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AT89C1051U-12PA Datasheet(PDF) 9 Page - ATMEL Corporation |
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AT89C1051U-12PA Datasheet(HTML) 9 Page - ATMEL Corporation |
9 / 14 page AT89C1051U 9 Notes: 1. Under steady state (non-transient) conditions, I OL must be externally limited as follows: Maximum I OL per port pin: 20 mA Maximum total I OL for all output pins: 80 mA If I OL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions. 2. Minimum V CC for Power Down is 2V. Absolute Maximum Ratings* Operating Temperature ................................. -55 °C to +125°C *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond 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. Storage Temperature ..................................... -65 °C to +150°C Voltage on Any Pin with Respect to Ground .....................................-1.0V to +7.0V Maximum Operating Voltage............................................. 6.6V DC Output Current...................................................... 25.0 mA DC Characteristics T A = -40°C to 85°C, VCC = 2.7V to 6.0V (unless otherwise noted) Symbol Parameter Condition Min Max Units V IL Input Low Voltage -0.5 0.2 V CC - 0.1 V V IH Input High Voltage (Except XTAL1, RST) 0.2 V CC + 0.9 V CC + 0.5 V V IH1 Input High Voltage (XTAL1, RST) 0.7 V CC V CC + 0.5 V V OL Output Low Voltage(1) (Ports 1, 3) I OL = 20 mA, VCC = 5V I OL = 10 mA, VCC = 2.7V 0.5 V V OH Output High Voltage (Ports 1, 3) I OH = -80 µA, VCC = 5V ± 10% 2.4 V I OH = -30 µA 0.75 V CC V I OH = -12 µA 0.9 V CC V I IL Logical 0 Input Current (Ports 1, 3) V IN = 0.45V -50 µA I TL Logical 1 to 0 Transition Current (Ports 1, 3) V IN = 2V, VCC = 5V ± 10% -750 µA I LI Input Leakage Current (Port P1.0, P1.1) 0 < V IN < VCC ±10 µA V OS Comparator Input Offset Voltage V CC = 5V 20 mV V CM Comparator Input Common Mode Voltage 0V CC V RRST Reset Pulldown Resistor 50 300 K Ω C IO Pin Capacitance Test Freq. = 1 MHz, T A = 25°C10 pF I CC Power Supply Current Active Mode, 12 MHz, V CC = 6V/3V 15/5.5 mA Idle Mode, 12 MHz, V CC = 6V/3V P1.0 & P1.1 = 0V or V CC 5/1 mA Power Down Mode(2) V CC = 6V P1.0 & P1.1 = 0V or VCC 100 µA V CC = 3V P1.0 & P1.1 = 0V or VCC 20 µA |
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