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IDT72V845L15PF Datasheet(PDF) 5 Page - Integrated Device Technology |
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IDT72V845L15PF Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 26 page IDT72V805/72V815/72V825/72V835/72V845 3.3 V CMOS DUAL SyncFIFO™ 256 x 18, 512 x 18, 1,024 x 18, 4,096 x 18 COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES 5 Commercial Com’l & Ind’l(2) Commercial IDT72V805L10 IDT72V805L15 IDT72V805L20 IDT72V815L10 IDT72V815L15 IDT72V815L20 IDT72V825L10 IDT72V825L15 IDT72V825L20 IDT72V835L10 IDT72V835L15 IDT72V835L20 IDT72V845L10 IDT72V845L15 IDT72V845L20 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 Data Setup Time 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 tRS Reset Pulse Width(1) 10 — 15 — 20 — ns tRSS Reset Setup Time 8 — 10 — 12 — ns tRSR Reset Recovery Time 8 — 10 — 12 — ns tRSF Reset to Flag and Output Time — 15 — 15 — 20 ns tOLZ Output Enable to Output in Low-Z(3) 0—0— 0 — ns tOE Output Enable to Output Valid — 6 3 8 3 10 ns tOHZ Output Enable to Output in High-Z(3) 16 38 3 10 ns tWFF Write Clock to Full Flag — 6.5 — 10 — 12 ns tREF Read Clock to Empty Flag — 6.5 — 10 — 12 ns tPAFA Clock to Asynchronous Programmable — 17 — 20 — 22 ns Almost-Full Flag tPAFS Write Clock to Synchronous — 8 — 10 — 12 ns Programmable Almost-Full Flag tPAEA Clock to Asynchronous Programmable — 17 — 20 — 22 ns Almost-Empty Flag tPAES Read Clock to Synchronous — 8 — 10 — 12 ns Programmable Almost-Empty Flag tHF Clock to Half-Full Flag — 17 — 20 — 22 ns tXO Clock to Expansion Out — 6.5 — 10 — 12 ns tXI Expansion In Pulse Width 3 — 6.5 — 8 — ns tXIS Expansion In Setup Time 3 — 5 — 8 — ns tSKEW1 Skew time between Read Clock & 5 — 6 — 8 — ns Write Clock for FF/IR and EF/OR tSKEW2(4) Skew time between Read Clock & 14 — 18 — 20 — ns Write Clock for PAE and PAF AC ELECTRICAL CHARACTERISTICS (Commercial: VCC = 3.3V ± 0.3V, TA = 0°C to +70°C; Industrial: VCC = 3.3V ± 0.3V, TA = -40°C to +85°C) NOTES: 1. Pulse widths less than minimum values are not allowed. 2. Industrial temperature range product for the 15ns speed grade is available as a standard device. 3. Values guaranteed by design, not currently tested. 4. tSKEW2 applies to synchronous PAE and synchronous PAF only. 30pF* 330 Ω 3.3V 510 Ω D.U.T. 4295 drw 03 Figure 1. Output Load * Includes jig and scope capacitances. AC TEST CONDITIONS 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 1 |
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