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MIC2774 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2774 Datasheet(HTML) 3 Page - Micrel Semiconductor |
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3 / 8 page  October 2005 3 M9999-102605 MIC2774 Micrel Absolute Maximum Ratings (Note 1) Supply Voltage (VDD).......................................–0.3V to +7V Input Voltages (VIN, V/MR) ...............................–0.3V to +7V Output Voltages (V/RST, VRST).........................–0.3V to +7V RST, (/RST) Current ................................................... 20mA Storage Temperature (TS) ........................ –65°C to +150°C ESD Rating, Note 3.................................................... 1.5kV Operating Ratings (Note 2) Supply Voltage (VDD) .................................. +1.5V to +5.5V Input Voltages (VIN, V/MR) ............................–0.3V to +6.0V Output Voltages V/RST (N version), ....................................–0.3V to +6.0V V/RST, VRST (H and L versions)..........–0.3V to VDD+0.3V Ambient Temperature Range (TA Ambient Temperature Range (T Ambient Temperature Range (T ) .............. –40°C to +85°C Package Thermal Resistance (θJA).......................256°C/W Electrical Characteristics Note 5; TA ; T ; T = +25°C, A A bold values indicate –40°C ≤ TA values indicate –40°C ≤ T values indicate –40°C ≤ T ≤ +85°C; unless noted A A Symbol Parameter Condition Min Typ Max Units IDD Supply Current VDD = VIN = VTH +1.6%, 3.5 µA Note 5; /MR, RST, /RST open VDD VOLTAGE THRESHOLD Under-Voltage Threshold On VDD VTH–1.5% VTH VTH+1.5% V (See Standard Voltage Options Table) VHYST Hysteresis Voltage 1 % IN, UNDER-VOLTAGE DETECTOR INPUT VREF Under-Voltage Threshold Note 5 295 300 305 mV VHYST Hysteresis Voltage 3 mV IIN Input Current 5 pA TMIN ≤ TA ≤ T ≤ T ≤ TMAX 10 nA RST, /RST OUTPUTS tPROP Propagation Delay VIN = (VREF(MAX) + 100mV) to 20 µs VIN = (VREF(MIN) – 100mV), /MR = open; tRST Reset Pulse Width TMIN ≤ TA ≤ T ≤ T ≤ TMAX 140 280 ms VOL RST or /RST Output Voltage Low ISINK = 1.6mA; 0.3 V VDD ≥ 1.6V ISINK = 100µA; 0.3 V VDD ≥ 1.2V; Note 4 VOH RST or /RST Output Voltage High ISOURCE = 500µA; 0.8VDD V VDD ≥ 1.5V (H and L Version Only) ISOURCE = 10µA; 0.8VDD V VDD ≥ 1.2V; Note 4 /MR INPUTS VIH Input High Voltage Note 5 0.7VDD V VIL Input Low Voltage Note 5 0.3VDD V tPROP Propagation Delay V/MR < (VIL –100mV); Note 5 5 µs tMIN Minimum Input Pulse Width Reset Occurs, V/MR < VIL 33 ns IL IL IPU Internal Pull-up Current VIM = 0V 100 250 nA IIN Input Current, /MR V/MR < VIL 100 250 nA Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Note 4. VDD operating range is 1.5V to 5.5V. Output is guaranteed to be asserted down to VDD = 1.2V. Note 5. VDD equals nominal “Typical Application (VDD)” as shown in “Standard Voltage Options Table.” Under-Voltage Threshold On V Hysteresis Voltage 1 % Hysteresis Voltage 1 % V Hysteresis Voltage 1 % –1.5% V Hysteresis Voltage 1 % Hysteresis Voltage 1 % V Hysteresis Voltage 1 % Under-Voltage Threshold Hysteresis Voltage 3 mV Input Current 5 pA T Hysteresis Voltage 3 mV Input Current 5 pA T Hysteresis Voltage 3 mV Input Current 5 pA MAX 300 Hysteresis Voltage 3 mV Input Current 5 pA MAX Hysteresis Voltage 3 mV Input Current 5 pA Hysteresis Voltage 3 mV Input Current 5 pA Symbol Parameter Condition Min Typ Max Units Supply Current V Note 5 Symbol Parameter Condition Min Typ Max Units Supply Current V Note 5 Symbol Parameter Condition Min Typ Max Units +1.6%, 3.5 Symbol Parameter Condition Min Typ Max Units +1.6%, 3.5 Symbol Parameter Condition Min Typ Max Units Symbol Parameter Condition Min Typ Max Units Propagation Delay V V Reset Pulse Width T RST or /RST Output Voltage Low I V I V RST or /RST Output Voltage High I V (H and L Version Only) I V Propagation Delay V V Reset Pulse Width T RST or /RST Output Voltage Low I V I V RST or /RST Output Voltage High I V (H and L Version Only) I V + 100mV) to 20 µs = 1.6mA; ≥ 1.6V = 100µA; + 100mV) to 20 µs 140 280 = 1.6mA; ≥ 1.6V = 100µA; + 100mV) to 20 µs 140 280 + 100mV) to 20 µs Input High Voltage Input Low Voltage Propagation Delay V Minimum Input Pulse Width Reset Occurs, V Internal Pull-up Current V Input Current, /MR V Propagation Delay V Minimum Input Pulse Width Reset Occurs, V Internal Pull-up Current V Input Current, /MR V 5 33 ns = 0V 100 100 5 33 ns = 0V 100 100 33 ns 33 ns |
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