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SN74V215 Datasheet(PDF) 22 Page - Texas Instruments |
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SN74V215 Datasheet(HTML) 22 Page - Texas Instruments |
22 / 43 page SN74V215, SN74V225, SN74V235, SN74V245 512 × 18, 1024 × 18, 2048 × 18, 4096 × 18 DSP-SYNC FIRST-IN, FIRST-OUT MEMORIES SCAS636E – APRIL 2000 – REVISED SEPTEMBER 2002 22 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 WCLK WEN tCLKH tCLKL tENH tENS tHF D/2 Words in FIFO, (see Notes A and B) tHF HF RCLK tENS REN D – 1 2 + 1 Words in FIFO (see Notes A and C) D – 1 2 + 2 D/2 Words in FIFO, (see Notes A and B) D – 1 2 + 1 NOTES: A. D = maximum FIFO depth In FWFT mode: D = 513 for the SN74V215, 1025 for the SN74V225, 2049 for the SN74V235 and 4097 for the SN74V245 In standard mode: D = 512 for the SN74V215, 1024 for the SN74V225, 2048 for the SN74V235 and 4096 for the SN74V245 B. For standard mode C. For FWFT mode D. Select single-device mode by setting (FL, RXI, WXI) = (0,0,0), (0,0,1), (0,1,0), (1,0,0), (1,0,1) or (1,1,0) during reset. D/2+1 Words in FIFO, (see Notes A and B) Words in FIFO (see Notes A and C) Words in FIFO (see Notes A and C) Figure 11. Half-Full-Flag Timing (Standard and FWFT Modes) tCLKH tXO See Note A tENS WCLK WEN WXO NOTE A: Write to last physical location. Figure 12. Write-Expansion-Out Timing |
Similar Part No. - SN74V215_06 |
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Similar Description - SN74V215_06 |
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