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WED2ZL361MS35BC Datasheet(PDF) 5 Page - White Electronic Designs Corporation |
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WED2ZL361MS35BC Datasheet(HTML) 5 Page - White Electronic Designs Corporation |
5 / 12 page 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED2ZL361MS Oct, 2002 Rev. 5 White Electronic Designs Corp. reserves the right to change products or specifications without notice. AC CHARACTERISTICS NOTES: 1. All Address inputs must meet the specified setup and hold times for all rising clock (CK) edges when ADV is sampled low and CEx# is sampled valid. All other synchronous inputs must meet the specified setup and hold times whenever this device is chip selected. 2. Chip enable must be valid at each rising edge of CK (when ADV is Low) to remain enabled. 3. A write cycle is defined by WE# low having been registered into the device at ADV Low. A Read cycle is defined by WE# High with ADV Low. Both cases must meet setup and hold times. OUTPUT LOAD (A) OUTPUT LOAD (B) (for tLZC, tLZOE, tHZOE, and tHZC) Dout Zo=50 Ω RL=50 Ω VL=1.25V 30pF* Dout 1538 Ω 5pF* +2.5V 1667 Ω *Including Scope and Jig Capacitance AC TEST CONDITIONS (0 ≤ TA ≤ 70°C, VCC = 2.5V ± 5%; Commercial or -40°C ≤ Ta ≤ 85°C; VCC = 2.5V ± 5%; Industrial) Parameter Value Input Pulse Level 0 to 2.5V Input Rise and Fall Time (Measured at 20% to 80%) 1.0V/ns Input and Output Timing Reference Levels 1.25V Output Load See Output Load (A) Parameter Symbol 250MHz 225MHz 200MHz 166MHz 150MHz 133MHz Units Min Max Min Max Min Max Min Max Min Max Min Max Clock Time tCYC 4.0 4.4 5.0 6.0 6.7 7.5 ns Clock Access Time tCD -- 2.6 -- 2.8 -- 3.0 -- 3.5 -- 3.8 -- 4.2 ns Output enable to Data Valid tOE -- 2.6 -- 2.8 -- 3.0 -- 3.5 -- 3.8 -- 4.2 ns Clock High to Output Low-Z tLZC 1.5 -- 1.5 -- 1.5 -- 1.5 -- 1.5 -- 1.5 -- ns Output Hold from Clock High tOH 1.5 -- 1.5 -- 1.5 -- 1.5 -- 1.5 -- 1.5 -- ns Output Enable Low to output Low-Z tLZOE 0.0 -- 0.0 -- 0.0 -- 0.0 -- 0.0 -- 0.0 -- ns Output Enable High to Output High-Z tHZOE -- 2.6 -- 2.8 -- 3.0 -- 3.0 -- 3.0 -- 3.5 ns Clock High to Output High-Z tHZC -- 2.6 -- 2.8 -- 3.0 -- 3.0 -- 3.0 -- 3.5 ns Clock High Pulse Width tCH 1.7 -- 2.0 -- 2.0 -- 2.2 -- 2.2 -- 2.2 -- ns Clock Low Pulse Width tCL 1.7 -- 2.0 -- 2.0 -- 2.2 -- 2.2 -- 2.2 -- ns Address Setup to Clock High tAS 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns CKE Setup to Clock High tCES 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns Data Setup to Clock High tDS 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns Write Setup to Clock High tWS 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns Address Advance to Clock High tADVS 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns Chip Select Setup to Clock High tCSS 1.2 -- 1.4 -- 1.4 -- 1.5 -- 1.5 -- 1.5 -- ns Address Hold to Clock high tAH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns CKE Hold to Clock High tCEH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns Data Hold to Clock High tDH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns Write Hold to Clock High tWH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns Address Advance to Clock High tADVH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns Chip Select Hold to Clock High tCSH 0.3 -- 0.4 -- 0.4 -- 0.5 -- 0.5 -- 0.5 -- ns ZZ High to Power Down tPDS 2 -- 2 -- 2 -- 2 -- 2 -- 2 -- cycle ZZ Low to Power Up tPUS 2 -- 2 -- 2 -- 2 -- 2 -- 2 -- cycle |
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