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SC28L202 Datasheet(PDF) 62 Page - NXP Semiconductors |
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SC28L202 Datasheet(HTML) 62 Page - NXP Semiconductors |
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62 / 77 page  Philips Semiconductors Objective specification SC28L202 Dual UART 2000 Feb 10 56 DC ELECTRICAL CHARACTERISTICS123 (NOMINAL 5 VOLTS) Vcc = 5v ± 10% Ta = – 40 to +85 _C unless otherwise specified LIMITS UNIT SYMBOL PARAMETER TEST CONDITIONS Min Typ Max VIL Input low voltage 1.2 0.8 V VIH VIH Input high voltage (except X1/CLK) –40 to +85 _C 2.4 1.5 V VIH Input high voltage (X1/CLK) 0.8*Vcc 2.4 V VOL Output low voltage IOL = 4 ma 0.2 0.4 V VOH Output high voltage (except OD outputs)4 IOH = –400 ua Vcc – 0.5 v IIX1PD X1/CLK input current – power down VIN = 0 to VCC 0.5 0.05 0.5 µA IILX1 X1/CLK input low current – operating VIN = 0 –130 0 µA IIHX1 X1/CLK input high current – operating VIN = VCC 0 130 µA Input leakage current: Ii Input leakage current: All exceptinput port pins Input port pins5 VIN = 0 to VCC –0.5 0.05 +0.5 µA All exce t in ut ort ins In ut ort ins VIN = 0 to VCC –8 0.05 +0.5 µA IOZH Output off current high, 3–State data bus VIN = VCC 0.5 µA IOZL Output off current low, 3–State data bus VIN = 0V –0.5 µA IODL Open–drain output low current in off–state VIN = 0 –0.5 µA IODH Open–drain output high current in off–state VIN = VCC 0.5 µA Power supply current:6 ICC Operating mode CMOS input levels 25 ma Power down mode7 CMOS input levels ≤1 5 µa NOTES: 1. Parameters are valid over specified temperature range. 2. All voltage measurements are referenced to ground (GND). For testing, all inputs swing between 0.4V and 3.0V with a transition time of 5 ns maximum. For X1/CLK this swing is between 0.4V and 4.4V. All time measurements are referenced at input voltages of 0.8V and 2.0V and output voltages of 0.8V and 2.0V, as appropriate. 3. Typical values are at +25 _C, typical supply voltages, and typical processing parameters. 4. Test conditions for outputs: CL = 150 pF, except interrupt outputs. Test conditions for interrupt outputs: CL = 50 pF, RL = 2.7K ohm to VCC. 5. Input port pins have active pull up transistors that will source a typical 2 µA from Vcc when the input pins are at Vss. Input port pins at VCC source 0.0 µA 6. All outputs are disconnected. Inputs are switching between CMOS levels of VCC –0.2V and VSS + 0.2V. 7. See UART application note for power down currents of 10 ua or less. |
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