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| WMS128K8V-XXX ABSOLUTE MAXIMUM RATINGS Parameter Operating Temperature Storage Temperature Signal Voltage Relative to GND Junction Temperature Supply Voltage Symbol TA TSTG VG TJ VCC -0.5 Min -55 -65 -0.5 Max +125 +150 Vcc+0.5 150 5.5 Unit C C V C V CS H L L L OE X L X H X H L H TRUTH TABLE WE Mode Standby Read Write Out Disable Data I/O High Z Data Out Data In High Z Power Standby Active Active Active RECOMMENDED OPERATING CONDITIONS Parameter Supply Voltage Input High Voltage Input Low Voltage Operating Temp. (Mil.) Symbol VCC VIH VIL TA Min 3.0 2.2 -0.3 -55 Max 3.6 VCC + 0.3 +0.8 +125 Unit V V V C Parameter Input capacitance Output capacitance CAPACITANCE (TA = +25C) Symbol CIN COUT Condition VIN = 0V, f = 1.0MHz VOUT = 0V, f = 1.0MHz Max Unit 20 20 pF pF This parameter is guaranteed by design but not tested. DC CHARACTERISTICS (VCC = 3.3V 0.3V, VSS = 0V, TA = -55C to +125C) Parameter Input Leakage Current Output Leakage Current Operating Supply Current (x 32 Mode) Standby Current Output Low Voltage Output High Voltage Sym ILI ILO ICC ISB VOL VOH Conditions Min VCC = 3.3, VIN = GND to VCC CS = VIH, OE = VIH, VOUT = GND to VCC CS = VIL, OE = VIH, f = 5MHz, VCC = 3.3 CS = VIH, OE = VIH, f = 5MHz, VCC = 3.3 IOL = 8mA IOH = -4.0mA 2.4 Max 10 10 120 8 0.4 Units A A mA mA V V AC TEST CIRCUIT I OL Current Source AC TEST CONDITIONS Parameter Input Pulse Levels Input Rise and Fall Input and Output Reference Level Typ VIL = 0, VIH = 2.5 5 1.5 1.5 Unit V ns V V D.U.T. C eff = 50 pf VZ 1.5V Output Timing Reference Level (Bipolar Supply) I OH Current Source NOTES: VZ is programmable from -2V to +7V. IOL & IOH programmable from 0 to 16mA. Tester Impedance Z0 = 75 . 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. White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 2 WMS128K8V-XXX AC CHARACTERISTICS (VCC = 3.3V, TA = -55C to +125C) Parameter Read Cycle Read Cycle Time Address Access Time Output Hold from Address Change Chip Select Access Time Output Enable to Output Valid Chip Select to Output in Low Z Output Enable to Output in Low Z Chip Disable to Output in High Z Output Disable to Output in High Z tRC tAA tOH tACS tOE tCLZ 1 tOLZ 1 tCHZ 1 tOHZ 1 5 5 8 8 0 15 10 5 5 9 9 Symbol -15 Min 15 15 0 17 11 5 5 10 10 Max Min 17 17 0 20 12 5 5 12 12 -17 Max -20 Min 20 20 0 25 15 5 5 15 15 Max Min 25 25 0 35 20 -25 Max -35 Min 35 35 Max ns ns ns ns ns ns ns ns ns Units 1. This parameter is guaranteed by design but not tested. AC CHARACTERISTICS (VCC = 3.3V, TA = -55C to +125C) Parameter Write Cycle Write Cycle Time Chip Select to End of Write Address Valid to End of Write Data Valid to End of Write Write Pulse Width Address Setup Time Address Hold Time Output Active from End of Write Write Enable to Output in High Z Data Hold Time tWC tCW tAW tDW tWP tAS tAH tOW 1 tWHZ 1 tDH 0 Symbol -15 Min 15 13 13 10 13 0 0 5 8 0 Max -17 Min 17 14 14 11 14 0 0 5 9 0 Max Min 20 15 15 12 15 0 0 5 10 0 -20 Max -25 Min 25 20 20 15 20 0 0 5 10 0 Max -35 Min 35 30 30 18 30 0 0 5 15 Max ns ns ns ns ns ns ns ns ns ns Units 1. This parameter is guaranteed by design but not tested. 3 White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 WMS128K8V-XXX TIMING WAVEFORM - READ CYCLE tRC ADDRESS tAA CS tRC ADDRESS tACS tCLZ OE tCHZ tAA tOH DATA I/O PREVIOUS DATA VALID DATA VALID tOE tOLZ DATA I/O HIGH IMPEDANCE tOHZ DATA VALID READ CYCLE 1 (CS = OE = VIL, WE = VIH) READ CYCLE 2 (WE = VIH) WRITE CYCLE - WE CONTROLLED tWC ADDRESS tAW tCW CS tAH tAS WE tWP tOW tWHZ tDW tDH DATA I/O DATA VALID WRITE CYCLE 1, WE CONTROLLED WRITE CYCLE - CS CONTROLLED WS32K32-XHX White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 4 WMS128K8V-XXX PACKAGE 101: 32 LEAD, CERAMIC SOJ ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES PACKAGE 220: 32 LEAD, CERAMIC FLAT PACK ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES 5 White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 WMS128K8V-XXX PACKAGE 300: 32 PIN, CERAMIC DIP, SINGLE CAVITY SIDE BRAZED ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 6 WMS128K8V-XXX PACKAGE 601: 32 PIN, RECTANGULAR CERAMIC LEADLESS CHIP CARRIER ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES 7 White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 WMS128K8V-XXX ORDERING INFORMATION W M S 128K8 V - XXX X X X LEAD FINISH: Blank = Gold plated leads A = Solder dip leads DEVICE GRADE: M = Military Screened I = Industrial C = Commercial PACKAGE: C = 32 Pin Ceramic .600" DIP (Package 300) CL = 32 Pin Rectangular Ceramic Leadless Chip Carrier (Package 601) DR = 32 Lead Ceramic SOJ (Package 101) Revolutionary FR = 32 Lead Ceramic Flat Pack (Package 220**) Revolutionary ACCESS TIME (ns) IMPROVEMENT MARK: Low Voltage Supply 3.3V 10% ORGANIZATION, 128K x 8 SRAM MONOLITHIC WHITE ELECTRONIC DESIGNS CORP. -55C to +125C -40C to +85C 0C to +70C ** Package under developement. White Electronic Designs Corporation * Phoenix, AZ * (602) 437-1520 8 |
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