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TC1271TERCTR 数据表(PDF) 2 Page - Microchip Technology |
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TC1271TERCTR 数据表(HTML) 2 Page - Microchip Technology |
2 / 14 page TC1270/TC1271 DS21381D-page 2 © 2007 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..............................................20 mA Output Current, RESET, Reset...........................20 mA 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. 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. Unless otherwise noted, TA = -40°C to +85°C. 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 15 µA VCC > VTH, for L/M/R/S/T/F —10 15 µA VCC < VTH, for L/M/R/S/T —6 12 µA VCC < VTH, for F VTH Reset Threshold 4.54 4.50 4.63 — 4.72 4.75 V V TC127_L; TA = +25°C TA = -40°C to +85°C 4.30 4.25 4.38 — 4.46 4.50 V V TC127_M; TA = +25°C TA = -40°C to +85°C 3.03 3.00 3.08 — 3.14 3.15 V V TC127_T; TA = +25°C TA = -40°C to +85°C 2.88 2.85 2.93 — 2.98 3.00 V V TC127_S; TA = +25°C TA = -40°C to +85°C 2.58 2.55 2.63 — 2.68 2.70 V V TC127_R; TA = +25°C TA = -40°C to +85°C 1.71 1.70 1.75 — 1.79 1.80 V V TC127_F; TA = +25°C TA = -40°C to +85°C Reset Threshold Tempco — 30 — ppm/°C VCC to Reset Delay — — 20 5 — — µs VCC = VTH to VTH – 125 mV; L/M/R/S/T/F tRP Reset Active Time-out Period 140 280 560 ms VCC = VTH(MAX) tMR MR Minimum Pulse Width 10 — — µs MR Glitch Immunity — 0.1 — µs tMD MR to Reset Propagation Delay — 0.5 — µs VIH MR Input Threshold 2.3 — — V VCC > VTH(MAX), TC127_L/M 0.7 VCC —— V VCC > VTH(MAX), TC127_R/S/T/F VIL —— 0.8 V VCC > VTH(MAX), TC127_L/M — — 0.15 VCC V VCC > VTH(MAX), TC127_R/S/T/F MR Pull-up Resistance 10 20 40 k Ω VOH Reset Output Voltage High (TC1271) 0.8 VCC —— V ISOURCE = 150 µA; VCC ≤ VTH(MIN) Note 1: Production testing done at TA = +25°C, over temperature limits ensured by design. 2: RESET output for TC1270, Reset output for TC1271. |
类似零件编号 - TC1271TERCTR |
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类似说明 - TC1271TERCTR |
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