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TC1270MERC Datasheet(PDF) 2 Page - Microchip Technology |
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TC1270MERC Datasheet(HTML) 2 Page - Microchip Technology |
2 / 12 page TC1270/TC1271 DS21381B-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 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. TC1270/TC1271 ELECTRICAL SPECIFICATIONS Electrical Characteristics: VCC = 5V for L/M versions, VCC = 3.3V for T/S versions, VCC = 3V for R version, VCC =2.0V for F version. TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C.(Note 1). Symbol Parameter Min Typ Max Units Test Conditions VCC VCC Range 1.2 — 5.5 V ICC Supply Current — — — 7 10 6 15 15 12 µAV CC >VTH, for L/M/R/S/T/F VCC <VTH, for L/M/R/S/T VCC <VTH,for F VTH Reset Threshold 4.54 4.50 4.30 4.25 3.03 3.00 2.88 2.85 2.58 2.55 1.71 1.70 4.63 — 4.38 — 3.08 — 2.93 — 2.63 — 1.75 — 4.72 4.75 4.46 4.50 3.14 3.15 2.98 3.00 2.68 2.70 1.79 1.80 V TC127_L; TA =+25°C TA = -40°C to +85°C TC127_M; TA =+25°C TA = -40°C to +85°C TC127_T; TA =+25°C TA = -40°C to +85°C TC127_S; TA =+25°C TA = -40°C to +85°C TC127_R; TA =+25°C TA = -40°C to +85°C TC127_F; TA =+25°C TA = -40°C to +85°C Reset Threshold Tempco — 30 — ppm/°C VCC to Reset Delay — — 20 5 — — µsec VCC =VTH to VTH – 125mV; L/M/R/S/T/F tRP Reset Active Timeout Period 140 280 560 msec VCC =VTH(MAX) tMR MR Minimum Pulse Width 10 — — µsec MR Glitch Immunity — 0.1 — µsec tMD MR to Reset Propagation Delay — 0.5 — µsec VIH VIL MR Input Threshold 2.3 — — — — 0.8 VVCC >VTH(MAX), TC127_L/M VIH VIL 0.7 VCC — — — — 0.15 VCC VVCC >VTH(MAX), TC127_R/S/T/F MR Pull-up Resistance 10 20 40 k Ω Note 1: Production testing done at TA = +25°C, over temperature limits ensured by design. 2: RESET output for TC1270, RESET output for TC1271. |
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