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IDT72421L10PFI Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT72421L10PFI Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 14 page COMMERCIALANDINDUSTRIAL TEMPERATURERANGES IDT72421/72201/72211/72221/72231/72241/72251 CMOS SyncFIFO™ 64 x 9, 256 x 9, 512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9 and 8,192 x 9 4 Figure 1. Output Load *includes jig and scope capacitances or equivalent circuit AC ELECTRICAL CHARACTERISTICS (Commercial: VCC = 5V ± 10%, TA = 0 °C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C) Commercial Com'l & Ind'l(1) Com'l & Ind'l(1) IDT72421L10 IDT72421L15 IDT72421L25 IDT72201L10 IDT72201L15 IDT72201L25 IDT72211L10 IDT72211L15 IDT72211L25 IDT72221L10 IDT72221L15 IDT72221L25 IDT72231L10 IDT72231L15 IDT72231L25 IDT72241L10 IDT72241L15 IDT72241L25 IDT72251L10 IDT72251L15 IDT72251L25 Symbol Parameter Min. Max. Min. Max. Min. Max. Unit fS Clock Cycle Frequency — 100 — 66.7 — 40 MHz tA Data Access Time 2 6.5 2 10 2 15 ns tCLK Clock Cycle Time 10 — 15 — 25 — ns tCLKH Clock High Time 4.5 — 6 — 10 — ns tCLKL Clock Low Time 4.5 — 6 — 10 — ns tDS Data Setup Time 3 — 4 — 6 — ns tDH Data Hold Time 0.5 — 1 — 1 — ns tENS Enable Setup Time 3 — 4 — 6 — ns tENH Enable Hold Time 0.5 — 1 — 1 — ns tRS ResetPulseWidth(2) 10 — 15 — 15 — ns tRSS Reset Setup Time 8 — 10 — 15 — ns tRSR Reset Recovery Time 8 — 10 — 15 — ns tRSF Reset to Flag and Output Time — 10 — 15 — 25 ns tOLZ Output Enable to Output in Low-Z(3) 0— 0 — 0 — ns tOE Output Enable to Output Valid 3 6 3 8 3 13 ns tOHZ Output Enable to Output in High-Z(3) 36 3 8 3 13 ns tWFF Write Clock to Full Flag — 6.5 — 10 — 15 ns tREF Read Clock to Empty Flag — 6.5 — 10 — 15 ns tPAF Write Clock to Programmable Almost-Full Flag — 6.5 — 10 — 15 ns tPAE Read Clock to Programmable Almost-Empty Flag — 6.5 — 10 — 15 ns tSKEW1 Skew time between Read Clock & Write Clock for 5 — 6 — 10 — ns Empty Flag & Full Flag tSKEW2 Skew time between Read Clock & Write Clock for 14 — 15 — 18 — ns Almost-Empty Flag & Programmable Almost-Full Flag NOTES: 1. Industrial temperature range product for the 15ns and 25ns speed grades are available as standard product. 2. Pulse widths less than minimum values are not allowed. 3. Values guaranteed by design, not currently tested. In 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 CAPACITANCE (Ta = +25 °C, f = 1.0MHz) Symbol Parameter Conditions Max. Unit CIN(2) InputCapacitance VIN = 0V 10 pF COUT (1,2) OutputCapacitance VOUT = 0V 10 pF 30pF* 1.1K 5V 680 Ω D.U.T. 2655 drw 03 NOTES: 1. With output deselected (OE ≥ VIH). 2. Characterized values, not currently tested. AC TEST CONDITIONS |
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