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IDT72V291L15TF Datasheet(PDF) 6 Page - Integrated Device Technology |
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IDT72V291L15TF Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 26 page 6 COCOMMCOMMERCIALANDINDUSTRIALTEMPERATURERANGE IDT72V281/72V291 AC ELECTRICAL CHARACTERISTICS(1) (Commercial: VCC = 3.3V ± 0.3V, TA = 0oC to +70oC; Industrial: VCC = 3.3V ± 3.3V, TA = -40°C to +85°C) Commercial Com’l & Ind’l (2) Commercial IDT72V281L10 IDT72V281L15 IDT72V281L20 IDT72V291L10 IDT72V291L15 IDT72V291L20 Symbol Parameter Min. Max. Min. Max. Min. Max. Unit fS Clock Cycle Frequency — 100 — 66.7 — 50 MHz tA Data Access Time 2 6.5 2 10 2 12 ns tCLK Clock Cycle Time 10 — 15 — 20 — ns tCLKH Clock High Time 4.5 — 6 — 8 — ns tCLKL Clock Low Time 4.5 — 6 — 8 — ns tDS DataSetupTime 3 — 4 — 5 — ns tDH Data Hold Time 0.5 — 1 — 1 — ns tENS Enable Setup Time 3 — 4 — 5 — ns tENH Enable Hold Time 0.5 — 1 — 1 — ns tLDS LoadSetupTime 3 — 4 — 5 — ns tLDH Load Hold Time 0.5 — 1 — 1 — ns tRS Reset Pulse Width(3) 10 — 15 — 20 — ns tRSS ResetSetupTime 10 — 15 — 20 — ns tRSR Reset Recovery Time 10 — 15 — 20 — ns tRSF Reset to Flag and Output Time — 10 — 15 — 20 ns tFWFT Mode Select Time 0 — 0 — 0 — ns tRTS RetransmitSetupTime 3 — 4 — 5 — ns tOLZ Output Enable to Output in Low Z(4) 0— 0 — 0 — ns tOE Output Enable to Output Valid 2 6 3 8 3 10 ns tOHZ Output Enable to Output in High Z(4) 26 38 3 10 ns tWFF Write Clock to FF or IR — 6.5 — 10 — 12 ns tREF Read Clock to EF or OR — 6.5 — 10 — 12 ns tPAF Write Clock to PAF — 6.5 — 10 — 12 ns tPAE Read Clock to PAE — 6.5 — 10 — 12 ns tHF Clock to HF —16 — 20 — 22 ns tSKEW1 Skew time between RCLK and WCLK 5 — 6 — 10 — ns for FF/IR tSKEW2 Skew time between RCLK and WCLK 12 — 15 — 20 — ns for PAE and PAF tSKEW3 Skew time between RCLK and WCLK 60 — 60 — 60 — ns for EF/OR NOTES: 1. All AC timings apply to both Standard IDT mode and First Word Fall Through mode. 2. Industrial temperature range product for the 15ns speed grade is available as a standard device. 3. Pulse widths less than minimum values are not allowed. 4. Values guarenteed by design, not currently tested. Input Pulse Levels GND to 3.0V Input Rise/Fall Times 3ns Input Timing Reference Levels 1.5V Output Reference Levels 1.5V Output Load See Figure 2 AC TEST CONDITIONS Figure 2. Output Load * Includes jig and scope capacitances. 4513 drw 04 330 Ω 30pF* 510 Ω 3.3V D.U.T. |
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