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TC1276 Datasheet(PDF) 2 Page - Microchip Technology |
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TC1276 Datasheet(HTML) 2 Page - Microchip Technology |
2 / 12 page TC1275/TC1276/TC1277 DS21383B-page 2 © 2002 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* Supply Voltage (VCC to GND) .............................+6.0V RESET, RESET.......................... -0.3V to (VCC +0.3V) Input Current, VCC...............................................20mA Output Current, RESET, RESET .........................20mA Power Dissipation (TA ≤ 70°C) 3-Pin SOT-23B (derate 4mW/°C above +70°C) .................................................................230mW Operating Temperature Range............. -40°C to +85°C Storage Temperature Range .............. -65°C to +150°C *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC1275/TC1276/TC1277 ELECTRICAL SPECIFICATIONS Recommended DC Operating Conditions: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C. Symbol Parameter Min Typ Max Units Device Test Conditions VCC Supply Voltage 1.2 1.8 — — 5.5 5.5 V TC1275, TC1276 TC1277 Note 1 DC Electrical Characteristics: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C. Symbol Parameter Min Typ Max Units Test Conditions VOH Output Voltage @ 0-500 µAVCC –0.5V VCC – 0.1V — V TC1275, TC1277 Note 1 IOH Output Current @ 2.4 Volts VCC =5V VCC =2.7V — — 13 1.3 — — mA TC1275 TC1277 Note 2 IOL Output Current @ 0.4 Volts +10 30 — mA Note 2, Note 5 ICC Operating Current VCC <5.5V VCCTP <VCC <5.5V VCC <VCCTP — — — 20 20 350 35 35 700 µA TC1275, TC1277 TC1276 TC1276 Note 3 Note 3 Note 3 VCCTP-5 VCC Trip Point (TC1275/6/7-5) 2.98 3.06 3.15 V Note 1 VCCTP-10 VCC Trip Point (TC1275/6/7-10) 2.80 2.88 2.97 V Note 1 VCCTP-20 VCC Trip Point (TC1275/6/7-20) 2.47 2.55 2.64 V Note 1 COUT Output Capacitance — 9 — pF RP Internal Pull-Up Resistor 3.0 6.0 9.0 k Ω TC1276 AC Electrical Characteristics: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C. Symbol Parameter Min Typ Max Units Test Conditions tRST RESET Active Time 100 200 300 msec tRPD1 VCC Detect to RESET —20 50 µsec TC1275, TC1276 VCC(LOW) = 1V, Figure 3-2 tRPD2 VCC Detect to RESET — 20 50 µsec TC1277 VCC(LOW) = 1V, Figure 3-4 tF VCC Slew Rate (VCCTP(MAX) to VCCTP(MIN)) 300 — — µsec Figure 3-2, Figure 3-4 tR VCC Slew Rate (VCCTP(MIN) to VCCTP(MAX)) 0 — — nsec Figure 3-1, Figure 3-3 tRPU1 VCC Detect to RESET 100 200 300 msec TC1275, TC1276 Note 4, Figure 3-1 tRPU2 VCC Detect to RESET 100 200 300 msec TC1277 Note 4, Figure 3-3 Note 1: All voltages referenced to ground. 2: Measured with VCC ≥ 2.7 volts. 3: Measured with RESET output open for TC1275/TC1276; measured with RESET output open for TC1277. 4: tR =5µsec. 5: A1k Ω external resistor may be required in some applications for proper operation of the microprocessor reset control circuit when using the TC1276. |
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Similar Description - TC1276 |
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