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IDT72V3624 Datasheet(PDF) 8 Page - Integrated Device Technology |
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IDT72V3624 Datasheet(HTML) 8 Page - Integrated Device Technology |
8 / 34 page 8 COMMERCIALTEMPERATURERANGE IDT72V3624/72V3634/72V3644 3.3V CMOS SyncBiFIFOTM WITH BUS-MATCHING 256 x 36 x 2, 512 x 36 x 2, 1,024 x 36 x 2 TIMING REQUIREMENTS OVER RECOMMENDED RANGES O. SUPPLY VOLTAGE AND OPERATING .REE-AIR TEMPERATURE IDT72V3624L10(1) IDT72V3624L15 IDT72V3634L10(1) IDT72V3634L15 IDT72V3644L10(1) IDT72V3644L15 Symbol Parameter Min. Max. Min. Max. Unit fS Clock Frequency, CLKA or CLKB — 100 — 66.7 MHz tCLK Clock Cycle Time, CLKA or CLKB 10 — 15 — ns tCLKH Pulse Duration, CLKA or CLKB HIGH 4.5 — 6 — ns tCLKL Pulse Duration, CLKA and CLKB LOW 4.5 — 6 — ns tDS Setup Time, A0-A35 before CLKA ↑ and B0-B35 before CLKB↑ 3— 4 — ns tENS1 Setup Time CSA before CLKA ↑; CSBbeforeCLKB↑4 — 4.5 — ns tENS2 Setup Time ENA, W/ RA and MBA before CLKA ↑; ENB, W/RB and MBB 3 — 4.5 — ns before CLKB ↑ tRSTS Setup Time, MRS1, MRS2, PRS1, or PRS2 LOW before CLKA ↑ or CLKB↑(2) 5— 5 — ns tFSS Setup Time, FS0 and FS1 before MRS1 and MRS2 HIGH 7.5 — 7.5 — ns tBES Setup Time, BE/ FWFT before MRS1 and MRS2 HIGH 7.5 — 7.5 — ns tSPMS Setup Time, SPM before MRS1 and MRS2 HIGH 7.5 — 7.5 — ns tSDS Setup Time, FS0/SD before CLKA ↑ 3— 4 — ns tSENS Setup Time, FS1/ SEN before CLKA ↑ 3— 4 — ns tFWS Setup Time, BE/ FWFT before CLKA ↑ 0— 0 — ns tDH Hold Time, A0-A35 after CLKA ↑ and B0-B35 after CLKB↑ 0.5 — 1 — ns tENH Hold Time, CSA, W/RA, ENA, and MBA after CLKA ↑; CSB, W/RB, ENB, and 0.5 — 1 — ns MBB after CLKB ↑ tRSTH Hold Time, MRS1, MRS2, PRS1 or PRS2 LOW after CLKA ↑ or CLKB↑(2) 4— 4 — ns tFSH Hold Time, FS0 and FS1 after MRS1 and MRS2 HIGH 2 — 2 — ns tBEH Hold Time, BE/ FWFT after MRS1 and MRS2 HIGH 2 — 2 — ns tSPMH Hold Time, SPM after MRS1 and MRS2 HIGH 2 — 2 — ns tSDH Hold Time, FS0/SD after CLKA ↑ 0.5 — 1 — ns tSENH Hold Time, FS1/ SEN HIGH after CLKA ↑ 0.5 — 1 — ns tSPH Hold Time, FS1/ SEN HIGH after MRS1 and MRS2 HIGH 2 — 2 — ns tSKEW1(3) Skew Time between CLKA ↑ and CLKB↑ for EFA/ORA, EFB/ORB,FFA/IRA, 5 — 7.5 — ns and FFB/IRB tSKEW2(3,4) Skew Time between CLKA ↑ and CLKB↑ for AEA, AEB, AFA, and AFB 12 — 12 — ns NOTES: 1. For 10ns (100 MHz operation), VCC = 3.3V +/- 0.15V; TA = 0 ° to +70°C; JEDEC JESD8-A compliant. 2. Requirement to count the clock edge as one of at least four needed to reset a FIFO. 3. Skew time is not a timing constraint for proper device operation and is only included to illustrate the timing relationship between CLKA cycle and CLKB cycle. 4. Design simulated, not tested. 5. Industrial temperature range is available by special order. Commercial: VCC = 3.3V +/- 0.30V; for 10ns (100 MHz operation), VCC = 3.3V +/- 0.15V ; TA = 0 °Cto +70°C; JEDEC JESD8-A compliant |
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