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WD512K32NV-15H1C Datasheet(PDF) 4 Page - White Electronic Designs Corporation |
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WD512K32NV-15H1C Datasheet(HTML) 4 Page - White Electronic Designs Corporation |
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4 / 7 page  4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WS512K32V-XXX March 2006 Rev. 12 Current Source Current Source IOL IOH Ceff = 50 pf D.U.T. VZ ≈ 1.5V (Bipolar Supply) AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C Parameter Write Cycle Symbol -15 -17 -20 Units Min Max Min Max Min Max Write Cycle Time tWC 15 17 20 ns Chip Select to End of Write tCW 12 12 14 ns Address Valid to End of Write tAW 12 12 14 ns Data Valid to End of Write tDW 9 9 10 ns Write Pulse Width tWP 12 14 14 ns Address Setup Time tAS 000 ns Address Hold Time tAH 000 ns Output Active from End of Write tOW1 233 ns Write Enable to Output in High Z tWHZ1 889 ns Data Hold Time tDH 000 ns Parameter Read Cycle Symbol -15 -17 -20 Units Min Max Min Max Min Max Read Cycle Time tRC 15 17 20 ns Address Access Time tAA 15 17 20 ns Output Hold from Address Change tOH 000 ns Chip Select Access Time tACS 15 17 20 ns Output Enable to Output Valid tOE 8 8 10 ns Chip Select to Output in Low Z tCLZ1 111 ns Output Enable to Output in Low Z tOLZ1 000 ns Chip Disable to Output in High Z tCHZ1 8 8 10 ns Output Disable to Output in High Z tOHZ1 8 8 10 ns 1. This parameter is guaranteed by design but not tested. AC CHARACTERISTICS VCC = 3.3V, GND = 0V, -55°C ≤ TA ≤ +125°C 1. This parameter is guaranteed by design but not tested. 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 Test Conditions Parameter Typ Unit Input Pulse Levels VIL = 0, VIH = 2.5 V Input Rise and Fall 5 ns Input and Output Reference Level 1.5 V Output Timing Reference Level 1.5 V |
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