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TC1270ARCVRCTR データシート(PDF) 3 Page - Microchip Technology |
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TC1270ARCVRCTR データシート(HTML) 3 Page - Microchip Technology |
3 / 40 page © 2007 Microchip Technology Inc. DS22035B-page 3 TC1270A/70AN/71A Reset Threshold Tempco — ±30 — ppm/°C Reset Trip Point Hysteresis (4) VHYS — 0.3 — % Percentage of VTRIP Voltage MR Input High Threshold VIH 2.3 — — V VDD > VTRIP(MAX), L/M only 0.7 VDD —— V VDD > VTRIP(MAX), R/S/T only MR Input Low Threshold VIL —— 0.8 V VDD > VTRIP(MAX), L/M only — — 0.25 VDD VVDD > VTRIP(MAX), R/S/T only MR Pull-up Resistance 10 18.5 40 k Ω Open-Drain High Voltage on Output VODH — — 13.5 V Open-Drain Output pin only. VDD = 3.0V, Time voltage > 5.5 applied ≤ 100s. Current into pin limited to 2 mA +25°C operation recommended (Note 6) Reset Output Voltage Low (2) TC1270A/ TC1270AN VOL — — 0.3 V R/S/T only, ISINK = 1.2 mA, VDD = VTRIP(MIN) TC1271A — — 0.3 V R/S/T only, ISINK = 1.2 mA, VDD = VTRIP(MAX) TC1270A/ TC1270AN — — 0.4 V L/M only, ISINK = 3.2 mA, VDD = VTRIP(MIN) TC1271A — — 0.3 V L/M only, ISINK = 3.2 mA, VDD = VTRIP(MAX) TC1270A/ TC1270AN — — 0.3 V L/M only, ISINK = 50 µA, VDD > 1.0V Reset Output Voltage High (2) TC1270A VOH 0.8 VDD — — V R/S/T only, ISOURCE = 500 µA, VDD = VTRIP(MAX) TC1270A VDD - 1.5 — — V L/M only, ISOURCE = 800 µA, VDD = VTRIP(MAX) TC1271A 0.8 V DD —— V ISOURCE = 500 µA, VDD ≤ VTRIP(MIN) Input Leakage Current IIL —— ±1 µA VPIN = VDD Open-Drain RST Output Leakage IOLOD — — 1 µA Open-Drain configuration only. Capacitive Loading Specification on Output Pins CIO — — 50 pF ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Characteristics: Unless otherwise noted, VDD = 5V for L/M versions, VDD = 3.3V for T/S versions, VDD = 3V for R version, TA = -40°C to +125°C. Typical values are at TA = +25°C. Parameter Sym Min Typ(1) Max Units Test Conditions Note 1: Data in the Typical (“Typ”) column is at 5V, +25 °C, unless otherwise stated. 2: RST output for TC1270A, and TC1270AN, RST output for TC1271A. 3: TC127XA refers to either the TC1270A, TC1270AN or TC1271A device. 4: Hysteresis is within the VTRIP(MIN) to VTRIP(MAX) window. 5: Custom ordered Voltage Trip Point. Minimum order volume requirement. 6: This specification allows this device to be used in PIC® microcontroller applications that require the In-Circuit Serial Programming™ (ICSP™) feature (see device-specific programming specifications for voltage requirements). The total time that the RST pin can be above the maximum device operational voltage (5.5V) is 100s. Current into the RST pin should be limited to 2 mA. It is recommended that the device operational temperature be maintained between 0°C to +70°C (+25°C preferred). For additional information, refer to Figure 2-41. |
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