參數(shù)資料
型號: EDI88257CA
英文描述: 256Kx8 Monolithic SRAM(256Kx8 CMOS單片靜態(tài)RAM(存取時間20,25,35,45,55ns))
中文描述: 256Kx8單片的SRAM(256Kx8的CMOS單片靜態(tài)隨機(jī)存儲器(存取時間20,25,35,45,55納秒))
文件頁數(shù): 4/6頁
文件大?。?/td> 121K
代理商: EDI88257CA
4
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
EDI88257CA
ADDRESS
DATA I/O
READ CYCLE 1 (WE HIGH; OE, CS LOW)
tAVQX
tAVQV
tAVAV
DATA 2
ADDRESS 1
ADDRESS 2
DATA 1
ADDRESS
DATA OUT
READ CYCLE 2 (WE HIGH)
tAVQV
tELQV
tGLQV
tELQX
tGLQX
tAVAV
tEHQZ
tGHQZ
OE
CS
WS32K32-XHX
FIG. 2
TIMING WAVEFORM - READ CYCLE
FIG. 4
WRITE CYCLE - CS CONTROLLED
FIG. 3
WRITE CYCLE - WE CONTROLLED
ADDRESS
DATA IN
WRITE CYCLE 2, CS CONTROLLED
tAVEH
tELEH
tEHAX
tWLEH
tDVEH
tEHDX
tAVAV
DATA VALID
HIGH Z
WE
CS
DATA OUT
tAVEL
ADDRESS
DATA IN
WRITE CYCLE 1, WE CONTROLLED
tAVWH
tELWH
tWHAX
tWLWH
tDVWH
tWLQZ
tWHQX
tAVWL
tWHDX
tAVAV
DATA VALID
HIGH Z
WE
CS
DATA OUT
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