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WEDPS512K32-17BM Datasheet(PDF) 3 Page - White Electronic Designs Corporation |
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WEDPS512K32-17BM Datasheet(HTML) 3 Page - White Electronic Designs Corporation |
3 / 7 page WEDPS512K32-XBX 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs White Electronic Designs Corp. reserves the right to change products or specifications without notice. November, 2003 Rev.6 AC CHARACTERISTICS (VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C) AC TEST CIRCUIT Notes: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75 Ω. VZ is typically the midpoint of VOH and VOL. IOL & IOH are adjusted to simulate a typical resistive load circuit. ATE tester includes jig capacitance. AC CHARACTERISTICS (VCC = 5.0V, VSS = 0V, TA = -55°C to +125°C) AC TEST CONDITIONS Parameter Typ Unit Input Pulse Levels VIL = 0, VIH = 3.0 V Input Rise and Fall 5 ns Input and Output Reference Level 1.5 V Output Timing Reference Level 1.5 V Parameter Symbol -12 -15 -17 -20 Units Read Cycle Min Max Min Max Min Max Min Max Read Cycle Time tRC 12 15 17 20 ns Address Access Time tAA 12 15 17 20 ns Output Hold from Address Change tOH 00 0 0 ns Chip Select Access Time tACS 12 15 17 20 ns Output Enable to Output Valid tOE 78 9 10 ns Chip Select to Output in Low Z tCLZ1 12 2 2 ns Output Enable to Output in Low Z tOLZ1 00 0 0 ns Chip Disable to Output in High Z tCHZ1 712 12 12 ns Output Disable to Output in High Z tOHZ1 712 12 12 ns Parameter Symbol -12 -15 -17 -20 Units Read Cycle Min Max Min Max Min Max Min Max Write Cycle Time tWC 12 15 17 20 ns Chip Select to End of Write tCW 10 13 15 15 ns Address Valid to End of Write tAW 10 13 15 15 ns Data Valid to End of Write tDW 810 11 12 ns Write Pulse Width tWP 10 13 15 15 ns Address Setup Time tAS 02 2 2 ns Address Hold Time tAH 00 0 0 ns Output Active from End of Write tOW1 22 2 3 ns Write Enable to Output in High Z tWHZ1 78 9 11 ns Data Hold Time tDH 00 0 0 1. This parameter is guaranteed by design but not tested. 1. This parameter is guaranteed by design but not tested. Current Source Current Source IOL IOH Ceff = 50 pf D.U.T. VZ ≈ 1.5V (Bipolar Supply) |
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