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參數(shù)資料
| 型號： | WSE128K16-42G2TMA |
| 廠商： | MICROSEMI CORP-PMG MICROELECTRONICS |
| 元件分類： | 存儲器 |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, CQMA68 |
| 封裝： | CERAMIC, QFP-68 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大小： | 635K |
| 代理商： | WSE128K16-42G2TMA |
WSE128K16-XXX
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
PRELIMINARY
White Electronic Designs Corp. reserves the right to change products or specications without notice.
March 2005
Rev. 3
FIGURE 4 – SRAM READ CYCLES
ADDRESS
SRAM
DATA I/O
PREVIOUS DATA VALID
DATA VALID
tRC
tAA
READ CYCLE 1, (SCS# = OE# = VIL, SWE# = VIH)
tOH
ADDRESS
SCS#
SOE#
SRAM
DATA I/O
tRC
tAA
tACS
tCLZ
tOE
tOLZ
tCHZ
tOHZ
HIGH IMPEDANCE
READ CYCEL 2, (SWE# = VIH)
DATA VALID
FIGURE 5 – SRAM WRITE CYCLE SWE# CONTROLLED
ADDRESS
SCS#
SWE#
SRAM
DATA I/O
tWC
tAW
tCW
tAH
tWP
tOW
tAS
tWHZ
tDW
tDH
DATA VALID
WRITE CYCLE 1, SWE# CONTROLLED
FIGURE 6 – SRAM WRITE CYCEL SCS# CONTROLLED
ADDRESS
SCS#
SWE#
SRAM
DATA I/O
tWC
tAW
tCW
tAS
tAH
tDH
tDW
tWP
DATA VALID
WRITE CYCLE 2, SCS# CONTROLLED
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