Cycle Read Latency
[30, 31, 32]
tKH
tKL
tCYC
tKHKH
t
t
t
tSA
HA
SC
HC
tHD
tSC
tHC
A0
A1
A2
A3
t
t
SD
HD
tSD
D11
D10
D12
D13
D30
D31
D32
D33
t
QVLD
D
A
WPS
RPS
K
K
NOP
6
READ
2
NOP
1
WRITE
3
READ
4
WRITE
5
7
8
CQ
CQ
Q
tCQOH
CCQO
t
CLZ
t
t
CO
tDOH
tCQDOH
CQD
t
tCHZ
tCQOH
CCQO
t
tQVLD
QVLD
DON’T CARE
UNDEFINED
(Read Latency = 2.5 Cycles)
Q00
Q01
Q20
Q02
Q21
Q03
Q22
Q23
tCQH
t
CQHCQH
Notes
30.Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0, i.e., A0+1.
31.Outputs are disabled (High Z) one clock cycle after a NOP.
32.In this example, if address A2 = A1, then data Q20 = D10 and Q21 = D11. Write data is forwarded immediately as read results. This note applies to the whole diagram.
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相關(guān)PDF資料
PDF描述
CY7C1165V18-333BZXC 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
CY7C1165V18-333BZXI 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
CY7C1176V18 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
CY7C1176V18-300BZC 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
CY7C1176V18-300BZI 18-Mbit QDR⑩-II+ SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
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