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2 / 12 page STK12C68 July 1999 4-42 ABSOLUTE MAXIMUM RATINGSa Voltage on Input Relative to VSS . . . . . . . . . .–0.6V to (VCC + 0.5V) Voltage on DQ0-7 or HSB . . . . . . . . . . . . . . . .–0.5V to (VCC + 0.5V) Temperature under Bias. . . . . . . . . . . . . . . . . . . . . .–55 °C to 125°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .–65 °C to 150°C Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W DC Output Current (1 output at a time, 1s duration) . . . . . . . 15mA Note a: Stresses greater than 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 con- ditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rat- ing conditions for extended periods may affect reliability. DC CHARACTERISTICS (VCC = 5.0V ± 10%) b, f Note b: The STK12C68-20 requires VCC = 5.0V ± 5% supply to operate at specified speed. Note c: ICC 1 and ICC 3 are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded. Note d: ICC 2 and ICC 4 are the average currents required for the duration of the respective STORE cycles (tSTORE ). Note e: E ≥ V IH will not produce standby current levels until any nonvolatile cycle in progress has timed out. Note f: VCC reference levels throughout this datasheet refer to VCCX if that is where the power supply connection is made, or VCAP if VCCX is con- nected to ground. AC TEST CONDITIONS CAPACITANCEg (TA = 25°C, f = 1.0MHz) Note g: These parameters are guaranteed but not tested. SYMBOL PARAMETER COMMERCIAL INDUSTRIAL UNITS NOTES MIN MAX MIN MAX ICC 1 c Average VCC Current 100 90 75 65 N/A 90 75 65 mA mA mA mA tAVAV = 20ns tAVAV = 25ns tAVAV = 35ns tAVAV = 45ns ICC 2 d Average VCC Current during STORE 3 3 mA All Inputs Don’t Care, VCC = max ICC 3 c Average VCC Current at tAVAV = 200ns 5V, 25°C, Typical 10 10 mA W ≥ (V CC– 0.2V) All Others Cycling, CMOS Levels ICC 4 d Average VCAP Current during AutoStore™ Cycle 22 mA All Inputs Don’t Care ISB 1 e Average VCC Current (Standby, Cycling TTL Input Levels) 32 27 23 20 N/A 28 24 21 mA mA mA mA tAVAV = 20ns, E ≥ VIH tAVAV = 25ns, E ≥ VIH tAVAV = 35ns, E ≥ VIH tAVAV = 45ns, E ≥ VIH ISB 2 e VCC Standby Current (Standby, Stable CMOS Input Levels) 1.5 1.5 mA E ≥ (V CC – 0.2V) All Others VIN ≤ 0.2V or ≥ (VCC – 0.2V) IILK Input Leakage Current ±1 ±1 µA VCC = max VIN = VSS to VCC IOLK Off-State Output Leakage Current ±5 ±5 µA VCC = max VIN = VSS to VCC, E or G ≥ VIH VIH Input Logic “1” Voltage 2.2 VCC + .5 2.2 VCC + .5 V All Inputs VIL Input Logic “0” Voltage VSS – .5 0.8 VSS – .5 0.8 V All Inputs VOH Output Logic “1” Voltage 2.4 2.4 V IOUT =– 4mA except HSB VOL Output Logic “0” Voltage 0.4 0.4 V IOUT = 8mA except HSB VBL Logic “0” Voltage on HSB Output 0.4 0.4 V IOUT = 3mA TA Operating Temperature 0 70 – 40 85 °C Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 3V Input Rise and Fall Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤ 5ns Input and Output Timing Reference Levels . . . . . . . . . . . . . . . 1.5V Output Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Figure 1 SYMBOL PARAMETER MAX UNITS CONDITIONS CIN Input Capacitance 8 pF ∆V = 0 to 3V COUT Output Capacitance 7 pF ∆V = 0 to 3V Figure 1 : AC Output Loading 480 Ohms 30 pF 255 Ohms 5.0V INCLUDING SCOPE AND OUTPUT FIXTURE |
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