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IDT7132LA35P Datasheet(PDF) 9 Page - Integrated Device Technology |
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IDT7132LA35P Datasheet(HTML) 9 Page - Integrated Device Technology |
9 / 11 page 6.02 9 IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM MILITARY AND COMMERCIAL TEMPERATURE RANGES BUSYR 2692 drw 12 R/ WL tWP tWH tWB R/ WR (2) (1) TIMING WAVEFORM OF WRITE WITH BUSY BUSY BUSY BUSY BUSY(3) NOTES: 1. tWH must be met for both BUSY Input (IDT7142, slave) or Output (IDT7132, master). 2. BUSY is asserted on port 'B' blocking R/W'B', until BUSY'B' goes High. 3. All timing is the same for the left and right ports. Port 'A' may be either the left or right port. Port 'B' is opposite from port 'A'. TIMING WAVEFORM OF BUSY ARBITRATION CONTROLLED BY CE CE CE CE CE TIMING (1) tAPS ADDR 'A' and 'B' ADDRESSES MATCH tBAC tBDC CE'B' CE'A' BUSY'A' 2692 drw 13 (2) TIMING WAVEFORM OF BUSY ARBITRATION CONTROLLED BY ADDRESS MATCH TIMING (1) BUSY'B' ADDRESSES DO NOT MATCH ADDRESSES MATCH tAPS ADDR'A' ADDR'B' 2692 drw 14 (2) tBAA tBDA tRC or tWC NOTES: 1. All timing is the same for left and right ports. Port 'A' may be either left or right port. Port 'B' is the opposite from port 'A'. 2. If tAPS is not satisified, the BUSY will be asserted on one side or the other, but there is no guarantee on which side BUSY will be asserted (7132 only). |
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