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MIC2774H-XXBM5 Datasheet(PDF) 3 Page - Micrel Semiconductor |
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MIC2774H-XXBM5 Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 8 page September 29, 2000 3 MIC2774 MIC2774 Micrel Absolute Maximum Ratings (Note 1) Supply Voltage (V DD) ..................................... –0.3V to +7V Input Voltages (V IN, V/MR) .............................. –0.3V to +7V Output Voltages (V /RST, VRST) ....................... –0.3V to +7V RST, (/RST) Current .................................................. 20mA Storage Temperature (T S) ....................... –65°C to +150°C ESD Rating, Note 3 ................................................... 1.5kV Operating Ratings (Note 2) Supply Voltage (V DD) .................................. +1.5V to +5.5V Input Voltages (V IN, 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 (T A) ............. –40°C to +85°C Package Thermal Resistance ( θ JA) ...................... 256°C/W Electrical Characteristics Note 5; T A = +25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted Symbol Parameter Condition Min Typ Max Units I DD Supply Current V DD = VIN = VTH +1.6%, 3.5 µA Note 5; /MR, RST, /RST open VDD VOLTAGE THRESHOLD Under-Voltage Threshold On V DD V TH–1.5% V TH V TH+1.5% V (See Standard Voltage Options Table) V HYST Hysteresis Voltage 1% IN, UNDER-VOLTAGE DETECTOR INPUT V REF Under-Voltage Threshold Note 5 295 300 305 mV V HYST Hysteresis Voltage 3mV I IN Input Current 5pA T MIN ≤ TA ≤ TMAX 10 nA RST, /RST OUTPUTS t PROP Propagation Delay V IN = (VREF(MAX) + 100mV) to 20 µs V IN = (VREF(MIN) – 100mV), /MR = open; t RST Reset Pulse Width T MIN ≤ TA ≤ TMAX 140 280 ms V OL RST or /RST Output Voltage Low I SINK = 1.6mA; 0.3 V V DD ≥ 1.6V I SINK = 100µA; 0.3 V V DD ≥ 1.2V; Note 4 V OH RST or /RST Output Voltage High I SOURCE = 500µA; 0.8V DD V V DD ≥ 1.5V (H and L Version Only) I SOURCE = 10µA; 0.8V DD V V DD ≥ 1.2V; Note 4 /MR INPUTS V IH Input High Voltage Note 5 0.7V DD V V IL Input Low Voltage Note 5 0.3V DD V t PROP Propagation Delay V /MR < (VIL –100mV); Note 5 5 µs t MIN Minimum Input Pulse Width Reset Occurs, V /MR < VIL 33 ns I PU Internal Pull-up Current 100 nA I IN Input Current, /MR V /MR < VIL 100 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. V DD operating range is 1.5V to 5.5V. Output is guaranteed to be asserted down to VDD = 1.2V. Note 5. V DD equals nominal “Typical Application (VDD)” as shown in “Standard Voltage Options Table.” |
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