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WF128K32N-070G2LI5A Datasheet(PDF) 4 Page - White Electronic Designs Corporation |
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WF128K32N-070G2LI5A Datasheet(HTML) 4 Page - White Electronic Designs Corporation |
4 / 15 page 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WF128K32-XXX5 March 2006 Rev. 8 AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, CS# CONTROLLED VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C FIGURE 4 – AC TEST CIRCUIT Parameter Symbol -50 -60 -70 -90 -120 -150 Unit Min Max Min Max Min Max Min Max Min Max Min Max Write Cycle Time tAVAV tWC 50 60 70 90 120 150 ns WE# Setup Time tWLEL tWS 000000 ns CS# Pulse Width tELEH tCP 25 30 35 45 50 50 ns Address Setup Time tAVEL tAS 000000 ns Data Setup Time tDVEH tDS 25 30 30 45 50 50 ns Data Hold Time tEHDX tDH 000000 ns Address Hold Time tELAX tAH 40 45 45 45 50 50 ns WE# Hold from WE# High tEHWH tWH 000000 ns CS# Pulse Width High tEHEL tCPH 20 20 20 20 20 20 ns Duration of Programming Operation tWHWH1 14 14 14 14 14 14 µs Duration of Erase Operation tWHWH2 2.2 60 2.2 60 2.2 60 2.2 60 2.2 60 2.2 60 sec Read Recovery before Write tGHEL 000000 ns Chip Programming Time 12.5 12.5 12.5 12.5 12.5 12.5 sec 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 = 3.0 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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