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IDT7132SA35FB Datasheet(PDF) 8 Page - Integrated Device Technology |
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IDT7132SA35FB Datasheet(HTML) 8 Page - Integrated Device Technology |
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8 / 11 page  IDT7132SA/LA AND IDT7142SA/LA HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM MILITARY AND COMMERCIAL TEMPERATURE RANGES 6.02 8 AC ELECTRICAL CHARACTERISTICS OVER THE OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE(7)8M824S258M824S30 7132158M824S4 7132X20 (1) 7132X25 (8) 7132X35 7132X55 7132X100 7142X25 (8) 7142X35 7142X55 7142X100 Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Unit Busy Timing (For Master lDT7130 Only) tBAA BUSY Access Time from Address — 20 — 20 — 20 — 30 — 50 ns tBDA BUSY Disable Time from Address — 20 — 20 — 20 — 30 — 50 ns tBAC BUSY Access Time from Chip Enable — 20 — 20 — 20 — 30 — 50 ns tBDC BUSY Disable Time from Chip Enable — 20 — 20 — 20 — 30 — 50 ns tWDD Write Pulse to Data Delay (2) — 50 — 50 — 60 — 80 — 120 ns tWH Write Hold After BUSY(6) 12 — 15 — 20 — 20 — 20 — ns tDDD Write Data Valid to Read Data Delay (2) — 35 — 35 — 35 — 55 — 100 ns tAPS Arbitration Priority Set-up Time(3) 5— 5— 5 — 5— 5 — ns tBDD BUSY Disable to Valid Data(4) — 25 — 35 — 35 — 50 — 65 ns Busy Timing (For Slave IDT7140 Only)e5 — 5 — 5 — 5 — 5 tWB Write to BUSY Input(5) 0— 0— 0 — 0— 0 — ns tWH Write Hold After BUSY(6) 12 — 15 — 20 — 20 — 20 — ns tWDD Write Pulse to Data Delay (2) — 40 — 50 — 60 — 80 — 120 ns tDDD Write Data Valid to Read Data Delay (2) — 30 — 35 — 35 — 55 — 100 ns NOTES: 2689 tbl 11 1. Com'l Only, 0 °C to +70°C temperature range. PLCC package only. 2. Port-to-port delay through RAM cells from the writing port to the reading port, refer to “Timing Waveform of Write with Port -to-Port Read and BUSY." 3. To ensure that the earlier of the two ports wins. 4. tBDD is a calculated parameter and is the greater of 0, tWDD – tWP (actual), or tDDD – tDW (actual). 5. To ensure that a write cycle is inhibited on port 'B' during contention on port 'A'.. 6. To ensure that a write cycle is completed on port 'B' after contention on port 'A'. 7. “X” in part numbers indicates power rating (S or L). 8. Not available in DIP package tWC tWP tDW tDH tBDD tDDD tBDA tWDD ADDR’B’ DATAOUT’B’ DATAIN’A’ ADDR’A’ MATCH VALID MATCH VALID R/ W’A’ BUSY’B’ tAPS 2692 drw 11 (1) NOTES: 1. To ensure that the earlier of the two ports wins. tAPS is ignored for Slave (IDT7142). 2. CEL = CER = VIL. 3. OE = VIL for the reading port. 4. 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 WRITE WITH PORT-TO-PORT READ AND BUSY BUSY BUSY BUSY BUSY (1,2,3) |
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