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WE128K8-150CQA Datasheet(PDF) 4 Page - White Electronic Designs Corporation |
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WE128K8-150CQA Datasheet(HTML) 4 Page - White Electronic Designs Corporation |
4 / 13 page WE512K8, WE256K8, WE128K8-XCX 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs May 2000 Rev. 1 White Electronic Designs Corp. reserves the right to change products or specifications without notice. FIGURE 4 AC Test Circuit DC CHARACTERISTICS VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C Parameter Symbol Conditions 512K x 8 256K x 8 128K x 8 Unit Min Typ Max Min Typ Max Min Typ Max Input Leakage Current ILI VCC = 5.5, VIN = GND to VCC 10 10 10 µA Output Leakage Current ILO CS# = VIH, OE# = VIH, Vout = GND to VCC 10 10 10 µA Dynamic Supply Current ICC CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5 80 100 60 90 50 70 mA Standby Current ISB CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5 3 8 2 6 1 4 mA Output Low Voltage VOL IOL = 2.1mA, VCC = 4.5V 0.45 0.45 0.45 V Output High Voltage VOH IOH = -400µA, VCC = 4.5V 2.4 2.4 2.4 V NOTE: DC test conditions: Vih = Vcc -0.3V, Vil = 0.3V TRUTH TABLE CS# OE# WE# Mode Data I/O H X X Standby High Z L L H Read Data Out L H L Write Data In X H X Out Disable High Z/Data Out X X H Write X L X Inhibit CAPACITANCE TA = +25°C Parameter Sym Condition 512Kx8 Max 256Kx8 Max 128Kx8 Max Unit Input Capacitance CIN VIN = 0V, f = 1MHz 45 80 45 pF Output Capacitance COUT VI/O = 0V, f = 1MHz 60 80 60 pF This parameter is guaranteed by design but not tested. ABSOLUTE MAXIMUM RATINGS Parameter Symbol Unit Operating Temperature TA -55 to +125 °C Storage Temperature TSTG -65 to +150 °C Signal Voltage Any Pin VG -0.6 to + 6.25 V Voltage on OE# and A9 -0.6 to +13.5 V Thermal Resistance junction to case θJC 28 °C/W Lead Temperature (soldering -10 secs) +300 °C NOTE: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED OPERATING CONDITIONS Parameter Symbol Min Max Unit Supply Voltage VCC 4.5 5.5 V Input High Voltage VIH 2.0 VCC + 0.3 V Input Low Voltage VIL -0.3 +0.8 V Operating Temp. (Mil.) TA -55 +125 °C Operating Temp. (Ind.) TA -40 +85 °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 Notes: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75Ω. 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. |
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