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COP888CL Datasheet(PDF) 7 Page - Texas Instruments |
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COP888CL Datasheet(HTML) 7 Page - Texas Instruments |
7 / 42 page DC Electrical Characteristics (Continued) COP98XCL: 0˚C ≤ T A ≤ + 70˚C unless otherwise specified. Parameter Conditions Min Typ Max Units Maximum Input Current T A = 25˚C ±100 mA without Latchup (Note 6) RAM Retention Voltage, V r 500 ns Rise 2 V and Fall Time (Min) Input Capacitance 7pF Load Capacitance on D2 1000 pF Note 3: Rate of voltage change must be less then 0.5 V/ms. Note 4: Supply current is measured after running 2000 cycles with a square wave CKI input, CKO open, inputs at rails and outputs open. Note 5: The HALT mode will stop CKI from oscillating in the RC and the Crystal configurations. Test conditions: All inputs tied to VCC, L and G0–G5 configured as outputs and set high. The D port set to zero. The clock monitor is disabled. AC Electrical Characteristics 0˚C ≤ T A ≤ + 70˚C unless otherwise specified. Parameter Conditions Min Typ Max Units Instruction Cycle Time (t c) Crystal or Resonator 4V ≤ V CC ≤ 6V 1 DC µs 2.5V ≤ V CC < 4V 2.5 DC µs R/C Oscillator 4V ≤ V CC ≤ 6V 3 DC µs 2.5V ≤ V CC < 4V 7.5 DC µs Inputs t SETUP 4V ≤ V CC ≤ 6V 200 ns 2.5V ≤ V CC < 4V 500 ns t HOLD 4V ≤ V CC ≤ 6V 60 ns 2.5V ≤ V CC < 4V 150 ns Output Propagation Delay (Note 7) R L = 2.2k, CL = 100 pF t PD1,tPD0 SO, SK 4V ≤ V CC ≤ 6V 0.7 µs 2.5V ≤ V CC < 4V 1.75 µs All Others 4V ≤ V CC ≤ 6V 1 µs 2.5V ≤ V CC < 4V 2.5 µs MICROWIRE™ Setup Time (t UWS)20 ns MICROWIRE Hold Time (t UWH)56 ns MICROWIRE Output Propagation Delay (t UPD) 220 ns Input Pulse Width Interrupt Input High Time 1 t c Interrupt Input Low Time 1 t c Timer Input High Time 1 t c Timer Input Low Time 1 t c Reset Pulse Width 1 µs Note 6: Pins G6 and RESET are designed with a high voltage input network for factory testing. These pins allow input voltages greater than VCC and the pins will have sink current to VCCwhen biased at voltages greater than VCC (the pins do not have source current when biased at a voltage below VCC). The effective resistance to VCC is 750Ω (typical). These two pins will not latch up. The voltage at the pins must be limited to less than 14V. Note 7: The output propagation delay is referenced to the end of the instruction cycle where the output change occurs. www.national.com 6 |
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