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White Electronic Designs Corporation Phoenix AZ (602) 437-1520
WSF128K32-XH2X
White Electronic Designs
FIG. 4 SRAM WRITE CYCLE - SWE CONTROLLED
ADDRESS
DATA I/O
tAW
tCW
tAH
tWP
tDW
tWHZ
tAS
tOW
tDH
tWC
DATA VALID
SCS
SWE
WS32K32-XHX
FIG. 5 SRAM WRITE CYCLE - SCS CONTROLLED
ADDRESS
DATA I/O
tAW
tAS
tCW
tAH
tWP
tDH
tDW
tWC
SCS
SWE
DATA VALID
ADDRESS
DATA I/O
tAA
tACS
tOE
tCLZ
tOLZ
tOHZ
tRC
DATA VALID
HIGH IMPEDANCE
SCS
SOE
tCHZ
ADDRESS
DATA I/O
tAA
tOH
tRC
DATA VALID
PREVIOUS DATA VALID
READ CYCLE 1, (SCS = OE = VIL, SWE = FCS = VIH)
READ CYCLE 2, (SWE = FCS = VIH)
WRITE CYCLE 1, SWE CONTROLLED (FCS = VIH)
WRITE CYCLE 2, SCS CONTROLLED (FCS = VIH)
FIG. 3 SRAM TIMING WAVEFORM - READ CYCLE